[02:16:37] Roland Brian leaves the room [02:41:33] EX1811_DIVE07 ROV powered off [10:06:06] iscwatch2 leaves the room [10:49:07] We are on station and planning for an on-time ROV deployment. The pre-dive call will be at 8:30 AST. Today's dive will explore seafloor communities inside the La Parguera Natural Reserve at depths between 900-1100 m. We expect to be on the bottom ~~9:00 AST. [11:30:42] danielwagner leaves the room [11:34:22] EX1811_DIVE07 ROV powered off [12:12:55] EX1811_DIVE08 ROV Launch [12:13:38] iscwatch2 leaves the room [12:21:14] EX1811_DIVE08 ROV on Surface [12:22:10] EX1811_DIVE08 ROV Descending [12:23:21] LAT : 17.851454 , LON : -67.057103 , DEPTH : 16.7526 m, TEMP : 28.58829 C, SAL : 1999.0 PSU, DO : -72.11031 mg/l [12:28:22] LAT : 17.851582 , LON : -67.056783 , DEPTH : 63.1405 m, TEMP : 27.30473 C, SAL : 36.62512 PSU, DO : 5.93447 mg/l [12:33:22] LAT : 17.851819 , LON : -67.05577 , DEPTH : 210.3487 m, TEMP : 20.34443 C, SAL : 36.82119 PSU, DO : 5.48086 mg/l [12:37:18] taraluke leaves the room [12:38:23] LAT : 17.851858 , LON : -67.055672 , DEPTH : 364.1632 m, TEMP : 16.0638 C, SAL : 36.1775 PSU, DO : 4.84656 mg/l [12:43:23] LAT : 17.851897 , LON : -67.055653 , DEPTH : 514.4333 m, TEMP : 12.47919 C, SAL : 35.5409 PSU, DO : 3.89675 mg/l [12:43:53] staceywilliams leaves the room [12:48:24] LAT : 17.851863 , LON : -67.055621 , DEPTH : 665.0812 m, TEMP : 9.09174 C, SAL : 35.08249 PSU, DO : 3.85185 mg/l [12:53:24] LAT : 17.851844 , LON : -67.055763 , DEPTH : 818.9551 m, TEMP : 6.69358 C, SAL : 34.86711 PSU, DO : 4.2862 mg/l [12:58:25] LAT : 17.851891 , LON : -67.055791 , DEPTH : 974.0157 m, TEMP : 5.86128 C, SAL : 34.90858 PSU, DO : 5.01592 mg/l [12:59:07] For those folks that have been having issues with video streaming, most of these issues are due to a recent update of the Flash Player software. The following reference should provide guidance on how to solve the problem: https://enableflashplayer.com/ [13:02:28] bottom in sight [13:03:25] LAT : 17.851826 , LON : -67.055687 , DEPTH : 1100.04 m, TEMP : 4.94169 C, SAL : 34.95357 PSU, DO : 5.95311 mg/l [13:04:18] EX1811_DIVE08 ROV on Bottom [13:08:26] LAT : 17.85205 , LON : -67.055257 , DEPTH : 1101.4084 m, TEMP : 4.97922 C, SAL : 34.95187 PSU, DO : 5.90428 mg/l [13:13:26] LAT : 17.852065 , LON : -67.055168 , DEPTH : 1096.5132 m, TEMP : 4.98854 C, SAL : 34.95101 PSU, DO : 5.89783 mg/l [13:17:09] mashkoormalik leaves the room [13:18:27] LAT : 17.852087 , LON : -67.055116 , DEPTH : 1092.1507 m, TEMP : 4.99557 C, SAL : 34.95218 PSU, DO : 5.89469 mg/l [13:22:35] michellescharer leaves the room [13:23:27] LAT : 17.852031 , LON : -67.054968 , DEPTH : 1087.4291 m, TEMP : 5.03957 C, SAL : 34.9501 PSU, DO : 5.85508 mg/l [13:28:28] LAT : 17.852111 , LON : -67.054891 , DEPTH : 1080.2373 m, TEMP : 5.07245 C, SAL : 34.94885 PSU, DO : 5.81942 mg/l [13:33:28] LAT : 17.852156 , LON : -67.0548 , DEPTH : 1074.4942 m, TEMP : 5.10629 C, SAL : 34.94723 PSU, DO : 5.79346 mg/l [13:33:51] michellescharer leaves the room [13:36:22] Halosaur [13:38:11] Looks like a burrow~~ [13:38:29] LAT : 17.852143 , LON : -67.054797 , DEPTH : 1070.1823 m, TEMP : 5.20786 C, SAL : 34.94482 PSU, DO : 5.69772 mg/l [13:39:17] Partially collapsed [13:39:23] danielwagner leaves the room [13:42:27] michellescharer leaves the room [13:42:36] kevinrademacher leaves the room [13:43:29] LAT : 17.852145 , LON : -67.054566 , DEPTH : 1056.3585 m, TEMP : 5.4073 C, SAL : 34.93772 PSU, DO : 5.50332 mg/l [13:43:48] Monomitopus? (that fish) [13:44:01] 19th is last dive [13:45:49] @Daniel I was leaning more towards Dicrolene [13:46:42] @kevin, yes I was also looking at that [13:46:56] don't know those groups well though [13:47:15] Right, I see them only occasionally! [13:47:39] Roland Brian leaves the room [13:48:30] LAT : 17.852169 , LON : -67.054439 , DEPTH : 1047.9367 m, TEMP : 5.46697 C, SAL : 34.93467 PSU, DO : 5.44661 mg/l [13:49:01] Burrows seem to have a lot of debris in the mouth...maybe no longer active [13:53:30] LAT : 17.852191 , LON : -67.054405 , DEPTH : 1046.2769 m, TEMP : 5.46955 C, SAL : 34.93465 PSU, DO : 5.44993 mg/l [13:55:14] deimatidae sea cucumber [13:58:31] LAT : 17.85219 , LON : -67.054347 , DEPTH : 1044.5973 m, TEMP : 5.47068 C, SAL : 34.93489 PSU, DO : 5.45292 mg/l [13:59:28] Can they pan up for a closeup of the shrimp too? [14:00:00] cladorhizid sponge [14:01:07] Nematocarcinid shrimp... [14:02:53] michellescharer leaves the room [14:03:31] LAT : 17.852249 , LON : -67.05436 , DEPTH : 1042.2977 m, TEMP : 5.47428 C, SAL : 34.93377 PSU, DO : 5.43639 mg/l [14:04:23] Nice contrast in sizes there [14:06:36] scottfrance leaves the room [14:08:32] LAT : 17.852316 , LON : -67.05433 , DEPTH : 1040.0204 m, TEMP : 5.47804 C, SAL : 34.93443 PSU, DO : 5.42002 mg/l [14:13:32] LAT : 17.852405 , LON : -67.054194 , DEPTH : 1037.2 m, TEMP : 5.48889 C, SAL : 34.93186 PSU, DO : 5.41382 mg/l [14:18:33] LAT : 17.852405 , LON : -67.054094 , DEPTH : 1035.2824 m, TEMP : 5.50007 C, SAL : 34.93158 PSU, DO : 5.40235 mg/l [14:22:15] Flatworm eggs maybe? [14:23:33] LAT : 17.852418 , LON : -67.054028 , DEPTH : 1035.3584 m, TEMP : 5.52026 C, SAL : 34.92966 PSU, DO : 5.37096 mg/l [14:28:34] LAT : 17.852694 , LON : -67.054055 , DEPTH : 1028.2954 m, TEMP : 5.53738 C, SAL : 34.92868 PSU, DO : 5.36691 mg/l [14:33:34] LAT : 17.852843 , LON : -67.053933 , DEPTH : 1023.2677 m, TEMP : 5.5231 C, SAL : 34.93058 PSU, DO : 5.37128 mg/l [14:33:55] Bathypterois, tripod fish [14:35:39] danielwagner leaves the room [14:36:07] Ophidiform fish [14:37:15] Oh wow it does look like Toothless! [14:37:30] it sure does [14:37:42] Not letting us view it laterally! [14:38:35] LAT : 17.852886 , LON : -67.053893 , DEPTH : 1022.4967 m, TEMP : 5.51795 C, SAL : 34.92985 PSU, DO : 5.37963 mg/l [14:38:45] Wanting a lateral view of head & opercle [14:38:57] Gaza snail [14:39:39] Is it trying to angle away from the lights? [14:39:52] I think so! [14:41:09] Seems to have parasites [14:41:20] michellescharer leaves the room [14:43:35] LAT : 17.853027 , LON : -67.053854 , DEPTH : 1016.7165 m, TEMP : 5.55547 C, SAL : 34.92826 PSU, DO : 5.33708 mg/l [14:45:01] danielwagner leaves the room [14:46:46] Midwater dives on 11/10 and 11/17 [14:47:11] michellescharer leaves the room [14:48:36] LAT : 17.853137 , LON : -67.053744 , DEPTH : 1011.2156 m, TEMP : 5.55177 C, SAL : 34.92885 PSU, DO : 5.35213 mg/l [14:48:57] Bristlemouth [14:52:26] Bathytyphlops [14:52:49] MAy have misspelled [14:53:06] It is in Tripodfish family [14:53:22] Has reduced eyes [14:53:38] LAT : 17.853235 , LON : -67.053658 , DEPTH : 1006.0074 m, TEMP : 5.55531 C, SAL : 34.92877 PSU, DO : 5.33875 mg/l [14:55:23] Hello all [14:55:35] Hello asako [14:55:47] Aristid Shrimp [14:55:54] Cerataspis sp. shrimp [14:56:06] Hi Steve! [14:57:24] Neoscopelus [14:58:30] Neoscopelus=Blackchin [14:58:41] LAT : 17.853374 , LON : -67.053523 , DEPTH : 995.9365 m, TEMP : 5.6 C, SAL : 34.92657 PSU, DO : 5.28794 mg/l [15:03:37] LAT : 17.853461 , LON : -67.053504 , DEPTH : 990.9543 m, TEMP : 5.66164 C, SAL : 34.92101 PSU, DO : 5.22124 mg/l [15:04:32] michellescharer leaves the room [15:05:53] Very jelly dive today [15:08:07] nolanbarrett leaves the room [15:08:14] Piece of mangrove [15:08:38] LAT : 17.853576 , LON : -67.053339 , DEPTH : 983.0539 m, TEMP : 5.83419 C, SAL : 34.90935 PSU, DO : 5.03588 mg/l [15:10:18] Bathypterois bigelowi [15:11:56] wrong it is B. viridensis [15:13:38] LAT : 17.853724 , LON : -67.053328 , DEPTH : 972.5805 m, TEMP : 5.89657 C, SAL : 34.90755 PSU, DO : 4.973 mg/l [15:15:54] jaymesawbrey leaves the room [15:16:21] Please provide your annotations at: https://data.oceannetworks.ca/SeaTubeV2?resourceTypeId=1000&resourceId=23621&diveId=2120 [15:18:39] LAT : 17.853866 , LON : -67.05321 , DEPTH : 962.2998 m, TEMP : 5.98064 C, SAL : 34.90377 PSU, DO : 4.89685 mg/l [15:18:47] Most of the Ophidiform fish have pelvic fins that near the throat, are reduced to a few rays [15:20:02] Thanks kevin for the info! [15:20:15] is that a dicrolene that we are seeing? [15:20:55] I am not 100% sure, I am leaning towards it but have only seen a few in hand. [15:21:08] THere are othr genera that look similar! [15:23:39] LAT : 17.85408 , LON : -67.053082 , DEPTH : 949.6999 m, TEMP : 6.03404 C, SAL : 34.90168 PSU, DO : 4.84929 mg/l [15:24:23] ok thanks! [15:25:17] @Mash I am unable to have all 3 feeds open to make annotations. It works with video & chat, but when I open SeaTube the video starts buffering to the point I am of no use. [15:27:45] danielwagner leaves the room [15:28:40] LAT : 17.854182 , LON : -67.053003 , DEPTH : 943.1019 m, TEMP : 6.06834 C, SAL : 34.8986 PSU, DO : 4.82715 mg/l [15:29:55] The stalked crinoid with the purplish crown is Rouxicrinus vestitus (pronounced Roo-ih-cry-nus), described only recently (2010). [15:31:06] thanks charles! [15:31:59] Previously known from only the Bahamas, Barbados, and off Colombia. [15:33:40] LAT : 17.854239 , LON : -67.052993 , DEPTH : 939.9306 m, TEMP : 6.08101 C, SAL : 34.89827 PSU, DO : 4.80508 mg/l [15:38:41] LAT : 17.854384 , LON : -67.052842 , DEPTH : 929.4934 m, TEMP : 6.11735 C, SAL : 34.8954 PSU, DO : 4.76718 mg/l [15:41:04] danielwagner leaves the room [15:41:26] Mud star, Asteropectinidae [15:43:38] This was also the deepest record for the crinoid Rouxicrinus vestitus. The previous maximum was 887 m. [15:43:44] LAT : 17.854506 , LON : -67.052791 , DEPTH : 925.4696 m, TEMP : 6.149 C, SAL : 34.89342 PSU, DO : 4.73503 mg/l [15:48:42] LAT : 17.85468 , LON : -67.052705 , DEPTH : 917.9048 m, TEMP : 6.19269 C, SAL : 34.89099 PSU, DO : 4.70123 mg/l [15:49:01] staceywilliams leaves the room [15:50:18] kensulak leaves the room [15:50:30] cumacean in a water column a minute ago [15:53:42] LAT : 17.854758 , LON : -67.052613 , DEPTH : 914.3147 m, TEMP : 6.1962 C, SAL : 34.89088 PSU, DO : 4.69746 mg/l [15:55:19] skate [15:55:32] yes, not sure which one [15:56:41] Looks like spiines there on midline behind eyes [15:56:52] Got a few minutes to look at today's dive imagery. Really excellent job by pilot and camera person - super invert and fish closeups. Fishes seen: Gray ophidioid with large eye seen twice = Neobythites gilli; black tripodfish = Bathypterois phenax; strange jet black ophidioid drifting and sculling along sidewise on bottom = probably genus Benthocometes; Bathysaurus look-alike with embedded eyes = blind ipnopid Bathytyphlops marionae; Black and white banded tripodfish with fat parasitic copepod attached = Bathypterois viridensis; drifting dirty white halosaur = Aldrovandia affinis. Nice imagery. I do not think Benthocometes has ever been imaged before - if my ID guess is correct. Head, eyes, and pectoral fins are right, [15:57:12] Rajella purpuriventralis [15:57:29] the skate [15:58:43] LAT : 17.854702 , LON : -67.052436 , DEPTH : 912.3288 m, TEMP : 6.20411 C, SAL : 34.89071 PSU, DO : 4.68355 mg/l [16:00:06] Thanks Ken, that is very helpful! [16:01:22] taraluke leaves the room [16:03:08] mashkoormalik leaves the room [16:03:44] LAT : 17.854903 , LON : -67.052464 , DEPTH : 909.1728 m, TEMP : 6.21649 C, SAL : 34.88967 PSU, DO : 4.65848 mg/l [16:06:20] We are almost finished the proposed dive track, likely within the next 30mins we will be at WP3. Current plan is to push throguh the waypoint upslope more. [16:08:44] LAT : 17.854912 , LON : -67.052485 , DEPTH : 907.0307 m, TEMP : 6.23529 C, SAL : 34.88687 PSU, DO : 4.64723 mg/l [16:09:36] is that a chiton? [16:09:52] charlesmessing leaves the room [16:10:12] yes we saw a few today on another woodfall [16:10:53] @Steve Oh ok, cool! I must have missed that [16:11:59] hermit on crinoid- is that a common association? [16:12:55] I wonder how the chitons get to these woodfalls... [16:13:28] stars could be Xyloplax? [16:13:45] LAT : 17.854957 , LON : -67.052424 , DEPTH : 907.4759 m, TEMP : 6.21952 C, SAL : 34.88885 PSU, DO : 4.65876 mg/l [16:13:53] Has anyone suggested a collection of the wood? Looks rather long though... [16:14:12] No suggestions but I was thinking the same scott [16:14:26] Natural woodfalls are hard to come by, and I don't know what has been done in this area. [16:14:44] would have to clip it [16:14:52] Particularly a piece of wood where we can see there are organisms colonizing it. [16:15:05] @Scott Its probably brittle enough to crush it into manageable pieces with the claw [16:15:15] Yeah, don't know if it would break easily. [16:15:28] That woodfall would have a VERY nice diversity though... [16:15:34] @Nolan: I like your positive attitude! [16:15:44] It pretty much IS the diversity in this area :( [16:15:58] @Nolan" diversity AND a specialized community [16:16:09] @Scott Me too! [16:16:19] @Steve and @Scott Indeed! [16:17:08] Crossota hydromedusa [16:18:22] The featherstars on the wood belong in the now polyphyletic family Antedonidae. One I could see had long cirri with elongated segments--likely in the poorly understood genus Caryometra. [16:18:45] LAT : 17.854993 , LON : -67.052321 , DEPTH : 906.0676 m, TEMP : 6.24708 C, SAL : 34.88573 PSU, DO : 4.64614 mg/l [16:19:01] Looks like a Squalus spp. shark [16:21:31] Theoretically, if we were to collect a piece of this woodfall, how should it be preserved? What about the firmly attached associates? [16:22:04] Crinoids go into ethanol as well as whatever you are using for DNA/sequencing. [16:22:14] possibly Cuban dogfish. Just back and looking back at skate seen earlier: small species, very long tail, plain color pattern, very fine spine cover, no enlarged spines, no dark color markings = Fenestraja ishiyamai. Not previously images in situ to my knowledge [16:22:32] @Nolan: I think in ethanol, but I'll run down the hall to check. We have a grad student in the program working with Craig McClain whose dissertation focuses on woodfalls! [16:22:39] @Nolan I would imagine to pluck off the outside stuff and save it separately. Maybe split the wood and put in EtOH? [16:23:45] I wonder if we might be able to ID the tree spieces from the wood. [16:23:49] LAT : 17.854977 , LON : -67.052419 , DEPTH : 907.164 m, TEMP : 6.27702 C, SAL : 34.88448 PSU, DO : 4.61583 mg/l [16:24:36] charlesmessing leaves the room [16:24:45] OK - pretty sure from examining imagery that shark was Squalus cubensis. Dark fin markings look right [16:25:02] See if yiou can get the chiton included [16:25:17] That is what I thought too. S. cubensis [16:25:34] Off to a meeting [16:25:44] kevinrademacher leaves the room [16:25:52] bye [16:25:55] kensulak leaves the room [16:26:18] @Steve: did you see my comment about chiton? [16:26:31] yes will try to get at least a couple [16:26:48] Cool [16:28:46] LAT : 17.854948 , LON : -67.052434 , DEPTH : 907.4134 m, TEMP : 6.27251 C, SAL : 34.88375 PSU, DO : 4.59406 mg/l [16:29:24] Just spoke with River Dixoon, the grad student working on woodfalls. She says they typically try to pick the obvious fauna off and put in ethanol, and then bulk preserve the rest of the wood in ethanol for later detailed searching. [16:31:05] laurenwalling leaves the room [16:33:31] Incredible effort - awesome job. Kudos to Karl! [16:33:42] got a piece with the stuff we wanted [16:33:58] incl. crinoid [16:34:12] LAT : 17.854966 , LON : -67.052425 , DEPTH : 907.4552 m, TEMP : 6.28185 C, SAL : 34.8826 PSU, DO : 4.58954 mg/l [16:34:16] I'm surprised how tightly the crinoid and gastropod held on there. [16:34:29] There is also valuable stuff burrowed inside. [16:34:42] Awesome! Since we got it in half, maybe both pieces? [16:34:59] @Scott Its their home, they won't leave home for the middle of the desert that easily! [16:36:32] do we want the other half, if it fits? [16:36:43] I guess so? [16:37:27] @Steve I think that would be the best use of our efforts. [16:37:43] That would be valuable since we are already sitting here [16:37:49] *ROV team's efforts [16:37:55] So long as it fits easily. [16:38:12] I don't think we should spend time trying to cut it - this end is thicker [16:38:40] Ah well, thats okay. If we have to cut again, don't both. [16:38:47] LAT : 17.854992 , LON : -67.052417 , DEPTH : 907.5121 m, TEMP : 6.30339 C, SAL : 34.88216 PSU, DO : 4.56131 mg/l [16:38:55] *bother [16:39:03] Again: great job on that. I'm not aware of any wood fall collections from out here. [16:39:11] EX1811_D08_01B [16:39:27] Longitude, Latitude -67.052424, 17.854954 Depth (CTD) 907.4361 Salinity 34.88138 Temperature 6.29362 Oxygen 4.58287 [16:39:42] @Scott My optimism coming back, at least we got the one piece! And now we have information about collecting woodfalls in the future! [16:40:28] christianjones leaves the room [16:43:48] LAT : 17.855092 , LON : -67.052366 , DEPTH : 904.1677 m, TEMP : 6.30153 C, SAL : 34.88148 PSU, DO : 4.58153 mg/l [16:47:23] If you want some general info to share on wood falls, here are a couple of linkns: https://www.livescience.com/45027-wood-falls-teem-with-life.html and https://www.livescience.com/26203-deep-sea-wood.html [16:47:54] and https://www.nationalgeographic.com/science/phenomena/2013/11/25/second-world-form-on-sunken-trees/ [16:48:43] Mud stars have very pointy tube feet that allow them to both run across the surface of the sediment without sinking and allow them to dig themselves into the sediment. [16:48:57] LAT : 17.855171 , LON : -67.052303 , DEPTH : 900.0803 m, TEMP : 6.32662 C, SAL : 34.87943 PSU, DO : 4.56536 mg/l [16:49:08] @Scott Thanks! These will be interesting reads [16:49:54] Do I see a se pen? [16:50:11] Yup! [16:50:48] danielwagner leaves the room [16:51:04] This is different from the ones we've seen on previous dives [16:51:40] You can see polyps arise directly from main stalk [16:51:47] haliperid? Collect? [16:52:23] I'm up for collection if the timiing is right. i.e. how much time left on dive, likelihood of finding other interesting fauna. [16:52:46] we are done with our track. several hours left on bottom (~~4pm local) [16:53:27] Since this is the only coral we have seen and we have almost finished our waypoints... [16:53:46] Stand by. Only collection so far is the wood? [16:53:53] LAT : 17.855269 , LON : -67.052244 , DEPTH : 899.4394 m, TEMP : 6.32152 C, SAL : 34.88073 PSU, DO : 4.55887 mg/l [16:54:00] yes [16:54:10] didn't we see the similar sea pen in dive3? [16:54:26] Halipteris or Funiculina perhaps... [16:55:26] But I see no ridges at base of polyps, so perhaps Anthoptilum [16:56:38] jelly passed by [16:56:50] Does anthoptilum have an-in sediment peduncle? I've only ever seen it as a suction cup aka "rock pen" [16:57:04] @Steve: yes. [16:57:27] @Steve: most Anthoptilum described are in sediment dwellers. [16:57:28] megancromwell leaves the room [16:58:30] Here is a nice cheat sheet guide, although of NZ sea pens: https://fs.fish.govt.nz/Doc/23658/AEBR_132_2754_Sea%20pen%20guide%20June_2014WEB.pdf.ashx [16:58:49] LAT : 17.855248 , LON : -67.052295 , DEPTH : 899.4385 m, TEMP : 6.32959 C, SAL : 34.87982 PSU, DO : 4.52945 mg/l [16:59:04] thanks scott! [16:59:13] I'd go with field ID Anthoptilidae [16:59:50] jaymesawbrey leaves the room [17:00:52] upasanaganguly leaves the room [17:00:59] Timestamp (UTC) 20181108 17:00:08 Sample ID EX1811_D08_02B Sample Box SI Field ID Anthoptilidae Longitude, Latitude -67.052287, 17.855277 Depth (CTD) 899.3843 Salinity 34.87299 Temperature 6.33876 Oxygen 4.54158 [17:03:50] LAT : 17.855269 , LON : -67.052291 , DEPTH : 897.5877 m, TEMP : 6.39917 C, SAL : 34.87625 PSU, DO : 4.48707 mg/l [17:04:07] megancromwell leaves the room [17:08:50] LAT : 17.85531 , LON : -67.052206 , DEPTH : 898.8912 m, TEMP : 6.39589 C, SAL : 34.87723 PSU, DO : 4.48727 mg/l [17:13:51] LAT : 17.855334 , LON : -67.052135 , DEPTH : 897.8902 m, TEMP : 6.42946 C, SAL : 34.87474 PSU, DO : 4.47507 mg/l [17:13:54] jimmasterson leaves the room [17:14:07] staceywilliams leaves the room [17:16:24] Very metal squat lobster [17:16:57] Squat lobster possibly Munidopsis robusta [17:17:08] @Megan:-D [17:17:41] @Nolan haha [17:17:54] Must get good reception with those antennae [17:18:09] great comment megan! [17:18:22] @Megan You're making Scott France puns! I love em! [17:18:51] LAT : 17.855366 , LON : -67.052143 , DEPTH : 898.7361 m, TEMP : 6.45439 C, SAL : 34.87445 PSU, DO : 4.44606 mg/l [17:19:04] haha [17:20:13] danielwagner leaves the room [17:23:52] LAT : 17.855446 , LON : -67.052204 , DEPTH : 895.6545 m, TEMP : 6.47254 C, SAL : 34.87392 PSU, DO : 4.42251 mg/l [17:23:58] kevinrademacher leaves the room [17:25:07] chat-admin leaves the room: Replaced by new connection [17:27:44] The featherstar on the sediment appears to be in family Atelecrinidae. They use their long slender cirri to sit on the bottom--rather like a snowshoe effect. Atelecrinids have 10 arms and a short length of the base of the arms lacks the feather-like pinnule side branches. The arms of members of this family typically terminate in a long slender filament, but I could not see whether this specimen had this feature or not. [17:28:52] LAT : 17.855631 , LON : -67.051996 , DEPTH : 893.3502 m, TEMP : 6.49989 C, SAL : 34.87112 PSU, DO : 4.41247 mg/l [17:32:01] Phormosoma placenta? [17:33:53] LAT : 17.855712 , LON : -67.052065 , DEPTH : 892.3925 m, TEMP : 6.49687 C, SAL : 34.8729 PSU, DO : 4.41664 mg/l [17:35:21] SHould be hyalonematidae [17:36:56] Is it attached to the coconut? [17:37:25] A grab that picked up both the sponge and coral would be a great collection. [17:37:39] Or is that a large demosponge? [17:37:56] @nolan I think so [17:38:08] the whole thing? [17:38:19] @Scott That would be good. If it is Geodia, it would be an ASPIRE collection [17:38:27] @scott [17:38:37] I think I may have seen another chiton on a dead branch of the coral [on left] [17:38:43] It looks small enough to scoop up the whole pile [17:39:01] @Steve if the sponge fits. But I don't know how easy it will be to remove a piece [17:39:14] LAT : 17.855849 , LON : -67.05197 , DEPTH : 890.7683 m, TEMP : 6.52939 C, SAL : 34.87078 PSU, DO : 4.37441 mg/l [17:39:34] upasanaganguly leaves the room [17:43:54] LAT : 17.85583 , LON : -67.051952 , DEPTH : 890.8564 m, TEMP : 6.32052 C, SAL : 34.8807 PSU, DO : 4.55762 mg/l [17:47:34] Timestamp (UTC) 20181108 17:46:56 Sample ID EX1811_D08_03B Longitude, Latitude -67.05197, 17.855839 Depth (CTD) 890.8167 Salinity 34.87818 Temperature 6.37167 Oxygen 4.51915 [17:47:49] good collection of sponge + madrepora (live + dead) [17:48:33] Outstanding. [17:48:50] primary was the Madrepora. Sponge will be assoc. [17:49:03] LAT : 17.855849 , LON : -67.051963 , DEPTH : 890.287 m, TEMP : 6.38884 C, SAL : 34.8757 PSU, DO : 4.50469 mg/l [17:49:13] @Steve: note you had a [object Object] paste error at 11:47:34 [17:51:16] Hmm I took out the table formatting. How about this? EX1811_D08_03B Longitude, Latitude -67.05197, 17.855839 Depth (CTD) 890.8167 Salinity 34.87818 Temperature 6.37167 Oxygen 4.51915 [17:52:12] charlesmessing leaves the room [17:53:55] LAT : 17.855986 , LON : -67.051833 , DEPTH : 887.2862 m, TEMP : 6.41199 C, SAL : 34.87618 PSU, DO : 4.48253 mg/l [17:58:49] jaymesawbrey leaves the room [17:58:55] LAT : 17.856104 , LON : -67.051649 , DEPTH : 884.5737 m, TEMP : 6.45937 C, SAL : 34.87375 PSU, DO : 4.43936 mg/l [18:03:56] LAT : 17.856246 , LON : -67.05158 , DEPTH : 878.7905 m, TEMP : 6.53854 C, SAL : 34.87049 PSU, DO : 4.36459 mg/l [18:06:43] @Steve: sorry - have been in conversations here. Yes, the paste worked the second time. [18:08:56] LAT : 17.856365 , LON : -67.051668 , DEPTH : 875.8756 m, TEMP : 6.54567 C, SAL : 34.87005 PSU, DO : 4.36889 mg/l [18:11:30] danielwagner leaves the room [18:11:45] Nice scale worm [18:13:57] LAT : 17.856488 , LON : -67.05161 , DEPTH : 869.9282 m, TEMP : 6.56015 C, SAL : 34.87103 PSU, DO : 4.35305 mg/l [18:15:36] laurenwalling leaves the room [18:18:57] LAT : 17.856616 , LON : -67.051626 , DEPTH : 865.0773 m, TEMP : 6.57404 C, SAL : 34.87063 PSU, DO : 4.35017 mg/l [18:19:18] Getting some good diversity of sea pens. [18:19:48] @Steve Had to leave during the sponge/madrepora collection. Great decision and thank the ROV team please [18:20:15] Perhaps a tooth shell? [18:20:31] Scaphopoda [18:20:41] Certainly it is in the right position [18:20:56] and appeared tapered at the tip [18:23:58] LAT : 17.856729 , LON : -67.051646 , DEPTH : 862.8255 m, TEMP : 6.58096 C, SAL : 34.86988 PSU, DO : 4.35214 mg/l [18:28:59] LAT : 17.856954 , LON : -67.051523 , DEPTH : 858.2664 m, TEMP : 6.59871 C, SAL : 34.86968 PSU, DO : 4.31742 mg/l [18:30:52] chat-admin leaves the room: Replaced by new connection [18:31:55] upasanaganguly leaves the room [18:33:59] LAT : 17.857037 , LON : -67.051509 , DEPTH : 858.6669 m, TEMP : 6.5845 C, SAL : 34.86894 PSU, DO : 4.33869 mg/l [18:38:38] Interesting. Looks like forams growing plate-like on the spines. Is that what those are? [18:39:00] LAT : 17.857165 , LON : -67.05143 , DEPTH : 858.319 m, TEMP : 6.61872 C, SAL : 34.86944 PSU, DO : 4.3151 mg/l [18:42:07] For the urchin? Chris M ID'd it as Cidaris blakei [18:42:20] The paddles are actualy part of the spine [18:42:38] presumably for better movement on soft bottom [18:43:14] @Steve: thanks. Not sure how paddles oriented up in the water help on sediments... [18:44:00] LAT : 17.857281 , LON : -67.051326 , DEPTH : 856.1693 m, TEMP : 6.83916 C, SAL : 34.86691 PSU, DO : 4.19458 mg/l [18:45:02] Chris has a nice blog on the group: http://echinoblog.blogspot.com/2015/05/what-is-going-on-with-cidaroid-sea.html [18:47:26] danielwagner leaves the room [18:49:01] LAT : 17.857251 , LON : -67.051244 , DEPTH : 855.8535 m, TEMP : 6.83527 C, SAL : 34.85333 PSU, DO : 4.19193 mg/l [18:50:21] From the ones we've seen the spines have been bare these days. [18:54:01] LAT : 17.857396 , LON : -67.051209 , DEPTH : 853.1804 m, TEMP : 6.6949 C, SAL : 34.86776 PSU, DO : 4.27374 mg/l [18:56:13] Is that a juvenile Bathynomus? [18:57:18] So cute! [18:57:37] @Cheryl Got some madrepora [18:57:44] YEs! [18:57:49] Not much but enough [18:58:00] kevinrademacher leaves the room [18:59:02] LAT : 17.857437 , LON : -67.05107 , DEPTH : 850.359 m, TEMP : 6.70624 C, SAL : 34.86833 PSU, DO : 4.26727 mg/l [18:59:37] @steve- awesome!!! Saw that in the chat- of course when i had to step away! [19:04:02] LAT : 17.857521 , LON : -67.05089 , DEPTH : 847.6048 m, TEMP : 6.72685 C, SAL : 34.86854 PSU, DO : 4.24977 mg/l [19:04:54] Interesting for viewers to compare this isopod to the Bathynomous we saw a short while ago [19:05:08] Shows the range of morphological diversity in the group [19:05:49] I think the long setose legs are to slow sinking, and the beating pleopods are for propulsion [19:06:09] Although they also swim with the long legs [19:06:57] Wow- really cool!!! [19:07:37] Neoscopelus [19:07:50] THere are 2 species of blackchins [19:09:03] LAT : 17.857554 , LON : -67.050875 , DEPTH : 845.9533 m, TEMP : 6.81011 C, SAL : 34.86786 PSU, DO : 4.20661 mg/l [19:09:52] They look like crustacean fecal pellets [19:14:03] LAT : 17.857584 , LON : -67.05082 , DEPTH : 844.9242 m, TEMP : 6.86304 C, SAL : 34.8665 PSU, DO : 4.17336 mg/l [19:17:29] The dot is likely the madreporite of the sea star (link to the water vascualr system) [19:18:44] It is the madreporite, I'm sure. The texture is the seive plate aspect of the madreporite. [19:19:01] In many seastars the madreporite is between the arms, not on the top of the disc. [19:19:11] LAT : 17.857658 , LON : -67.050714 , DEPTH : 842.3872 m, TEMP : 6.91398 C, SAL : 34.87136 PSU, DO : 4.14181 mg/l [19:19:48] Do a Google image search for madreporite and you'll see many examples [19:20:36] thanks scott. usually they are much smaller [19:23:04] @Stacey: sure, agreed. [19:24:04] LAT : 17.857714 , LON : -67.050467 , DEPTH : 834.0615 m, TEMP : 7.08879 C, SAL : 34.87551 PSU, DO : 4.0725 mg/l [19:24:24] Please get a closeup of head to pectoral on eel [19:26:30] Trying to see where opercle opening stops in relation to pectoral [19:28:20] Looks like 1 of the 2 species of Ariosoma [19:29:05] LAT : 17.857778 , LON : -67.050457 , DEPTH : 832.7876 m, TEMP : 7.09638 C, SAL : 34.87575 PSU, DO : 4.0839 mg/l [19:29:42] Thanks [19:30:44] Have to look at head pores to ID to species! Not going to see that on video!! [19:31:00] thanks kevin [19:33:14] I know this, but can't recall the name at this time. Give me a minute [19:33:27] That crustacean may be a Flatback blind lobster [19:33:41] No it's not [19:33:52] Yes! Blind lobster. [19:34:03] Polycheles [19:34:21] LAT : 17.857908 , LON : -67.050437 , DEPTH : 829.0875 m, TEMP : 7.12981 C, SAL : 34.87665 PSU, DO : 4.05899 mg/l [19:34:29] Oh there are the Chelipeds IT IS!! [19:34:35] Small one!! [19:34:46] Polycheles was the name I was trying to dig up. [19:35:16] Never seen one that small [19:35:36] THey are good to eat!! [19:35:47] Boiled fresh [19:36:01] i'm guessing the bigger ones :) [19:36:21] how do you collect them, in pots? [19:36:33] Commercial fisherman have tried to market them but they have to be cooked on the boat. [19:36:45] They get mushy when frozen fresh [19:36:56] Trawled [19:37:07] Darnit- had to walk away again and missed the Polycheles! [19:37:16] ummm interesting [19:37:31] By catch in Royal Red Shrimp fishery [19:39:06] LAT : 17.857954 , LON : -67.050185 , DEPTH : 819.5603 m, TEMP : 7.16295 C, SAL : 34.8793 PSU, DO : 4.05499 mg/l [19:41:44] Ophidiform [19:42:34] Gaza [19:44:06] LAT : 17.857998 , LON : -67.050105 , DEPTH : 817.1246 m, TEMP : 7.15939 C, SAL : 34.87989 PSU, DO : 4.05041 mg/l [19:49:07] LAT : 17.858068 , LON : -67.050038 , DEPTH : 813.2588 m, TEMP : 7.16196 C, SAL : 34.88014 PSU, DO : 4.0559 mg/l [19:49:33] Peristedion, armored searobin [19:50:55] Maybe P. greyi [19:52:42] either P. greyae or P. minn\iatum [19:52:53] miniatum [19:54:07] LAT : 17.858184 , LON : -67.050019 , DEPTH : 809.1486 m, TEMP : 7.15505 C, SAL : 34.87905 PSU, DO : 4.05411 mg/l [19:56:49] CherylMorrison leaves the room [19:56:50] Thank you for the great dive Watch Leads, ROV team, and OKEX crew! [19:56:52] nolanbarrett leaves the room [19:57:05] Thank you for the dive today! [19:57:10] asakomatsumoto leaves the room [19:59:08] LAT : 17.858187 , LON : -67.050106 , DEPTH : 808.4761 m, TEMP : 7.13662 C, SAL : 34.87892 PSU, DO : 4.06288 mg/l [20:00:35] meganmcculler leaves the room [20:00:41] kevinrademacher leaves the room [20:00:55] scottfrance leaves the room [20:01:22] EX1811_DIVE08 ROV Ascending [20:04:08] LAT : 17.85833 , LON : -67.050175 , DEPTH : 771.421 m, TEMP : 7.47077 C, SAL : 34.89881 PSU, DO : 3.99103 mg/l [20:08:19] jimmasterson leaves the room [20:09:09] LAT : 17.85839 , LON : -67.050081 , DEPTH : 640.3181 m, TEMP : 9.8941 C, SAL : 35.18361 PSU, DO : 3.84742 mg/l [20:14:09] LAT : 17.85804 , LON : -67.049704 , DEPTH : 497.1543 m, TEMP : 13.78512 C, SAL : 35.78296 PSU, DO : 4.1836 mg/l [20:14:40] staceywilliams leaves the room [20:16:46] upasanaganguly leaves the room [20:19:10] LAT : 17.857383 , LON : -67.048562 , DEPTH : 341.7811 m, TEMP : 17.12627 C, SAL : 36.38204 PSU, DO : 5.15452 mg/l [20:23:44] Steve Auscavitch leaves the room [20:24:11] LAT : 17.856686 , LON : -67.046841 , DEPTH : 201.8057 m, TEMP : 20.24203 C, SAL : 36.80758 PSU, DO : 5.42385 mg/l [20:28:26] enriquesalgado leaves the room [20:29:11] LAT : 17.856071 , LON : -67.045091 , DEPTH : 68.6462 m, TEMP : 26.83019 C, SAL : 36.72352 PSU, DO : 6.06367 mg/l [20:34:12] LAT : 17.855424 , LON : -67.043277 , DEPTH : 51.9247 m, TEMP : 28.47806 C, SAL : 34.59959 PSU, DO : 5.88171 mg/l [20:39:12] LAT : 17.854819 , LON : -67.041676 , DEPTH : 52.0873 m, TEMP : 28.53186 C, SAL : 34.39677 PSU, DO : 5.86958 mg/l [20:44:04] EX1811_DIVE08 ROV on Surface [20:44:18] LAT : 17.854096 , LON : -67.039871 , DEPTH : 3.3756 m, TEMP : 28.73404 C, SAL : 33.58526 PSU, DO : 6.0395 mg/l [20:57:51] danielwagner leaves the room [21:00:53] EX1811_DIVE08 ROV Recovery Complete [21:10:29] jaymesawbrey leaves the room [21:39:08] michellescharer leaves the room [22:49:01] santiagoherrera leaves the room [23:33:05] EX1811_DIVE08 ROV powered off