[08:35:48] okexnav leaves the room [12:05:50] EX2107_DIVE11 ROV powered off [12:14:41] EX2107_DIVE12 Test message [15:05:46] johnreed leaves the room [15:13:33] allencollins leaves the room [15:26:01] If you log in, we are still watching weather. Have some thunder storms nearby, and the sea where we are is pretty confused with waves (not that large) coming from multiple directions [15:27:32] allencollins leaves the room [16:37:42] Such a melancholy site on the fantail... [16:39:22] *sight... not site. Yikes! [16:54:27] Heading off to lecture. UI see some movement on the fanbtail, which I will interpret as a good sign and hope to see you in the water when I return. Good luck! [17:13:20] emilycrum leaves the room [17:13:28] EX2107_DIVE12 ROV powered off [17:13:41] christophermah leaves the room [17:13:49] Were looking to launch soon, hopefully! [17:15:19] stephaniefarrington leaves the room [17:28:26] stephaniefarrington leaves the room [17:29:18] emilycrum leaves the room [17:29:50] 15 min to launch [17:36:09] allencollins leaves the room [17:44:02] Finally sitting on the fun chair. Thanks for all your patience. [17:46:52] allencollins leaves the room [17:48:02] EX2107_DIVE12 ROV Launch [17:52:13] The "fun chair"! I like it! [17:53:32] D1 in the water. Serios going in now. Pre-dive call at 1. [17:53:59] EX2107_DIVE12 ROV on Surface [17:54:01] *D2 [17:54:33] EX2107_DIVE12 ROV Descending [17:55:21] LAT : 29.747584 , LON : -78.437245 , DEPTH : 16.0854 m, TEMP : 24.86138 C, SAL : 36.59625 PSU, DO : 6.84857 mg/l, TURBIDITY : 0.6471 FTU [18:00:21] LAT : 29.747771 , LON : -78.437052 , DEPTH : 75.4368 m, TEMP : 21.97805 C, SAL : 36.86464 PSU, DO : 6.40826 mg/l, TURBIDITY : 0.7692 FTU [18:04:16] allencollins leaves the room [18:05:22] LAT : 29.748079 , LON : -78.436384 , DEPTH : 229.2981 m, TEMP : 19.29319 C, SAL : 36.67533 PSU, DO : 6.51774 mg/l, TURBIDITY : 0.7937 FTU [18:05:43] stephaniefarrington leaves the room [18:10:22] LAT : 29.748386 , LON : -78.436077 , DEPTH : 375.0162 m, TEMP : 18.33621 C, SAL : 36.54537 PSU, DO : 6.12675 mg/l, TURBIDITY : 0.8303 FTU [18:10:25] allencollins leaves the room [18:15:06] allencollins leaves the room [18:15:23] LAT : 29.74813 , LON : -78.435627 , DEPTH : 533.5151 m, TEMP : 15.76263 C, SAL : 36.12792 PSU, DO : 5.4218 mg/l, TURBIDITY : 0.8364 FTU [18:17:55] tinamolodtsova leaves the room [18:18:59] Just a heads up that this will likely not be a dive during which many samples are collected. We want to make sure we get to the top of the mound and so will be moving relatively quickly. [18:19:25] That said, you see an important target, please let us know. Thanks [18:20:23] LAT : 29.747794 , LON : -78.435156 , DEPTH : 690.7023 m, TEMP : 12.26799 C, SAL : 35.58475 PSU, DO : 4.78588 mg/l, TURBIDITY : 0.8425 FTU [18:24:15] Hi John. [18:24:20] Finallly- yah [18:24:41] Indeed. [18:25:23] LAT : 29.74755 , LON : -78.43458 , DEPTH : 702.2669 m, TEMP : 12.09396 C, SAL : 35.55729 PSU, DO : 4.57684 mg/l, TURBIDITY : 0.8486 FTU [18:26:00] christophermah leaves the room [18:26:53] The proposed transect has us coming up the north slope- which if the likely currents are to the north will be mostly dead. Need to see the south slope and top if possible. [18:30:24] LAT : 29.747296 , LON : -78.433996 , DEPTH : 702.1741 m, TEMP : 12.10772 C, SAL : 35.55328 PSU, DO : 4.52968 mg/l, TURBIDITY : 0.8486 FTU [18:30:38] @John: we are always thwarted by the operational contrainbts of the ROV and the side we'd like to be on for maximum live suspension feeders. [18:31:33] Those are both good points. [18:35:24] LAT : 29.747179 , LON : -78.433643 , DEPTH : 737.9494 m, TEMP : 10.65712 C, SAL : 35.36322 PSU, DO : 4.35446 mg/l, TURBIDITY : 0.8425 FTU [18:37:09] christophermah leaves the room [18:37:46] Little current at bottom. Not sure if we can be sure what dominant current is in this locality. The current nearer the surface is to northeast, but quite negligible [18:40:25] LAT : 29.747158 , LON : -78.433416 , DEPTH : 794.1038 m, TEMP : 9.82491 C, SAL : 35.27042 PSU, DO : 4.26871 mg/l, TURBIDITY : 0.8547 FTU [18:44:26] stephaniefarrington leaves the room [18:45:20] EX2107_DIVE12 ROV on Bottom [18:45:26] LAT : 29.746948 , LON : -78.433352 , DEPTH : 815.5483 m, TEMP : 7.93259 C, SAL : 35.18571 PSU, DO : 5.31801 mg/l, TURBIDITY : 0.8608 FTU [18:47:34] allencollins leaves the room [18:48:48] From here I can't tell if that is a white Paragorgiid [18:49:21] or some kind of plexaurid [18:50:26] LAT : 29.747041 , LON : -78.433379 , DEPTH : 816.5762 m, TEMP : 7.93911 C, SAL : 35.17284 PSU, DO : 5.33135 mg/l, TURBIDITY : 0.873 FTU [18:50:34] I don't think that is Echinus Allen [18:50:55] looked more like an echinothuriid [18:51:07] close up when you can.. thanks [18:51:11] OK, what was it Chris? [18:51:56] Echinothuriidae or some kind [18:53:46] if we can get a close up.. I think I can get a better ID [18:54:31] If these white gorgonians we are passing are plexauarids, then they are likely the same as we collected in this area on EX1903L2. But at least one quick close up would help. [18:54:42] What a beauty!! I wonder what does it ieat @Chris? [18:55:13] there are mini spongees between the rubble [18:55:26] LAT : 29.746999 , LON : -78.433471 , DEPTH : 815.2627 m, TEMP : 7.93728 C, SAL : 35.17076 PSU, DO : 5.3399 mg/l, TURBIDITY : 0.8608 FTU [18:57:46] Viper fish [18:57:54] Chauloides sp [18:58:08] Viperfish [18:59:25] Beautiful Euplectellid! [18:59:56] Very short and chubby arms on that Ophiuroid. [19:00:26] LAT : 29.747025 , LON : -78.433594 , DEPTH : 814.1109 m, TEMP : 7.94156 C, SAL : 35.38932 PSU, DO : 5.3039 mg/l, TURBIDITY : 0.9035 FTU [19:01:13] it looked vaguely ophiomyxid like.. I think we collected something similar a few years ago [19:01:26] mariadiaz leaves the room [19:04:16] Sorry I must leave, be back in 1 h. [19:05:27] LAT : 29.746917 , LON : -78.43366 , DEPTH : 805.1434 m, TEMP : 8.01014 C, SAL : 35.39767 PSU, DO : 5.24752 mg/l, TURBIDITY : 0.8608 FTU [19:07:35] Hexactinellid sponges and chimney shaped Heteroscleromorph demosponges [19:10:05] another fat eel [19:10:28] LAT : 29.746904 , LON : -78.433687 , DEPTH : 802.3571 m, TEMP : 8.16132 C, SAL : 35.40726 PSU, DO : 5.14331 mg/l, TURBIDITY : 0.8852 FTU [19:10:43] mariadiaz leaves the room [19:11:15] Change my mind, I agree with @John the chimney sponges would be in the order Haplosclerida (Petrosiidae included) not Heteroscleromorpha. [19:11:52] Abyssocladia clado [19:12:21] meganmcculler leaves the room [19:13:35] Roger @Nolan [19:14:01] Hello [19:14:15] Hi Asako. We need help today! [19:14:20] Hi @Asako! [19:14:56] Hi Scott, Nolan! [19:15:29] LAT : 29.746756 , LON : -78.433709 , DEPTH : 794.1668 m, TEMP : 9.29213 C, SAL : 35.46515 PSU, DO : 4.50081 mg/l, TURBIDITY : 0.8547 FTU [19:15:46] heatherjudkins leaves the room [19:16:23] what are these small white colonies? [19:16:48] cutthroat eel [19:20:30] LAT : 29.74671 , LON : -78.433843 , DEPTH : 788.8163 m, TEMP : 9.88119 C, SAL : 35.51939 PSU, DO : 4.24139 mg/l, TURBIDITY : 0.8791 FTU [19:20:37] Interesting, the Dissolved Oxygen is relatively low here. [19:22:20] meganmcculler leaves the room [19:23:34] I just remember the sink hole last week had DO levels double this. And sink holes like those "blue holes" in the GoM tend to have very steep DO gradients. But then again those sink holes are "start" relatively shallow while our sink hole "started" at almost 1000m deep. [19:23:37] two pink polyps [19:25:23] @NolanBarrett The temperature here is quite warm compared to at least that Atlantic sinkhole and DO tends to increase with decreasing T, so that might be first order explanation [19:25:30] LAT : 29.746716 , LON : -78.433844 , DEPTH : 788.5191 m, TEMP : 9.88463 C, SAL : 35.51959 PSU, DO : 4.23817 mg/l, TURBIDITY : 0.8547 FTU [19:27:21] @Carolyn Good point. Thanks! I wonder how its affecting the biology here. Obviously there's lots of live critters here! [19:27:41] yada, yada, yada cirle of life... [19:27:46] circle of life [19:28:46] Asako loves this story... ;-) [19:29:11] heatherjudkins leaves the room [19:29:52] haha [19:30:27] stephaniefarrington leaves the room [19:30:30] LAT : 29.746612 , LON : -78.433938 , DEPTH : 782.9981 m, TEMP : 10.09198 C, SAL : 35.52107 PSU, DO : 4.23861 mg/l, TURBIDITY : 0.8547 FTU [19:31:09] Echinothuriidae like before [19:31:13] Sarcasm, I am thinking. yes? [19:31:15] when I hear the sponge-shrimp story, I always say I've never seen Japanese wedding gift sponge by myself :) [19:32:13] MAybe that story should stop being repeated. I can handle that [19:32:23] We always used to tell that story as they were traditional Japanese wedding gifts, and Asako pointed out she'd never heard of that! [19:35:03] @Scott no, I heard the story in Japan as well. we even has phrase on it. but I have never "seen" sponge is used as the gift. but still, shrimp/lobster is good meaning and are use for the wedding symbol sometimes. [19:35:17] The big glass sponge that we got close to just now was Heterotella in the family Euplectellidae [19:35:26] NOT Eucidars [19:35:30] LAT : 29.746484 , LON : -78.433904 , DEPTH : 778.9232 m, TEMP : 9.9106 C, SAL : 35.5197 PSU, DO : 4.22265 mg/l, TURBIDITY : 0.8547 FTU [19:36:16] Stylocidaris sounds more likely [19:36:24] Eucidaris does not occur at this depth [19:37:31] I'm interested in these small white plexaurids! [19:39:35] @Asako need more zooms? [19:40:12] @Allen if possible, please [19:40:31] LAT : 29.746461 , LON : -78.433966 , DEPTH : 776.2692 m, TEMP : 10.00163 C, SAL : 35.53225 PSU, DO : 4.21931 mg/l, TURBIDITY : 0.9158 FTU [19:41:02] Thanks! [19:41:31] are there two species? [19:42:08] christophermah leaves the room [19:42:57] heatherjudkins leaves the room [19:43:13] johnreed leaves the room [19:44:03] yes. Araeosoma [19:45:32] LAT : 29.746273 , LON : -78.433998 , DEPTH : 776.7254 m, TEMP : 9.8427 C, SAL : 35.5136 PSU, DO : 4.21764 mg/l, TURBIDITY : 0.8547 FTU [19:47:08] I thinnk Nezumia has a more pointy nose. [19:47:49] I misspoke before when I said Steve C was hpoing for Distichoptilum (which is a sea pen!). I meant Distichogorgia. https://www.researchgate.net/publication/316060977_A_new_genus_and_species_of_golden_coral_Anthozoa_Octocorallia_Chrysogorgiidae_from_the_Northwest_Atlantic [19:49:02] yes.. stalked crinoid [19:50:33] LAT : 29.746205 , LON : -78.434018 , DEPTH : 775.3057 m, TEMP : 9.84336 C, SAL : 35.51772 PSU, DO : 4.22492 mg/l, TURBIDITY : 0.9646 FTU [19:51:27] allencollins leaves the room [19:51:43] santiagoherrera leaves the room [19:51:53] FYI, re: Distichogorgia: "Distichogorgia Bayer, 1979, known only from the Blake Plateau o Florida at 814 m depth, is unbranched and has biserially arranged polyps" [19:52:10] Thanks @Scott [19:52:27] "stick"Small [19:52:59] That's what Steve told me to look for. [19:53:09] Yup. [19:53:49] could wew get shot? [19:53:53] How we will distinguish it from the small stick Flagelligorgia, which also has biserially arranged polyps, I don't know! [19:55:33] LAT : 29.746072 , LON : -78.434115 , DEPTH : 770.1968 m, TEMP : 9.96038 C, SAL : 35.53278 PSU, DO : 4.2332 mg/l, TURBIDITY : 1.3919 FTU [19:55:59] cristianacastellobranco leaves the room [19:56:34] These Euplectellids with the osculum end being very bulbous are Heterotella [19:59:24] allencollins leaves the room [19:59:39] Halosaur fish [19:59:55] Nope, maybe not. [20:00:34] LAT : 29.745922 , LON : -78.434169 , DEPTH : 764.7794 m, TEMP : 9.87693 C, SAL : 35.51824 PSU, DO : 4.2109 mg/l, TURBIDITY : 0.928 FTU [20:01:36] johnreed leaves the room [20:04:25] @Noaln, perhaps Dictyalus also euplectellid possibility? [20:05:34] LAT : 29.745763 , LON : -78.434191 , DEPTH : 757.5944 m, TEMP : 9.83348 C, SAL : 35.51492 PSU, DO : 4.22573 mg/l, TURBIDITY : 1.2332 FTU [20:06:40] johnreed leaves the room [20:07:12] What sponge was that crab using as a parasol? [20:08:25] I think that was a homolid crab carrying the sponge? I could be wrong [20:08:30] @Allen Maybe. I think there are but I think the ones that are wider in the middle of the vase look like some members of Dictyalus. My genus level ID for the other's is based on the sponge guide that Cris Diaz sent me. The Heterotella in there had a more similar osculum and frillies on the side then the Dictyalus that I am used to. [20:09:00] Thanks @Nolan [20:09:58] annaklompen leaves the room [20:10:35] LAT : 29.74565 , LON : -78.434363 , DEPTH : 758.4025 m, TEMP : 9.87663 C, SAL : 35.52146 PSU, DO : 4.22523 mg/l, TURBIDITY : 0.8486 FTU [20:10:37] @Allen I'm working on that crab-hat sponge...Its weird... We did see the same species earlier but stuck to the substrate. [20:10:41] Chaunax sp [20:12:55] cindyvandover leaves the room [20:12:56] christophermah leaves the room [20:14:15] KevinRademacher leaves the room: Replaced by new connection [20:15:36] LAT : 29.745423 , LON : -78.434568 , DEPTH : 761.965 m, TEMP : 10.01027 C, SAL : 35.5439 PSU, DO : 4.25066 mg/l, TURBIDITY : 0.8486 FTU [20:15:44] Thanks Kevin RE Chanax [20:15:44] santiagoherrera leaves the room [20:15:51] *Chaunax [20:16:05] upasanaganguly leaves the room [20:16:46] There was a review paper in Science a few years ago about the development cycle of these coral mounds. [20:20:36] LAT : 29.745282 , LON : -78.434644 , DEPTH : 758.5514 m, TEMP : 10.47095 C, SAL : 35.5962 PSU, DO : 4.2706 mg/l, TURBIDITY : 0.8547 FTU [20:21:27] star! [20:21:51] a lttle Lophaster! [20:21:59] about to feed on that feathe rstar [20:22:42] see Science 312:545 28 Apr 06. [20:23:37] @Chris Are Lophaster known to prey on crinoids? I feel like that would be very tough since the crinoid could either get away or even drop an arm. [20:24:38] Yes.. we've seen them repeatedly feed on comatulids [20:24:44] not all crinoids swim [20:24:55] Oh wow! That's so neat! [20:25:37] LAT : 29.745134 , LON : -78.434709 , DEPTH : 753.9746 m, TEMP : 10.38271 C, SAL : 35.54104 PSU, DO : 4.22189 mg/l, TURBIDITY : 0.8974 FTU [20:25:40] @Nolan from CAPSTONE https://twitter.com/echinoblog/status/862426124348948481 [20:27:06] johnreed leaves the room [20:28:15] @Chris That was just before I got involved with OKEX. So cool! Although I have to say this little Lophaster may have eyes much bigger then its stomach! [20:29:05] @Nolan doesn't matter.. sea stars are all about "a little effort goes a long way.." and "slow and steady wins the race" [20:29:20] meganmcculler leaves the room [20:29:33] @Chris Haha indeed! [20:30:38] LAT : 29.745035 , LON : -78.434884 , DEPTH : 751.4589 m, TEMP : 10.09228 C, SAL : 35.5515 PSU, DO : 4.2328 mg/l, TURBIDITY : 1.514 FTU [20:35:38] LAT : 29.744956 , LON : -78.43501 , DEPTH : 752.4653 m, TEMP : 9.92886 C, SAL : 35.52571 PSU, DO : 4.22693 mg/l, TURBIDITY : 0.8669 FTU [20:36:31] is the urchin feeding? [20:37:46] NOM NOM [20:38:02] marydeere leaves the room [20:38:35] wrong end [20:38:40] Maybe did he "blow" into the coral? [20:38:53] oh beast.. [20:38:59] How the heck does that urchon with such long spines manage to easily move around (and climb) in this coral rubble? [20:39:18] [BTW, this is Scott on Upasana's account! In a lab meeting...] [20:40:38] LAT : 29.744839 , LON : -78.434988 , DEPTH : 751.5755 m, TEMP : 9.91986 C, SAL : 35.5249 PSU, DO : 4.21416 mg/l, TURBIDITY : 0.8791 FTU [20:40:47] this urchin like the tast of plexaurid [20:43:33] @Allen, I am going to back out of genus level IDs for those vase that I was calling Heterotella to just say the subfamily Corbitellinae which encompasses Heterotella, Dictyaulus, and Regadrella for all of these vases. [20:44:33] Sounds good Nolan. I want one. But they have become rare up top. Such a bummer to have been delayed getting going [20:45:08] @Allen Haha me too! Yeah, we dive at the weather's mercy. [20:45:10] johnreed leaves the room [20:45:32] @scott or @upasan Urchins have catch connective tissue.. they can move the spines out of the way and move close and up the stalk [20:45:39] LAT : 29.744817 , LON : -78.435143 , DEPTH : 751.5466 m, TEMP : 9.84893 C, SAL : 35.51736 PSU, DO : 4.20385 mg/l, TURBIDITY : 0.8669 FTU [20:46:43] I see some. [20:48:43] Great! If y'all can, get some nice imagery of the sieve plate, the exterior side walls, and the basal attachment. [20:49:11] Do Lophelia fair alright if you break off a piece? [20:49:13] carolynruppel leaves the room [20:49:36] We may be SOL with so little time left [20:49:59] Oh darn, then maybe just another good zoom. I will be content. [20:50:40] LAT : 29.744764 , LON : -78.434995 , DEPTH : 751.9949 m, TEMP : 9.85931 C, SAL : 35.51618 PSU, DO : 4.19528 mg/l, TURBIDITY : 0.8547 FTU [20:50:58] KevinRademacher leaves the room [20:52:08] Darn indeed. Way too short today. Hopefully we get complete mound dive for our final one (From Million Mounds) on Sunday. [20:52:16] Tomorrow, some midwater. :) [20:54:22] allencollins leaves the room [20:55:41] LAT : 29.744795 , LON : -78.434982 , DEPTH : 751.7065 m, TEMP : 9.8544 C, SAL : 35.51691 PSU, DO : 4.21936 mg/l, TURBIDITY : 0.8547 FTU [20:55:44] @Allen Excellent for both midwater and Million Mounds! I won't be able to make tomorrow, but I will be around after lunch on Sunday. [20:56:11] christophermah leaves the room [20:58:53] Well, North Knolls I hardly knew ya! [20:58:57] Thank you ROV team for indulging us with the collection! And thank you again for another awesome dive! [20:59:18] johnreed leaves the room [21:00:05] Thank you for the today's mound dive with plexaurids! [21:00:41] LAT : 29.744835 , LON : -78.435012 , DEPTH : 748.5476 m, TEMP : 10.06745 C, SAL : 35.54405 PSU, DO : 4.22578 mg/l, TURBIDITY : 0.8669 FTU [21:01:29] christophermah leaves the room [21:02:29] asakomatsumoto leaves the room [21:02:59] NolanBarrett leaves the room [21:03:45] EX2107_DIVE12 ROV Ascending [21:03:50] carolynruppel leaves the room [21:04:20] upasanaganguly leaves the room [21:05:42] LAT : 29.745291 , LON : -78.435129 , DEPTH : 652.3407 m, TEMP : 13.15784 C, SAL : 35.97645 PSU, DO : 4.80646 mg/l, TURBIDITY : 0.8425 FTU [21:06:38] emilycrum leaves the room [21:07:05] michaelvecchione leaves the room [21:07:05] allencollins leaves the room [21:09:32] hannahmiller leaves the room [21:10:43] LAT : 29.745103 , LON : -78.43513 , DEPTH : 503.6529 m, TEMP : 16.20602 C, SAL : 36.44103 PSU, DO : 5.44455 mg/l, TURBIDITY : 0.8425 FTU [21:11:19] scottfrance leaves the room [21:12:59] just a note that your audio is still on on the public feed [21:14:25] GeorgeMatsumoto leaves the room [21:15:43] LAT : 29.744444 , LON : -78.434311 , DEPTH : 352.9949 m, TEMP : 18.4303 C, SAL : 36.57642 PSU, DO : 6.14487 mg/l, TURBIDITY : 0.8425 FTU [21:20:44] LAT : 29.743544 , LON : -78.433412 , DEPTH : 204.363 m, TEMP : 19.43349 C, SAL : 36.70337 PSU, DO : 6.51511 mg/l, TURBIDITY : 0.8059 FTU [21:25:44] LAT : 29.742624 , LON : -78.43259 , DEPTH : 55.7561 m, TEMP : 23.65144 C, SAL : 36.80595 PSU, DO : 7.05882 mg/l, TURBIDITY : 0.7753 FTU [21:30:45] LAT : 29.741862 , LON : -78.431697 , DEPTH : 56.1301 m, TEMP : 23.66259 C, SAL : 36.81194 PSU, DO : 7.12015 mg/l, TURBIDITY : 0.7692 FTU [21:35:45] LAT : 29.742156 , LON : -78.430474 , DEPTH : 37.6319 m, TEMP : 24.87018 C, SAL : 36.59558 PSU, DO : 6.84013 mg/l, TURBIDITY : 0.7448 FTU [21:39:01] EX2107_DIVE12 ROV on Surface [21:54:41] EX2107_DIVE12 ROV Recovery Complete [21:58:22] EX2107_DIVE12 ROV powered off