[00:23:07] kaseycantwell leaves the room [00:28:10] kennethsulak leaves the room [11:04:18] EX1907_DIVE06 ROV powered off [11:18:14] test [13:08:10] christarabenold leaves the room [13:25:35] EX1907_DIVE07 ROV Launch [13:33:22] EX1907_DIVE07 ROV on Surface [13:34:04] EX1907_DIVE07 ROV Descending [13:34:26] LAT : 31.016035 , LON : -78.389248 , DEPTH : 4.1409 m, TEMP : 26.48051 C, SAL : 36.46142 PSU, DO : 6.73469 mg/l [13:38:21] markmueller leaves the room [13:39:26] LAT : 31.017085 , LON : -78.38836 , DEPTH : 52.1415 m, TEMP : 26.48889 C, SAL : 36.46179 PSU, DO : 6.71676 mg/l [13:44:27] LAT : 31.017907 , LON : -78.38813 , DEPTH : 167.72 m, TEMP : 21.96482 C, SAL : 36.81269 PSU, DO : 6.47772 mg/l [13:49:27] LAT : 31.017836 , LON : -78.387651 , DEPTH : 318.9514 m, TEMP : 19.28677 C, SAL : 36.64965 PSU, DO : 6.87253 mg/l [13:54:28] LAT : 31.017712 , LON : -78.387281 , DEPTH : 467.6786 m, TEMP : 17.67906 C, SAL : 36.42813 PSU, DO : 5.92268 mg/l [13:59:28] LAT : 31.017674 , LON : -78.387126 , DEPTH : 621.1537 m, TEMP : 14.54306 C, SAL : 35.90609 PSU, DO : 5.05501 mg/l [14:01:00] kaseycantwell leaves the room [14:04:29] LAT : 31.017507 , LON : -78.386899 , DEPTH : 722.0808 m, TEMP : 11.98996 C, SAL : 35.50374 PSU, DO : 3.94444 mg/l [14:09:29] LAT : 31.017564 , LON : -78.386722 , DEPTH : 765.4023 m, TEMP : 9.3856 C, SAL : 35.18091 PSU, DO : 4.01415 mg/l [14:09:49] Good morning everyone! Let's have a great dive today [14:12:15] ::fingers crossed::: thank you all for making it happen. BOEM and USGS are very appreciative of the effort [14:13:02] Good morning to all!!! Here at the ECC in HBOI-FAU [14:13:09] We're happy to be exploring :) [14:14:30] LAT : 31.017136 , LON : -78.386682 , DEPTH : 775.1516 m, TEMP : 9.19437 C, SAL : 35.17351 PSU, DO : 4.28699 mg/l [14:17:45] mariadiaz leaves the room [14:19:30] LAT : 31.016885 , LON : -78.386662 , DEPTH : 795.0996 m, TEMP : 8.90107 C, SAL : 35.15674 PSU, DO : 4.4985 mg/l [14:20:52] EX1907_DIVE07 ROV on Bottom [14:24:11] these nodules might have been mined on the past [14:24:31] LAT : 31.016729 , LON : -78.386715 , DEPTH : 806.9789 m, TEMP : 8.91789 C, SAL : 35.15908 PSU, DO : 4.56127 mg/l [14:25:58] hi everybody [14:26:38] siphonophore [14:26:56] echinothirid urchin [14:29:31] LAT : 31.016898 , LON : -78.386634 , DEPTH : 807.0038 m, TEMP : 8.91376 C, SAL : 35.15894 PSU, DO : 4.60227 mg/l [14:30:41] looks for me like planktonic forams -sediment [14:32:57] Might be a new new organism. [14:33:03] can we have better zoom of this thing? [14:33:44] Bryzoan for me [14:34:09] Plenaster craigi Lim & Wiklund, new genus new species, much smaller. [14:34:32] LAT : 31.016866 , LON : -78.386631 , DEPTH : 806.9308 m, TEMP : 8.90953 C, SAL : 35.15796 PSU, DO : 4.64025 mg/l [14:34:36] We should find very different organisms here [14:36:16] crab [14:36:38] Yes Steph Pachastrellidae sounds good [14:36:43] I looked at description of the sponge from CCZ - it looks like real sponge but not as organism we have just looked at [14:36:48] ophiuroid [14:37:03] star-like thing is ophiuroid [14:37:58] zoom on squid? [14:38:07] what size are the cobbles? [14:38:15] Astrophiura or something very close [14:38:16] the small ones? [14:38:31] yes more Pachastrellidae [14:39:32] LAT : 31.016902 , LON : -78.386593 , DEPTH : 805.6077 m, TEMP : 8.90999 C, SAL : 35.15811 PSU, DO : 4.66521 mg/l [14:40:19] quite small Euplectellidae [14:43:37] mariadiaz leaves the room [14:44:33] LAT : 31.017076 , LON : -78.386581 , DEPTH : 805.2649 m, TEMP : 8.91244 C, SAL : 35.15841 PSU, DO : 4.7117 mg/l [14:49:33] LAT : 31.017098 , LON : -78.386416 , DEPTH : 806.7258 m, TEMP : 8.91229 C, SAL : 35.1579 PSU, DO : 4.70682 mg/l [14:54:34] LAT : 31.017349 , LON : -78.38646 , DEPTH : 805.4227 m, TEMP : 8.91331 C, SAL : 35.15912 PSU, DO : 4.73242 mg/l [14:55:43] Based on past geology work do we know if these are cobbles/nodules or instead sediment-buried lumpy hard bottom? [14:58:08] Stylocordaia, Suberitida [14:58:33] looks like a teed-up golf ball [14:58:51] The stalk has to be made of siliceous spicules - it is the only support mechanism at this scale. [14:59:34] LAT : 31.01751 , LON : -78.386621 , DEPTH : 806.3371 m, TEMP : 8.91397 C, SAL : 35.15905 PSU, DO : 4.75451 mg/l [15:00:04] Can you hear me on the line Steph and Kim? [15:00:48] We are seen small short Hexactinellids Euplectellidae [15:01:17] I could for a sec are oyu talking now? i dont hear now [15:01:21] talk to me [15:04:35] LAT : 31.017565 , LON : -78.386497 , DEPTH : 806.3003 m, TEMP : 8.90984 C, SAL : 35.1583 PSU, DO : 4.75558 mg/l [15:05:11] Yes, slimehead. [15:06:34] I heard you saw a "angular" rock a bit back...it may have been one of the blocks the USGS dropped in the area, so if you see another, getting a close look would be good [15:06:38] The slimehead may be Darwin's roughy, Gephyroberyx darwinii. [15:07:24] this one looks natural [15:07:28] and three sponges [15:07:35] Pachastrellida [15:07:44] The amount of growth on this makes me skeptical it was dropped any time recently [15:07:56] There are at least 4 species here [15:08:10] yes [15:08:21] thank you [15:09:35] LAT : 31.017681 , LON : -78.386453 , DEPTH : 806.0763 m, TEMP : 8.91667 C, SAL : 35.15857 PSU, DO : 4.76901 mg/l [15:10:24] Yellow Demospongiae [15:11:14] @Jason, not sure if you heard that but they are labeling the larger stones as "Large rock/stone 01" [15:11:27] in the droppints [15:11:34] *points [15:12:56] great, thanks [15:13:42] pan down to tail [15:14:36] LAT : 31.017762 , LON : -78.386318 , DEPTH : 805.4673 m, TEMP : 8.91856 C, SAL : 35.15841 PSU, DO : 4.77294 mg/l [15:14:50] saber? [15:15:03] all quick-silver [15:15:51] Leiodermatium [15:16:51] Not leiodermatium but Pachastrellidae [15:17:30] couple of little club-like white things on it that looked like they could be bryozoans [15:19:36] LAT : 31.017934 , LON : -78.386328 , DEPTH : 805.9218 m, TEMP : 8.91264 C, SAL : 35.15848 PSU, DO : 4.77381 mg/l [15:24:21] markmueller leaves the room [15:24:37] LAT : 31.018177 , LON : -78.386343 , DEPTH : 804.498 m, TEMP : 8.91606 C, SAL : 35.15925 PSU, DO : 4.78709 mg/l [15:24:39] zoom on the white sediment bands? [15:24:51] the dune edges [15:25:03] I think the long silvery fish was either Benthodesmus or Lepidopus (related to cutlassfish but with caudal fin). [15:25:19] likely just an accumulation of the pteropods etc [15:25:22] The pogo stick? [15:26:34] Yes Stephanie [15:26:40] Thanks mike! [15:26:57] all good on the zoom when you are ready to go [15:27:09] so a cutlassfish is the right common name... check [15:27:35] Pteropod shells are CaC03 but they are aragonite rather than calcite. [15:28:37] a lot of the tan sediment could be forams [15:28:46] Diatom tests would be silicious [15:29:37] LAT : 31.01813 , LON : -78.386044 , DEPTH : 804.092 m, TEMP : 8.91886 C, SAL : 35.1598 PSU, DO : 4.79836 mg/l [15:34:38] LAT : 31.018372 , LON : -78.386019 , DEPTH : 805.4329 m, TEMP : 8.91626 C, SAL : 35.15862 PSU, DO : 4.79647 mg/l [15:39:38] LAT : 31.01853 , LON : -78.386163 , DEPTH : 804.933 m, TEMP : 8.91952 C, SAL : 35.15976 PSU, DO : 4.78447 mg/l [15:41:29] nice! [15:41:34] that's one of the patio blocks [15:43:01] when did they drop them? [15:43:13] when they been dropped? asked because of sponge [15:43:41] how long it took to grow up? [15:44:01] Lots of Stylocordyla (loly pop) [15:44:06] Leidermatium [15:44:33] actually it seems tha was pretty barren for almost 40 years there [15:44:38] LAT : 31.018544 , LON : -78.38593 , DEPTH : 804.0664 m, TEMP : 8.9238 C, SAL : 35.15942 PSU, DO : 4.80509 mg/l [15:45:13] it's possible there could be a revisit dive to get some more data about those blocks and growth rates, etc [15:45:31] 58 had a sponge [15:46:07] could we pan to the left of the sponge? there [15:46:19] there's a branching thing on the rock [15:47:05] oh wait nevermind. ignore me [15:47:10] ok for collecting sponge - it is second [15:47:43] take from the left [15:48:32] or low right [15:48:54] I was surprised too how clean that block was [15:48:57] or just the whole thing [15:49:02] lol [15:49:23] Very different Haplosclerida, soft body [15:49:39] LAT : 31.018568 , LON : -78.385886 , DEPTH : 805.1601 m, TEMP : 8.92217 C, SAL : 35.16088 PSU, DO : 4.80048 mg/l [15:49:42] It would be helpful if we can make sure and get photography of all sides of the blocks, I am guessing we did [15:50:23] Thanks so much pilots [15:52:53] @Michael, video team is good at taking image shots while video-ing [15:53:00] I wil comfirm with them [15:53:07] Goniasterid cookie [15:53:48] with stomack full [15:54:31] they are raviolli when they are full and cookie when hungry [15:54:39] LAT : 31.018739 , LON : -78.385868 , DEPTH : 805.0378 m, TEMP : 8.91749 C, SAL : 35.15895 PSU, DO : 4.79566 mg/l [15:54:49] Chris tweeted not too long ago a picture of a 4-armed cookie star. It looked like a Cheez-It [15:55:18] hahaha. I love it. Cheez-it seastar [15:55:22] Halichondriidae, possibly Ciocalypta [15:55:23] I made the mistake of commenting that it looked like a Cheez-It and promptly started getting promoted ads about Cheez-Its [15:55:27] the small-white -coral is stylasterid? [15:56:09] https://twitter.com/echinoblog/status/1122155318656622597 [15:56:16] @Tina, yes [15:56:24] (if you want to see the cheezit star) [15:57:07] @Megan, that looks so cool! Definitely Cheez-it or ravioli shaped [15:59:07] little white branches might be bryozoans [15:59:40] LAT : 31.018746 , LON : -78.385797 , DEPTH : 805.0278 m, TEMP : 8.92335 C, SAL : 35.1605 PSU, DO : 4.79837 mg/l [16:02:38] crinoid covered by hydrozoan [16:02:53] perhaps Hydractinia [16:04:40] LAT : 31.018847 , LON : -78.385933 , DEPTH : 805.0159 m, TEMP : 8.92151 C, SAL : 35.16018 PSU, DO : 4.80055 mg/l [16:04:43] Likely a small Eunicella.... [16:05:46] But if it were reddish I'd call it a Swiftia [16:08:19] zoanthids? [16:08:42] encrusting with stolons [16:09:41] LAT : 31.01896 , LON : -78.385869 , DEPTH : 805.2919 m, TEMP : 8.91937 C, SAL : 35.15975 PSU, DO : 4.79196 mg/l [16:10:29] You are right I agree [16:11:46] Tiny yellow [16:13:56] Lets call it Porifera, it may be an Astrophorida, or Hexactinellida. Quite unique [16:14:37] those are some spikes [16:14:42] LAT : 31.019018 , LON : -78.385783 , DEPTH : 805.309 m, TEMP : 8.92156 C, SAL : 35.15971 PSU, DO : 4.7943 mg/l [16:16:51] some little branching bryozoan in the sand beneath this sponge [16:17:15] actually the base of this sponge is covered in little branching bryos [16:17:27] then it changes to hydroids [16:19:42] LAT : 31.019159 , LON : -78.385811 , DEPTH : 805.2003 m, TEMP : 8.92365 C, SAL : 35.16048 PSU, DO : 4.79245 mg/l [16:21:08] the nodules in this area are quite variable in size and shape, the 3 nodules from here I have on my desk are about 6-7 cm in diameter [16:23:24] Spirophorida [16:24:09] looks like shallow Cynachirella spp [16:24:42] LAT : 31.019241 , LON : -78.385744 , DEPTH : 805.1489 m, TEMP : 8.92314 C, SAL : 35.16064 PSU, DO : 4.79071 mg/l [16:25:12] I wonder if these little branching things coming from the sediment are bryos [16:26:29] there's a genus Kinetoskias that has a thick stalk and a crown of branches [16:27:31] dragonfish. zoom on teh barbel tip. [16:28:12] yes. taxonomically important. [16:29:43] LAT : 31.019353 , LON : -78.385864 , DEPTH : 804.9582 m, TEMP : 8.92411 C, SAL : 35.16113 PSU, DO : 4.79962 mg/l [16:29:54] mariadiaz leaves the room [16:30:19] maybe a dilapidated larvacean house? [16:31:33] abandoned [16:34:43] LAT : 31.019449 , LON : -78.385661 , DEPTH : 804.8323 m, TEMP : 8.92401 C, SAL : 35.16029 PSU, DO : 4.79184 mg/l [16:36:11] Lots of diversity in these small little world [16:37:10] Leiodermatium [16:38:34] you did fine [16:39:44] LAT : 31.019604 , LON : -78.385664 , DEPTH : 804.6219 m, TEMP : 8.92549 C, SAL : 35.16064 PSU, DO : 4.79192 mg/l [16:43:15] looks gravid [16:43:23] type of hake with parasite? [16:43:38] though that is a really small area [16:43:59] so I think cherly is probably right [16:44:44] LAT : 31.01972 , LON : -78.385613 , DEPTH : 804.8214 m, TEMP : 8.92233 C, SAL : 35.16089 PSU, DO : 4.79481 mg/l [16:44:45] CherylMorrison leaves the room [16:45:23] It looks similar to a photo I found of a gravid croaker, so I'm leaning gravid and not parasite [16:45:37] That fish looked like a brotula, no? [16:46:10] Had the small barbels set well back on the body [16:46:22] Note: I am NOT saying that fish was a croaker (I'm not trying to ID the fish!). Only weighing in on the swelling. [16:47:24] . . . which are not actually barbels but modified filamentous pelvics [16:47:38] Hexactinellids and lithistids commonly co-occurred as reef builders on Late Jurassic (163–145 mya) and Early Cretaceous (145–100 mya) shelves,. Nowdays they are restricted to deep water and caves. Maldonado et al. 2015 [16:47:53] Yes, seeing that both sides were inflated, probably preggers! [16:48:00] Sounds right on the ID Jim! [16:48:43] Small cup corals- there are two closely related species, Bathypsammia and Thecopsammia. Think many of the cup corals are one of these. Orange-pinkish tissue [16:49:45] LAT : 31.019948 , LON : -78.38562 , DEPTH : 804.61 m, TEMP : 8.92824 C, SAL : 35.16106 PSU, DO : 4.7671 mg/l [16:50:22] Yes, and any ID on the fly is questionable until we can examine them under a scope with tissue removed! But those species quite common off the SE coast at this depth [16:52:35] If we see a nodule with one of the cup corals on it, probably worth trying to grab it, get a two for one sample [16:53:19] That one is dead [16:53:52] No tissue visible [16:54:09] :yes: good eye [16:54:35] love seeing these little encrusting colonies on rocks [16:54:41] of bryozoans of course [16:54:46] LAT : 31.019865 , LON : -78.385486 , DEPTH : 804.8376 m, TEMP : 8.92544 C, SAL : 35.1613 PSU, DO : 4.81383 mg/l [16:54:50] iscwatch leaves the room: Replaced by new connection [16:59:41] Stylocordyla or Loli pop sponge [16:59:46] LAT : 31.020034 , LON : -78.385435 , DEPTH : 804.9152 m, TEMP : 8.92462 C, SAL : 35.16136 PSU, DO : 4.80006 mg/l [17:00:03] viperfish, Chauliodus [17:00:16] GOODDD [17:00:19] lovely one [17:01:10] Fishes seen looking back through video: the Beryciform fish Hoplostetus sp., indeed related to Orange Roughly. Hoplostetus somewhat inappropriately called a slimehead. Another common name is sawbelly. Rather beautiful metallic blue to bronze. Next fish = vertical intensely silver Snake Mackerel or Cutlassfish, genus Benthodesmus due to long point on lower jaw and caudal fin present, if small. Next fish = the small Macrourid, Nezumia bairdii with a large parasitic isopod attached behind the dorsal fin. Isopod = Syscenis infelix. Next up is a black midwater fish, probably a species of Eustomias based on shape of head and long thin barbel + total black coloration [17:03:00] Good stuff Ken! [17:04:46] LAT : 31.020175 , LON : -78.385377 , DEPTH : 804.5804 m, TEMP : 8.92197 C, SAL : 35.16064 PSU, DO : 4.79456 mg/l [17:04:57] mariadiaz leaves the room [17:05:51] Oops - I missed one the first time through, a cusk-eel, probably Neobythites gilli, gray, slightly mottled, prominent lateral line canal, each pelvic fin with two rays, ruling out Monomitopus [17:06:29] the barbels are mdified pelvic fins [17:06:42] back again later [17:06:46] kennethsulak leaves the room [17:07:21] Conocrinus or Democrinus [17:07:42] Probably a ribbon worm... [17:07:46] nemirtina [17:07:47] nemertean [17:08:05] Ribbon worm = Nemertea (or Rynchocoela) [17:09:47] LAT : 31.020236 , LON : -78.385376 , DEPTH : 804.8014 m, TEMP : 8.9238 C, SAL : 35.16015 PSU, DO : 4.79276 mg/l [17:10:15] cutlassfish [17:13:20] Demospongia crust [17:14:47] LAT : 31.02026 , LON : -78.385342 , DEPTH : 804.9327 m, TEMP : 8.92437 C, SAL : 35.1616 PSU, DO : 4.77221 mg/l [17:14:49] batfish [17:15:26] F. Ogcocephalidae [17:17:11] slimehead refers to the family [17:18:00] jason wasn't looking [17:18:16] haha, no worries. [17:18:18] mariadiaz leaves the room [17:18:46] Limpet, maybe [17:18:51] scleractian [17:18:57] up side down [17:18:58] It looks alive... [17:19:27] Black coral on rock behind? [17:19:39] Just passed over it. [17:19:43] where? [17:19:45] okay [17:19:48] LAT : 31.020305 , LON : -78.385352 , DEPTH : 804.9314 m, TEMP : 8.92544 C, SAL : 35.1609 PSU, DO : 4.79106 mg/l [17:19:58] It was behind and to right of last close up [17:20:02] Bathypathes like [17:20:33] There it is [17:20:38] Just came in on left [17:20:53] Yup, a primnoid [17:21:10] That is what I saw. [17:21:19] Thanks [17:22:10] Yes the Haplosclerida [17:22:16] Lolipop [17:24:48] LAT : 31.020427 , LON : -78.385221 , DEPTH : 804.8849 m, TEMP : 8.9233 C, SAL : 35.16061 PSU, DO : 4.79924 mg/l [17:25:29] torpedo [17:26:48] torpedo ray = electric ray [17:29:06] looks like (which needs to be taken with a grain of salt) phosphorite, just without the ferromanganese coating [17:29:26] Both are primnoids [17:29:48] LAT : 31.020628 , LON : -78.385197 , DEPTH : 805.0012 m, TEMP : 8.92314 C, SAL : 35.15929 PSU, DO : 4.79479 mg/l [17:29:52] Coudl that have been a remanent of the mining? That is was scraped or dug and left there? [17:29:54] Can we routinely keep the lasers on and turn off only when beauty shots are needed? [17:30:03] Doesn't look like it was naturally there [17:30:49] Would be good for things like determining the size of that out-of-place rock [17:31:07] could be a natural remnant (i.e., wasn't eroded), but that is unlikely...the USGS dredge need here, so it could have been picked up and dragged here [17:32:07] Okay, thanks [17:34:35] Yes, isopod [17:34:49] LAT : 31.020743 , LON : -78.385134 , DEPTH : 804.9869 m, TEMP : 8.92248 C, SAL : 35.16016 PSU, DO : 4.78284 mg/l [17:34:57] munnopsid isopod [17:39:50] LAT : 31.020973 , LON : -78.384996 , DEPTH : 805.0115 m, TEMP : 8.92416 C, SAL : 35.16105 PSU, DO : 4.79333 mg/l [17:39:55] have been seeing some of the yellow cup corals, recently, so if you are stopped, might be worth trying to grab a nodule with one on it [17:41:01] Did you note the blue masses of eggs being held by the pleopods? [17:41:56] yup, we mentioned those. [17:42:48] just to be greedy, can you slurp a bunch of sediment as well? [17:43:14] looks like some bryozoans on that rock too [17:44:12] thanks [17:44:39] :yes: [17:44:50] LAT : 31.021044 , LON : -78.384946 , DEPTH : 804.8942 m, TEMP : 8.92253 C, SAL : 35.15994 PSU, DO : 4.79877 mg/l [17:49:51] LAT : 31.02106 , LON : -78.384947 , DEPTH : 804.8081 m, TEMP : 8.92095 C, SAL : 35.15912 PSU, DO : 4.78603 mg/l [17:50:36] And small Hexactinellida [17:51:34] I think the point may be that cup coral are very hard to collect, so picking up a cobble with them on it is a great collection. [17:54:51] LAT : 31.021257 , LON : -78.384849 , DEPTH : 804.9562 m, TEMP : 8.92625 C, SAL : 35.1608 PSU, DO : 4.78859 mg/l [17:59:51] LAT : 31.021285 , LON : -78.384864 , DEPTH : 804.6259 m, TEMP : 8.92972 C, SAL : 35.1613 PSU, DO : 4.78675 mg/l [18:02:49] Not complaints on getting all 3 :-) [18:04:52] LAT : 31.021335 , LON : -78.384804 , DEPTH : 804.8892 m, TEMP : 8.92742 C, SAL : 35.15982 PSU, DO : 4.80314 mg/l [18:06:16] @jason, any particular guidence on nodule sample processing? We typically just wash and dry [18:08:51] once the critters are off, a quick fresh water rinse then air dry for as long as possible before storing - similar to other rock samples [18:09:52] LAT : 31.021321 , LON : -78.384824 , DEPTH : 805.0393 m, TEMP : 8.92681 C, SAL : 35.16227 PSU, DO : 4.78102 mg/l [18:10:05] copy that [18:10:59] No problem, Jason. That sounds good. [18:13:15] Tongue fish? [18:14:30] Cynoglossidae? [18:14:53] LAT : 31.021438 , LON : -78.384939 , DEPTH : 804.8204 m, TEMP : 8.92467 C, SAL : 35.16099 PSU, DO : 4.79565 mg/l [18:15:17] You are on shaky ground if you are accepting my fish IDs! [18:16:00] Yikes! [18:17:08] yea me too! [18:17:08] mariadiaz leaves the room [18:19:53] LAT : 31.021622 , LON : -78.384765 , DEPTH : 804.3465 m, TEMP : 8.92477 C, SAL : 35.16111 PSU, DO : 4.78756 mg/l [18:19:59] bryozoan [18:20:08] dead bryo [18:20:21] oh wait nm not dead [18:20:30] I can see lophophores [18:22:13] That could have been a species of Cellaria which branches dichotomously like that [18:22:37] Shireen Gonzaga on Facebook asks: Why are so many of the rocks strewn on the sand sphericalish? What kind of rock is it? Are they coated in ferromanganese crust? [18:24:54] LAT : 31.021543 , LON : -78.384563 , DEPTH : 804.6154 m, TEMP : 8.92722 C, SAL : 35.16241 PSU, DO : 4.77544 mg/l [18:29:39] nice samll yellow demospongiae [18:29:43] mariadiaz leaves the room [18:29:54] LAT : 31.021708 , LON : -78.38472 , DEPTH : 804.4792 m, TEMP : 8.92676 C, SAL : 35.16186 PSU, DO : 4.78759 mg/l [18:30:37] small yellowish demospongiae on the cobbles [18:31:42] :yes: [18:34:55] LAT : 31.02179 , LON : -78.384418 , DEPTH : 804.3492 m, TEMP : 8.92696 C, SAL : 35.16243 PSU, DO : 4.80543 mg/l [18:35:38] this sponge looks depressed [18:38:18] It was interesting that there was no apparent Mn crust (that I saw) on the block that has been down there for quite a while [18:39:37] 2 mm/million years [18:39:55] LAT : 31.021879 , LON : -78.384289 , DEPTH : 804.1118 m, TEMP : 8.92549 C, SAL : 35.16257 PSU, DO : 4.79947 mg/l [18:41:02] Could you please repeat what the pilot said about the camera. We can't hear the pilot on the conference line. Thanks. [18:43:06] tinamolodtsova leaves the room [18:44:56] LAT : 31.021685 , LON : -78.384781 , DEPTH : 804.4911 m, TEMP : 8.9289 C, SAL : 35.16217 PSU, DO : 4.79402 mg/l [18:47:32] branchy thing above the white coral is bryo [18:47:35] Very very different today. WHat do you think stops soft coral and hard coral to develop gere [18:47:43] here [18:47:49] just kidding [18:47:53] it's a coral [18:47:55] haha [18:49:56] LAT : 31.021596 , LON : -78.384772 , DEPTH : 804.076 m, TEMP : 8.92742 C, SAL : 35.1621 PSU, DO : 4.7918 mg/l [18:52:00] some type of Astrophorida, that white massive [18:54:57] LAT : 31.021673 , LON : -78.384983 , DEPTH : 804.4547 m, TEMP : 8.9261 C, SAL : 35.16146 PSU, DO : 4.7944 mg/l [18:59:57] LAT : 31.021605 , LON : -78.385149 , DEPTH : 804.277 m, TEMP : 8.92197 C, SAL : 35.16006 PSU, DO : 4.77668 mg/l [19:04:58] LAT : 31.021742 , LON : -78.385284 , DEPTH : 804.3143 m, TEMP : 8.91947 C, SAL : 35.15959 PSU, DO : 4.78007 mg/l [19:08:15] looks like a small slime star? [19:08:22] I could be wrong [19:08:38] and nice bryozoan colony [19:09:39] It is the same color than the light yellowish demospongia to its side [19:09:58] LAT : 31.021701 , LON : -78.3854 , DEPTH : 804.4275 m, TEMP : 8.91397 C, SAL : 35.15786 PSU, DO : 4.769 mg/l [19:10:35] Copepod parasite? [19:10:43] no, cutthroat eels don't mate like anglers. [19:10:53] We saw a tiny sea star last year called Marginaster [19:12:03] 'ravioli star' haha [19:13:02] It is eating on a Astrophorid [19:14:59] LAT : 31.021778 , LON : -78.385536 , DEPTH : 804.4001 m, TEMP : 8.91229 C, SAL : 35.1581 PSU, DO : 4.77369 mg/l [19:16:31] Stylaster [19:19:59] LAT : 31.021574 , LON : -78.385771 , DEPTH : 804.6289 m, TEMP : 8.9128 C, SAL : 35.15785 PSU, DO : 4.76299 mg/l [19:21:29] eating on a Demospongia [19:21:33] iscwatch leaves the room: Replaced by new connection [19:21:42] or someone that lives on this sponge [19:22:03] Maybe gets the toxins form th esponge [19:22:17] mariadiaz leaves the room [19:22:41] Yay Kleptocnidy! [19:23:49] I agree -- squid ink. [19:24:21] they are shiny [19:25:00] LAT : 31.021602 , LON : -78.386035 , DEPTH : 804.6178 m, TEMP : 8.91183 C, SAL : 35.15718 PSU, DO : 4.78072 mg/l [19:25:23] can we zoom out to the max to get a better view of the landscape? [19:25:36] things look different here? Thanks [19:26:06] thank you [19:26:55] :yes: [19:27:15] heatherjudkins leaves the room [19:28:12] we are approaching the mid-point region of where the test mining occurred, so we might be seeing the results of that in the change in bottom [19:28:42] ooo if you see it before we do, please feel free to chime in [19:30:00] LAT : 31.021601 , LON : -78.386309 , DEPTH : 804.4165 m, TEMP : 8.91004 C, SAL : 35.15725 PSU, DO : 4.77158 mg/l [19:31:43] interesting looking for seeing this. [19:35:01] LAT : 31.021694 , LON : -78.386316 , DEPTH : 804.3987 m, TEMP : 8.9102 C, SAL : 35.15739 PSU, DO : 4.77603 mg/l [19:35:39] there is a knobby Demospongiae to the left of this coral [19:37:21] Pachastrellidae [19:40:01] LAT : 31.021775 , LON : -78.386246 , DEPTH : 804.4424 m, TEMP : 8.91004 C, SAL : 35.15724 PSU, DO : 4.77624 mg/l [19:40:21] Did I see an unusual bottom feature to the left? [19:43:10] can we check what Mike might have seen? [19:43:39] Well pan out again [19:43:44] *we'll [19:44:18] Amazing video!!! [19:45:01] LAT : 31.021725 , LON : -78.38608 , DEPTH : 798.7909 m, TEMP : 8.91397 C, SAL : 35.15871 PSU, DO : 4.78358 mg/l [19:45:07] We were guessing it was 'fishing'! [19:45:44] jimmasterson leaves the room [19:46:14] Do you see the feature, Michael [19:46:16] ? [19:46:52] thought I saw more fine sediement and a bit of a liner feature [19:47:07] Oh there were some sand patches with ripples. [19:47:15] *linear but don't see it now, hard to tell scale of course [19:47:35] Hello all [19:47:40] @Michael, I think we can hear your typing. Could you mute your phone? [19:47:46] may have just been that, thanks for the pan out and rotation that was cool [19:47:54] Please mute your phone :-D [19:47:57] oops, sorry, had to switch headsets [19:47:58] :yes: [19:48:08] HAHAHAHA no worries [19:48:15] Hi Asako! [19:49:50] Are you planning to get nodules? [19:50:02] LAT : 31.021998 , LON : -78.38624 , DEPTH : 804.3811 m, TEMP : 8.91636 C, SAL : 35.15659 PSU, DO : 4.76412 mg/l [19:50:13] Hi Kim! [19:50:15] we did collect one earlier with a cup coral on it (2 birds, 1 stone) [19:55:02] LAT : 31.02207 , LON : -78.38624 , DEPTH : 804.1436 m, TEMP : 8.91264 C, SAL : 35.15766 PSU, DO : 4.77297 mg/l [19:56:42] I wanna see the squid too. [19:57:16] Stylocordyla, maybe S. muta (Schmidt, 1880) [19:58:14] Yesterday, Linda Stalnaker on Twitter asked Do squid swim backwards? It seem like their eyes are way back on their bodies. [19:58:18] Another bird squid, Ornithoteuthis antillarum. [19:59:17] see http://tolweb.org/Ornithoteuthis_antillarum/77433 [20:00:03] LAT : 31.022185 , LON : -78.386259 , DEPTH : 804.1532 m, TEMP : 8.91066 C, SAL : 35.15705 PSU, DO : 4.7742 mg/l [20:00:12] CherylMorrison leaves the room [20:01:37] the short answer is yes, they swim mostly backwards, but can reverse direction rapidly. [20:01:59] Copepod parasite [20:02:16] egg sacs trailing behind [20:03:00] Gotta love the invertebrates taking full advantage of their habiotat opportunities [20:03:19] mouth parts of parasitic cope are permanently buried in the muscle of the fish. [20:03:30] Ergasilid copepod? [20:05:01] Nice overview of the diversity here: https://www.wildlife.ca.gov/Conservation/Marine/Parasites [20:05:05] LAT : 31.022334 , LON : -78.386268 , DEPTH : 802.4753 m, TEMP : 8.91004 C, SAL : 35.15706 PSU, DO : 4.75754 mg/l [20:06:40] jimmasterson leaves the room [20:07:47] would be great if another nodule can be sampled before leaving bottom [20:08:48] Note on Deep nodule enigma... formation rate of nodules much slower than apparent sedimentation rate...why haven't these fields been burried? [20:08:50] testing area was limited, so not everything in the area was disturbed. The hope is we can identify which parts were and weren't [20:09:16] michaelvecchione leaves the room [20:09:23] worth noting that only part of today's transect took us over the likely historic mining site, so not the full area we're observing today [20:09:38] (just saw Jason say the same thing) [20:09:41] I will make note, thank you. [20:09:49] Nive fan shapes, I would say Pachastrellidae [20:10:04] LAT : 31.022437 , LON : -78.386237 , DEPTH : 803.7686 m, TEMP : 8.91086 C, SAL : 35.15674 PSU, DO : 4.76879 mg/l [20:10:46] @Robert, it could be that the current systems are also winnowing out a lot of the sediments. [20:11:58] thank you for clarifying for public [20:12:41] Absolutely. We want to make sure we're giving the best information. [20:13:59] Have we officially gone over the area where the test site was? [20:14:52] There are 15 species of sponges that I am accounting in this dive. [20:14:59] Isnt this Hyalonema? [20:15:03] Last fish likely greeneye, Family Chloropthalmidae [20:15:05] LAT : 31.022614 , LON : -78.386143 , DEPTH : 803.7342 m, TEMP : 8.91244 C, SAL : 35.15691 PSU, DO : 4.76421 mg/l [20:15:46] can you collect the cobbes? [20:16:31] we collecte some cobbles already [20:16:41] we *collected [20:17:02]