NA149_H1953_(3of7)_20230525_050544Z
Channel: Nautilus Live Dive Recordings
Date: 2023-07-20

This playlist includes recordings of all ROV Hercules dives conducted during a single Ocean Exploration Trust expedition aboard E/V Nautilus. Each dive is divided into two-hour segments. File names include:

Cruise ID_Dive Number_ File(XofX) _Date[yyyy-mm-dd]_Time[hhmmss]z

All files are recorded in UTC-0, the same way they are recorded by ROV Hercules' primary imaging camera.

The chapter observations presented were recorded in the data log in real-time by the scientists and data loggers aboard the ship. These are preliminary observations only. Data has not been QA/QCed or otherwise verified, and may be incomplete, contain inaccuracies, identification and spelling errors.

Scientific/research requests for the full video or for sub-sets of video can be made at https://nautiluslive.org/join/scientists-ashore-program. Please note that the YouTube videos may be incomplete and are not the full-resolution video. For press inquiries or licensing requests for reuse, please contact press@oet.org.

0:00:35 - Note: chrysogorgia 
0:01:15 - Note: also iridigorgia
0:01:52 - Note: rock pen
0:02:32 - Note: rocky substrate with sandy patches, occasional crinoids
0:02:59 - Note: heading ~240 degrees at ~1300 m
0:03:25 - Note: black coral
0:03:48 - Note: with shrimp associate
0:04:50 - Note: barnacles at base
0:06:28 - Note: iridigorgia, chrysogorgia, bubble gum coral, sponge, crinoid
0:09:58 - Note: umbellula sea pen, crinoids
0:10:47 - Note: large sea pen
0:12:17 - Note: passing north of wp2
0:13:11 - Note: paramuriceid with venus fly trap anemone
0:13:59 - Note: paramuriceids
0:15:55 - Note: sponge
0:16:57 - Note: sponge?
0:17:16 - Note: iridigorgia and chrysogorgia
0:17:46 - Note: anthomastus mushroom corals, hemicorallium
0:19:01 - Note: paramuriceid
0:20:13 - Note: still low abundance clusters of similar species of corals
0:20:49 - Note: sponge and crinoid
0:23:02 - Note: sandy substrate with scattered boulders, still heading west ~250 degrees at about 1280 m
0:23:33 - Note: glass sponge
0:25:35 - Note: primnoiid with brittle star, bamboo coral
0:27:53 - Note: sponges
0:28:50 - Note: walteria sponge and nurella
0:29:42 - Note: pompom anemone
0:30:53 - Note: venus fly trap anemone with crinoids
0:31:41 - Note: slight reduction in oxygen as depth decreases
0:31:54 - Note: currently at ~1280 m
0:32:03 - Note: anemone
0:33:26 - Note: venus fly tap anemone on dead chrysogorgia
0:34:23 - Note: sea pens
0:35:24 - Note: paramuriceid
0:37:07 - Note: cusk eel and ophidiid
0:37:21 - Note: anemone
0:39:46 - Note: paramuriceids
0:39:55 - Note: sponge
0:42:04 - Note: chrysogorgia
0:44:00 - Note: still continuing up towards wp3, heading ~250 degrees, at ~1270 m
0:44:25 - Note: rocky substrate with sandy patches
0:44:40 - Note: anemone
0:46:04 - Note: bamboo coral internodal branching with venus fly trap anemone
0:46:37 - Note: iridigorgia
0:47:30 - Note: ship is stopped, hanging out while starting watch change
0:56:12 - Note: ship move starting
0:56:29 - Note: bamboo coral sighting
0:58:22 - Note: substrate is currently boulders and rocks encrusted in sand
0:59:36 - Note: possible anemone sighting and soft corals from far
1:00:49 - Note: Chrysogorgia sighting
1:01:01 - Note: with squad lobster associates
1:01:49 - Note: yellow soft coral sighting
1:02:39 - Note: shrimp associate to previous chrysogorgia sighting
1:03:12 - Note: continuing transit upwards the slope
1:03:41 - Note: unhealthy Heuplexela?, and Ferridae sponge
1:04:26 - Note: Paramuricia sightings (plexaurids)
1:05:43 - Note: Holothurian sighting
1:06:09 - Note: Farridae sponge sighting
1:06:29 - Note: Crinoid sightings
1:06:47 - Note: Unhealthy crinoid
1:07:53 - Note: Crinnoid growing from another stalked crinnoid
1:08:41 - Note: multiple Plexaurids
1:09:00 - Note: small glass sponge
1:09:30 - Note: cmultiple crinoid sightings
1:10:53 - Note: multiple crab sightings under rocks
1:11:31 - Note: possible juvenile paramuricia?
1:11:49 - Note: up close sighting of two crabs with anemones
1:13:07 - Note: possible anthropods
1:14:04 - Note: juvenile plexaurids sightings
1:21:59 - Sample: "Paramurcea" yellow coral clipping (two clippings made) (Sample ID: NA149-045) (Sample Type: ROVGrab)
1:23:12 - Note: possible cusk eel sighting
1:24:29 - Note: possible id for previous crabs: Parapaguridae Parapagus
1:25:1 - Note: "rock" pen sighting
1:26:05 - Note: DC ground fault on Herc
1:26:20 - Note: sparsely distributed crinoid sightings
1:26:39 - Note: masive crinoid head sighting
1:27:18 - Note: continuing transit towards WP 3
1:28:03 - Note: Narella and plexaurids cluster, with sea star associates
1:28:24 - Note: brittle stars*
1:29:26 - Note: "venus fly trap" anemone on a Cliptophora primnoid
1:29:40 - Note: pervious coral has multiple brittle star associates
1:30:10 - Note: multiple hydroids
1:30:56 - Note: Chrysogorgia sightings
1:31:51 - Note: Holothurian sighting
1:32:26 - Note: Chrysogorgia geniculata (for previous coral id)