NA149_H1955_(8of9)_20230527_212613Z
Channel: Nautilus Live Dive Recordings
Date: 20/07/2023

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.

0:01:14 - Note: echinoderm sighting
0:01:56 - Note: cerianthoria, an a id confirmation for a previous anemone sighting in this watch
0:03:04 - Note: susbtrate has gained relief but similar to previous updates, now heavily encrusted rocks with FeMn crust on sand bottom
0:04:31 - Note: Chrysogorgia sighting
0:04:41 - Note: possible primnoid id
0:05:51 - Note: previous id correction, diseased isididae coral completely covered in yellow zoanthids, hydroids, barnicles and ophiruoids.
0:06:16 - Note: anemone associate on previous diseased coral too
0:13:50 - Note: Chrysogorgiidae in high abundance (geniculata, metallogorgia, chrysogorgiia)
0:14:34 - Note: Keratosidinae nodal coral sighting
0:14:52 - Note: with multiple ophiruoid associates and crionoids
0:15:30 - Note: black coral sighting
0:15:48 - Note: with a squad lobster associate
0:16:48 - Note: "Staropathes?" id for black corals previously sighted
0:18:33 - Note: going back to the top of the knoll
0:20:29 - Note: substrate changed to small encrusted rocks
0:24:46 - Sample: dark grey angular rock ~10x8x4cm (Sample ID: NA149-071) (Sample Type: ROVGrab)
0:26:18 - Note: holding position for upcoming watch change
0:27:35 - Note: Chrysogorgia sighting
0:27:40 - Note: Iridigorgia sighting'
0:28:06 - Note: id for previous Chrysogorgia: geniculata
0:42:56 - Note: seems to be many dead skeletons 
0:46:27 - Note: starting to see more biodiversity 
0:51:29 - Note: bamboo coral on top of hill 
0:55:31 - Note: sea star ID possible pterasteridae hymenaster
0:56:58 - Note: getting niskin sample 
0:57:59 - Sample: eDNA sample taken as background sample near minimal bio, but a few large bamboo fans in the vicinity (Sample ID: NA149-072) (Sample Type: ROVGrab)
1:00:50 - Dive Status:  ROV Off bottom 
1:00:54 - Dive Status:  ROV Off bottom 
1:01:06 - Note: starting recover 
1:06:37 - Note: testing out slurp still unsure of issue possible clog 
1:13:03 - Note: placing slurp back down