Marine Institute
SeaRover Dive Video

D698 Transect 19 Rippled sand biotope with sparse epifauna. P3. Water depth: 602m. Feature: Slope

Of Note: Trawl marks..

Predominantly featureless soft sediment on flat/gentle slope throughout dive. Dense krill swarms initially with some scabbard fish. Occasional hermit crabs are the only observed fauna. Old trawl lines are visible on seafloor and on sonar.

START VIDEO [00:00:00]/18:56. Rippled sand biotope with sparse epifauna. [1] The dive features a homogeneous biotope of rippled sand with no dominant epifauna. [00:31:42] Interesting. An aggregation of shrimps (Caridea indet.) found on the first 10 minutes of the transect. VIDEO END [00:46:00]/19:35.

Progression Start Duration Code Name

Cnidaria
Pachycerianthus multiplicatus : 458 : R
Actinauge richardi : 499 : R
Adamsia sp. : 1066 : R
Arthropoda
Paromola cuvieri : 304 : R
Paguridae sp. : 205 : R
Caridea (indet.) : 1077 : F
Bathynectes sp. : 235 : R

Eucarida sp. : 1106 : R
Mollusca
Hypsogastropoda sp. : 621 : R
Echinodermata
Hygrosoma sp. : 1125 : R
Parastichopus tremulus : 266 : R
Holothuroidea sp. 5 : 963 : R
Chordata
Synaphobranchus kaupii : 440 : R

Phycis blennoides : 1020 : R
Aphanopus carbo : 1097 : R
Trichiuridae sp. : 1303 : R

Number of species = 16

© Marine Institute, MERC Consultants, Bernard Picton 2022