Marine Institute
SeaRover Dive Video

D697 Transect 11 Uniform biotope across the dive featuring rippled muddy sand slope hosting sea anemones and sea urchins. P1. Water depth: 1206-1228m. Feature: Slope

Highlights: Brittlestar

Soft sediment, muddy flat/gentle slope throughout the whole dive. Predominantly featureless with sparse fauna. Cutthroat eels are present from start to finish.

START VIDEO [00:00:00]/15:02. Uniform biotope across the dive featuring rippled muddy sand slope hosting sea anemones and sea urchins. [1] [00:01:00] ROV samples three push cores (one of them was unsuccessful core lid detached from the core tube). Echinus sp. and Zoroaster fulgens are the dominant epifauna found on mud for the entire dive. VIDEO END [01:03:00]/16:05.

Progression Start Duration Code Name

Cnidaria
Cerianthidae sp. 1 : 2 : R
cf. Halcampoididae sp. : 984 : R
Adamsia sp. : 1066 : R
Epizoanthus sp. 1 (Paguridae associated) : 317 : R
Umbellula sp. : 581 : R
Arthropoda
Paguridae sp. : 205 : R
Caridea (indet.) : 1077 : R
Mollusca
Graneledone sp. 1 : 937 : R
Graneledone verrucosa : 973 : R
Teuthida sp. 1 : 1017 : R

Hypsogastropoda sp. : 621 : R
Echinodermata
Crinoidea sp. 1 : 131 : R
Brisingidae sp. : 274 : R
Zoroaster fulgens : 988 : O
Pseudarchaster sp. 1 : 433 : R
Echinus sp. : 445 : R
Hygrosoma sp. : 1125 : O
Echinoidea sp. 1 : 279 : R
Holothuroidea sp. (pink deep) : 1179 : R
Chordata
Rajidae sp. 2 : 382 : R
Rajiformes sp. 1 (Neoraja caerulea?) : 652 : R

Synaphobranchus kaupii : 440 : C
Ipnopidae sp. : 1078 : R
Nezumia aequalis : 1003 : R
Coryphaenoides rupestris : 566 : R
Trachyrincus sp. : 446 : R
Lepidion eques : 249 : R

Number of species = 27

© Marine Institute, MERC Consultants, Bernard Picton 2022