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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
© Marine Institute, MERC Consultants, Bernard Picton 2022