Marine Institute
SeaRover Dive Video

D685 Transect 5 Stalked crinoids and a few burrows on gentle/moderate slope of soft sediment with sparse echinoids and the sea pen Anthoptilum. P2. Water depth: 2511-2487m. Feature: Canyon, escarpment

Highlights: Stalked crinoids Sea pens & stalked crinoids Antipatharian coral - Bathypathes

Of Note: Stalked crinoids and burrows.

Soft sediment with stalked crinoids and burrows. Occasionally the crinoids have ophiuroids on them. A variety of sea pens including Anthoptilium are observed. Anemones are rare but include Phelliactis and cerianthids. Occasional echinoids are observed. Fish species include eels and grenadiers.

START VIDEO [00:00:00]/06:51. Stalked crinoids and a few burrows on gentle/moderate slope of soft sediment with sparse echinoids and Anthoptilum . [1] [00:01:00] ROV stops for sampling two pushcores. [00:49:00] Here a large cobble/small boulder host two individuals of Bathypathes sp.. [00:50:00] Still same biotope as in the beginning of the video; stalked crinoids and sparse echinoids with occasional Acanella arbuscula until END VIDEO [01:09:00]/07:53.

Progression Start Duration Code Name

Cnidaria
Cerianthidae sp. 1 : 2 : R
Actiniaria sp. (large red) : 1120 : F
Actiniaria sp. 18 : 582 : R
cf. Halcampoididae sp. : 984 : R
Phelliactis sp. 1 : 255 : R
Bathypathes sp. 1 : 328 : R
Flabellum sp. : 1056 : R
Chrysogorgidae sp. 1 : 1008 : R
Acanella arbuscula : 585 : O
Distichoptilum gracile : 1108 : R

Umbellula sp. : 581 : R
Arthropoda
Bathynectes sp. : 235 : R
Colossendeis sp. 1 : 1059 : R
Echinodermata
Democrinus sp. : 1103 : C
Ophiomusa lymani : 551 : R
Brisingidae sp. : 274 : R
Pseudarchaster sp. 1 : 433 : R
Hygrosoma sp. : 1125 : R
Phormosoma placenta : 555 : F

cf. Benthogone sp. (white) : 574 : R
Chordata
Coryphaenoides rupestris : 566 : R
Polyacanthonotus rissoanus : 552 : R
Notacanthiformes sp. 1 : 1012 : R

Number of species = 23

© Marine Institute, MERC Consultants, Bernard Picton 2022