Marine Institute
SeaRover Dive Video

D700 Transect 54 Uniform biotope of muddy slope with scattered sea anemones and hermit crabs. Water depth: 660m. Feature: Slope feature

Highlights: Galatheids? Krill Plastic litter Anemones Plastic piping & cerianthid anemones Anemone catching and eating krill

Of Note: Abundant juvenile squat lobsters and dense krill.

Soft sediment with numerous juvenile Munida sp. Juvenile squat lobsters also frequent. Cup corals, hermit crabs and the anemone Actinauge sp. are commonly observed. In one area a large number of hermit crabs were encountered. Periodically there were also dense patches of sponge. The second half of the dive was dominated by numerous Bolocera sp. anemones together and a variety of sea pens, mainly Kophobelemnon sp. Some litter is present.

START VIDEO [00:00:00]/01:10. Uniform biotope of muddy slope with scattered sea anemones and hermit crabs. Small shrimps populated the entire dive and sometimes they obstruct the vision. [1] [00:07:00] abundant shrimps in this part of the transect with scattered eels. [2] [00:13:00] Here small holothurians (<2cm long) fields on muddy slope. [00:18:00] Rubbish. [00:29:00] Here an aggregation of Paguridae. [3] [00:50:00] Sea anemones are recorded very frequently in this part of the transect. [00:52:00] Large field of Sagartiidae sp. 3. [01:12:00] ROV stops for imagery of Sagartiidae sp. 3. [01:16:00] ROV stops for sampling two push cores. VIDEO END [01:20:00]/02:28.

Progression Start Duration Code Name

Cnidaria
Pachycerianthus multiplicatus : 458 : O
Actiniaria sp. 18 : 582 : R
Actiniidae sp. (sand Bolocera) : 41 : F
Actinauge richardi : 499 : R
Adamsia sp. : 1066 : R
Phelliactis sp. 1 : 255 : R
Flabellum sp. : 1056 : R
Kophobelemnon stelliferum : 442 : R
Protoptilum sp. : 434 : R
Scyphozoa (indet.) : 1134 : R
Arthropoda

Munida tenuimana : 339 : R
Paguridae sp. : 205 : F
Caridea (indet.) : 1077 : R
Bathynectes sp. : 235 : R
Eucarida sp. : 1106 : R
Nemertina
Nemertina sp. : 384 : R
Echinodermata
Brisingidae sp. : 274 : R
Zoroaster fulgens : 988 : R
Parastichopus tremulus : 266 : R
Chordata

Synaphobranchus kaupii : 440 : R
Coryphaenoides rupestris : 566 : R
Lepidion eques : 249 : R
Phycis blennoides : 1020 : R
Trichiuridae sp. : 1303 : R
Lepidorhombus boscii : 441 : R

Number of species = 25

© Marine Institute, MERC Consultants, Bernard Picton 2022