 | |||||
|
|||||
| About | Mapping | Dive list | Listed species | Pressures | Species - OTUs |
D691 Transect 8 Uniform biotope from start to end. Dominant holothurian aggregations on muddy/soft sediment slope. P1. Water depth: 1292m. Feature: Ridge
Highlights: Sea cucumber Sea cucumber
Of Note: Very small, possibly juvenile chimerids..
The sediment is soft with burrows (some with galatheids). Fauna is sparse and includes cup corals, cerianthids, asteroids crinoids, sea pens and a variety of holothurian species. An expected Pheronema aggregation, nor any individual sponges are observed.
START VIDEO [00:00:00]/06:35. Uniform biotope from start to end. Dominant holothurian aggregations on muddy/soft sediment slope. [1] Biotope is predominantly holothurians and Zoroaster fulgens on muddy slope. ROV stops for two pushcores. END VIDEO [01:03:00]/07:33.
| Progression | Start | Duration | Code | Name |
|---|
Cnidaria
Cerianthidae sp. 1 : 2 : R
Actiniaria sp. 20 : 605 : R
Phelliactis sp. 1 : 255 : R
Pennatulacea sp. 3 (submerged axis) : 1191 : R
Kophobelemnon stelliferum : 442 : R
Arthropoda
Munida tenuimana : 339 : R
Caridea (indet.) : 1077 : R
Mollusca
Muusoctopus johnsonianus : 1194 : R
Echinodermata
Crinoidea sp. 1 : 131 : R
Brisingidae sp. : 274 : R
Zoroaster fulgens : 988 : R
Porania sp. : 263 : R
Cidaris cidaris : 211 : R
Phormosoma placenta : 555 : R
Mesothuria intestinalis : 536 : R
Holothuroidea sp. (pink deep) : 1179 : R
Chordata
Hydrolagus cf. mirabilis : 1024 : R
Synaphobranchus kaupii : 440 : R
Ipnopidae sp. : 1078 : R
© Marine Institute, MERC Consultants, Bernard Picton 2022