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| About | Mapping | Dive list | Listed species | Pressures | Species - OTUs |
D693 Transect 10 Uniform biotope of gentle/moderate muddy slope with abundant epifauna throughout, including solitary scleractinians and holothurians. P1. Water depth: 1239-1215m. Feature: Ridge
Highlights: Sea pen & chimaera Sea cucumbers & cup corals Sea pen Sea pen & sea cucumbers
Of Note: No Pheronema.
This site was selected as a potential location for Pheronema sponges as per the predictive ecological model, however none are observed. There is a gentle, muddy slope on which the holothurian Laetmogone sp. and cup corals are frequently observed. An unknown sea pen was sampled for identification.
START VIDEO [00:00:00]/15:38. Uniform biotope of gentle/moderate muddy slope with abundant epifauna throughout, including solitary scleractinians and holothurians. [1] [00:01:00] ROV stops for pushcores. [00:47:00] A big burrow (between 1 and 2 m wide) on the soft sediment encountered; origin is unknown. [01:35:00] ROV stops for imagery and sampling of sea pen. [02:00:00] Same biotope of cup corals and sea cucumbers on soft sediment until END VIDEO [02:05:00]/17:31.
| Progression | Start | Duration | Code | Name |
|---|
Foraminifera
Syringammina fragilissima : 261 : R
Cnidaria
Cerianthidae sp. 1 : 2 : R
Actiniaria sp. 18 : 582 : R
Actiniaria sp. 20 : 605 : R
Phelliactis sp. 1 : 255 : R
Caryophyllia sp. 2 : 6 : A
Caryophyllia sp. 5 (bullseye) : 584 : R
Flabellum sp. : 1056 : R
Metallogorgia/Iridogorgia or Cirripathes : 994 : R
cf. Halipteris sp. : 1060 : R
Pennatulacea sp. 3 (submerged axis) : 1191 : R
Protoptilum sp. : 434 : R
Umbellula sp. : 581 : R
Arthropoda
Munida tenuimana : 339 : R
Caridea (indet.) : 1077 : R
Munnopsidae sp. : 1102 : R
Mollusca
Graneledone sp. 1 : 937 : R
Teuthida sp. 1 : 1017 : R
Hypsogastropoda sp. : 621 : R
Echinodermata
Pentametrocrinus atlanticus : 436 : R
Crinoidea sp. 1 : 131 : R
Brisingidae sp. : 274 : R
Zoroaster fulgens : 988 : R
Pseudarchaster sp. 1 : 433 : F
Echinus sp. : 445 : R
Cidaris cidaris : 211 : O
Phormosoma placenta : 555 : R
Mesothuria intestinalis : 536 : R
Parastichopus tremulus : 266 : R
Holothuroidea sp. (pink deep) : 1179 : C
Holothuroidea sp. 5 : 963 : R
Chordata
Ascidiacea sp. 2 : 20 : R
Hydrolagus cf. mirabilis : 1024 : R
Coryphaenoides rupestris : 566 : R
Mora moro : 349 : R
Polyacanthonotus rissoanus : 552 : R
Number of species = 36
© Marine Institute, MERC Consultants, Bernard Picton 2022