 | |||||
|
|||||
| About | Mapping | Dive list | Listed species | Pressures | Species - OTUs |
D682 Transect 33 Homogenous biotope of mud and scattered species of sea urchin. P1. Water depth: 1170-1166m. Feature: Shallow ridge.
Highlights: Anemone - Phelliactis & Fish - Trachyscorpia cristulata
Of note: Foraminifera field.
Soft muddy substrate throughout. Fauna is sparse and primarily the anemones Bolocera sp. and cerianthids, and the echinoid Hygrosoma. Extensive field of foraminiferans (xenophyphores) observed.
START VIDEO [00:00:00]/03:31. The entire dive is set on a homogenous biotope of mud and scattered species of sea urchin . [1] [00:01:00] ROV stops for sampling two pushcores. [01:16:00] Mud cloud. [01:24:00] ROV stops for imagery and collection of Syringammina fragilissima. [01:35:00] ROV stops for sampling glass bottle (bottle broke in pieces). [01:46:00] ROV stops until END VIDEO [01:46:00]/05:17.
| Progression | Start | Duration | Code | Name |
|---|---|---|---|---|
| 1 | [00:00:00] | 01:46:58 | M.AtMB.Mu | Atlantic mid bathyal mud |
Foraminifera
Syringammina fragilissima : 261 : R
Cnidaria
Cerianthidae sp. 1 : 2 : R
Pachycerianthus multiplicatus : 458 : R
Actiniaria sp. 1 : 4 : R
Actiniaria sp. 18 : 582 : R
Actiniaria sp. 28 : 980 : R
cf. Halcampoididae sp. : 984 : R
Actinoscyphiidae sp. 1 (pink) : 1047 : R
Actinostolidae sp. 1 : 132 : R
Phelliactis sp. 1 : 255 : R
Halipteris cf. finmarchica : 622 : R
Pennatula inflata : 1183 : R
Umbellula sp. : 581 : R
Arthropoda
Paguridae sp. : 205 : 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
Ophiuroidea sp. 10 : 640 : R
Zoroaster fulgens : 988 : R
Pseudarchaster sp. 1 : 433 : R
Porania sp. : 263 : R
Echinus sp. : 445 : F
Cidaris cidaris : 211 : R
Hygrosoma sp. : 1125 : R
Phormosoma placenta : 555 : R
Echinoidea sp. 1 : 279 : R
Chordata
Deania calcea : 1139 : R
Hydrolagus cf. mirabilis : 1024 : R
Synaphobranchus kaupii : 440 : R
Ipnopidae sp. : 1078 : R
Beryx decadactylus : 1025 : R
Nezumia aequalis : 1003 : R
Coryphaenoides rupestris : 566 : R
Trachyrincus sp. : 446 : R
Lepidion eques : 249 : R
Mora moro : 349 : R
Polyacanthonotus rissoanus : 552 : R
Trachyscorpia cristulata : 1216 : R
Actinopterygii sp. 3 : 930 : R
Number of species = 43
© Marine Institute, MERC Consultants, Bernard Picton 2022