Description of biotope or habitat type
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Cidarid urchin assemblage on Atlantic upper bathyal coarse sediment
Physical habitat description
| Salinity | Full (30-35 ppt) |
|---|---|
| Wave exposure | |
| Tidal streams | |
| Substratum | Coarse sediment - sand with gravel, pebbles and cobbles |
| Zone | Atlantic upper bathyal |
| Depth Band | Biotope depth range 200 - 600 m (based on zone); assemblage recorded from 184 - 1062 m |
| Other Features |
Download comparative physical and biological data. The comparative tables enable a rapid comparison of the species composition and principal physical characteristics between a given set of biotopes.
- Records used to define the biotope (core records)
- Other records assigned to this biotope, marked as 'certain'
- Other records assigned to this biotope, marked as 'uncertain'
- Predicted extent of the level 3 (for sublittoral rock & deep sea) or 4 (for sublittoral sediment) habitat
Point data based on records in the UK Marine Recorder Snapshot. Predicted habitat extent is from UKSeaMap.
Description
This biotope is characterised by sparse and occasionally agreggated Cidarid urchins on gravelly sand substrates. The same epifaunal assemblage is also found on sand and in the mid bathyal but associated infauna are likely to differ. Characterising species listed refer to all Cidarid urchins assemblages not just those found associated with the zone and substrate specified in this biotope.
Situation
No situation data available.
Temporal variation
No temporal variation data available.
Characterising species
| Taxon | % of core records where taxon was recorded |
|---|---|
| Cidaris cidaris | |
| Parastichopus tremulus | |
| Spatangus raschi | |
| Caryophyllia | |
| Cerianthidae | |
| Bolocera tuediae | |
| Ophiuroidea |
Similar biotopes or habitat types
M.AtMB.Co.UrcCom.CidUrc
The same epifaunal assemblage in the mid bathyal. Associated infauna are likely to differ.
M.AtMB.Sa.UrcCom.CidUrc
The same epifaunal assemblage in the mid bathyal on sand. Associated infauna are likely to differ.