Main Ref. | Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko, 2003 |
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Remarks | Occurs at depths between 50 to 100m (Ref. 96391). Sessile (Ref. 3123). Solitary (Ref. 2377). Dwells in fine muddy clay substrates. Recorded from 3.5% salinity and temperatures of 6°C to 7°C. Predatory (Ref. 128428). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Benthic: sessile; Soft Bottom: sand ( fine, ); silt; mud; |
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Substrate Ref. | Callaway, R., J. Alsvag, I. de Boois, J. Cotter, A. Ford, H. Hinz, S. Jennings, I. Kroncke, J. Lancaster, G. Piet, P. Prince and S. Ehrich, 2002 |
Special habitats | |
Special habitats Ref. |
Ref. | Vader, W., 1970 |
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Associations | commensalism; |
Associated with | Onisimus normani; Aristias neglectus. |
Association remarks | Juvenile Onisimus normani enter during the summer and live in association until autumn of the next year. Associated amphipods spend some time in the gastrovascular cavity of the host. |
Parasitism |
Feeding type | |
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Feeding type Ref. | |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Vader, W., 1970 |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.52 | 0.55 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |