| Κύρια Αναφ. | Ebert, D.A., L.J.V. Compagno and P.D. Cowley, 1992 |
|---|---|
| Σχόλια | Found almost exclusively on the lower slope of the Catalan Sea, western Mediterranean (Ref. 40720). Found on continental slopes and abyssal plains (Refs. 6871, 117245); usually in water temperature of 5-13°C (Refs. 5951, 117245). Feeds mainly on fishes (including sharks) and cephalopods (Ref. 6871), also gastropods and cetacean meat (Ref. 5578). Demersal. Active predator. Ovoviviparous (Ref. 117245). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | Benthic: demersal; |
|---|---|
| Substrate Ref. | Coad, B.W. and J.D. Reist, 2018 |
| Special habitats | |
| Special habitats Ref. |
| Αναφ. | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Τροφικός Τύπος | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Ebert, D.A., L.J.V. Compagno and P.D. Cowley, 1992 |
| Τροφική Συνήθεια | hunting macrofauna (predator) |
| Feeding habit Ref. | Ebert, D.A., L.J.V. Compagno and P.D. Cowley, 1992 |
| Estimation method | Αρχικό δείγμα | Μη αλιευμένος πληθυσμός | Σχόλιο | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Από σύσταση δίαιτας | 4.48 | 0.13 | 4.48 | 0.46 | Troph of juv./adults from 4 studies. |
| Από ατομικά τροφικά αντικείμενα | 4.26 | 0.52 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Αναφ. | Carrassón, M., C. Stefanescu and J.E. Cartes, 1992 | ||||