Ecology of Pagophilus groenlandicus
| Main Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
|---|---|
| Remarks | Live chiefly in pack ice, but can be found away from it in summer (Ref. 1394). Adults are highly gregarious; young seals tend to be solitary. Typically forms aggregations when feeding (Ref. 117964). Feeds on a variety of crustaceans and open-water fishes during migration, and switch to several varieties of bottom dwelling fishes in summer on the northern grounds (Ref. 1394). |
Aquatic zones / Water bodies
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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Habitat
| Substrate | |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
Associations
| Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
feeding
| Feeding type | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
| Feeding habit | hunting macrofauna (predator) |
| Feeding habit Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
Trophic Level(s)
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 3.62 | 0.56 | Troph of juv./adults. | ||
| From individual food items | 4.30 | 0.94 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Hammill, M.O., V. Lesage and P. Carter, 2005 | ||||