| Main Ref. | SAUP Database, 2006 |
|---|---|
| Remarks | Found <200 m offshore, over deep waters (Ref. 356). Colonial breeder in trees on marine islands. Gregarious; freely approaches ships, undertaking long foraging trips (Ref. 91362). Exhibits plunge diving (Ref. 356). Maturity at past 2 to 3 years (Ref. 91362). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Ref. | Harrison, P., 1987 |
|---|---|
| Associations | colony-forming/symphorism; |
| Associated with | |
| Association remarks | Colonial breeder. |
| Parasitism |
| Feeding type | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Karpouzi, V.S., 2005 |
| Feeding habit | hunting macrofauna (predator) |
| Feeding habit Ref. | Karpouzi, V.S., 2005 |
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | |||||
| From individual food items | 4.40 | 0.93 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||