| Κύρια Αναφ. | SAUP Database, 2006 |
|---|---|
| Σχόλια | Form loose breeding colonies on oceanic islands. Does not commonly trail ships. Feeds by surface-seizing (Ref. 356). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrate | |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Αναφ. | Harrison, P., 1987 |
|---|---|
| Associations | colony-forming/symphorism; |
| Associated with | |
| Association remarks | Forms loose breeding colonies. |
| Parasitism |
| Τροφικός Τύπος | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Harrison, P., 1987 |
| Τροφική Συνήθεια | hunting macrofauna (predator) |
| Feeding habit Ref. | SAUP Database, 2006 |
| Estimation method | Αρχικό δείγμα | Μη αλιευμένος πληθυσμός | Σχόλιο | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Από σύσταση δίαιτας | |||||
| Από ατομικά τροφικά αντικείμενα | 4.02 | 0.31 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Αναφ. | |||||