| Rif. principale. | Jackson, P.B.N., T.D. Iles, D. Harding and G. Fryor, 1963 |
|---|---|
| Osservazioni | Typical of a predator species in its ability to change its distribution and habitat in relation to available food supply (Ref. 4916). Usually lives a little away from the shore, but does enter shallow waters (Ref. 52557). Juveniles mainly feed on trophic eggs released by the female (Ref. 36945), whilst the male helps the young in searching for invertebrates in and around the nest (Ref. 36945). Predator feeding on many other kinds of fish (Ref. 52161). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrato | |
|---|---|
| Substrato Rif. | |
| Habitat speciali | |
| Habitat speciali Rif. |
| Fonte Biblio. | |
|---|---|
| Associazioni | |
| Associato a | |
| Osservazioni dell'associazione | |
| Parassitismo |
| Tipo di alimentazione | mainly animals (troph. 2.8 and up) |
|---|---|
| Tipo di alimentazione Rif. | Jackson, P.B.N., T.D. Iles, D. Harding and G. Fryor, 1963 |
| Abitudini alimentari | hunting macrofauna (predator) |
| Abitudini alimentari Rif. | Jackson, P.B.N., T.D. Iles, D. Harding and G. Fryor, 1963 |
| Estimation method | Campione originale | Popolazione non pescata | Commento | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Dalla composizione della dieta | |||||
| Da singoli alimenti | 3.93 | 0.63 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Fonte Biblio. | |||||