Ecology of Thunnus tonggol
| Main Ref. | Collette, B.B. and C.E. Nauen, 1983 |
|---|---|
| Remarks | Coastal. Intolerant of turbid waters and low salinities. Forms small schools. Migratory. Opportunistic feeder. Feeds on fish, cephalopods and crustaceans (Ref. 9773). |
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
| ссылка | |
|---|---|
| Associations | schooling; |
| Associated with | |
| Association remarks | |
| Parasitism |
Feeding
| Feeding type | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Collette, B.B. and C.E. Nauen, 1983 |
| Feeding habit | hunting macrofauna (predator) |
| Feeding habit Ref. | Collette, B.B. and C.E. Nauen, 1983 |
Trophic Level(s)
| Estimation method | Original sample | Unfished population | Замечание | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 4.50 | 0.62 | 4.52 | 0.78 | Troph of juv./adults from 1 study. |
| From individual food items | 4.01 | 0.53 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| ссылка | Bachok, Z., M.I. Mansor and R.M. Noordin, 2004 | ||||