Main Ref. | Palomares, M.L.D., 1991 |
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Anmärkningar | Nocturnal and benthic, preferring stagnant waters of swamps and lakes (Ref. 10294, 11243). Juveniles are carnivores surviving on invertebrates, insect larvae, insects and eggs and larvae of other fishes. The main food of adults consist of crustaceans, small fish and frogs (Ref. 11243). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Soft Bottom |
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Substrate Ref. | Page, L.M. and B.M. Burr, 2011 |
Special habitats | |
Special habitats Ref. |
Ref. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Typ av föda | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Palomares, M.L.D., 1991 |
Födosöksstrategi | hunting macrofauna (predator) |
Feeding habit Ref. |
Estimation method | Ursprungligt prov | Ofiskad population | Kommentar | ||
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Troph | s.e. | Troph | s.e. | ||
Från födosammansättning | 3.68 | 0.12 | 3.43 | 0.39 | Troph of juv./adults from 3 studies. |
Från individuella födoämnen | 3.28 | 0.45 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Klarberg, D.P. and A. Benson, 1975 |