Main Ref. | Werner, R.G., B.V. Jonckheere, M.D. Clapsadl and J.M. Farrell, 1996 |
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Remarks | Lives in clear vegetated lakes, quiet pools and backwaters of creeks and small to large rivers. Solitary, lurking hunter on other fishes as well as on ducklings, muskrats, and snakes. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Werner, R.G., B.V. Jonckheere, M.D. Clapsadl and J.M. Farrell, 1996 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Werner, R.G., B.V. Jonckheere, M.D. Clapsadl and J.M. Farrell, 1996 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 4.50 | 0.30 | Troph of juv./adults from 6 studies. | ||
From individual food items | 4.20 | 0.73 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Wahl, D.H. and R.A. Stein, 1991 |