Referencia principal | Maitland, P.S. and R.N. Campbell, 1992 |
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Observaciones | Occurs in quiet and vegetated lakes, ponds, and pools of creeks and small rivers. Feeds mainly on worms, crustaceans and insects (Ref. 7020) but may also feed on small fishes and other vertebrates (Ref. 1998), as well as fish eggs (Ref. 2058). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Soft Bottom: sand; mud; |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Referencia | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Tipo De Alimentación | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Keast, A. and L. Walsh, 1968 |
Hábito De Alimentación | hunting macrofauna (predator) |
Feeding habit Ref. | Scott, W.B. and E.J. Crossman, 1973 |
Estimation method | Muestra original | Población no pescada | Observación | ||
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Troph | s.e. | Troph | s.e. | ||
De la composición de la dieta | 3.25 | 0.10 | 3.15 | 0.50 | Troph of juv./adults from 4 studies. |
De tipos individuales de alimento | 3.27 | 0.46 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Referencia | Keast, A. and L. Walsh, 1968 |