Main Ref. | Skelton, P.H., 1993 |
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Remarks | Usually found near vegetation except when the water is turbid. It can tolerate extreme conditions and survive in various habitats from small streams to large impoundments. Feeding habits varied in different seasons: for small fish benthic feeding during spring and midwater feeding during summer; larger fish fed on corixid bugs during summer but switched to chironomid larvae and zooplankton in winter. |
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. | Skelton, P.H., 1993 |
Feeding habit | variable |
Feeding habit Ref. | Skelton, P.H., 1993 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.30 | 0.40 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |