Main Ref. | Krupp, F. and W. Schneider, 1989 |
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Remarks | Lives in shallow water among stones and vegetation in lakes, ponds and streams. Females feed mainly on chironomid larvae, oligochaetes and amphipods while the diet of larger males consists mainly of gastropods. |
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. | Krupp, F. and W. Schneider, 1989 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Krupp, F. and W. Schneider, 1989 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.22 | 0.45 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |