Main Ref. | Allen, G.R., 1989 |
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Remarks | Occur in coastal streams, lakes and ponds. Inhabit clear or darkly tannin-stained water of rivers, streams, swamps and lakes, usually near the cover of rocks, aquatic plants or woody debris (Ref. 44894). Cryptic during the day under stones or among vegetation, but actively feeding at night on various crustaceans, small fishes, aquatic insects and gastropods (Ref. 44894). |
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. | Allen, G.R., 1989 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Allen, G.R., 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 | 3.25 | 0.45 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |