Main Ref. | Weitzman, S.H., S.V. Fink, A. Machado-Allison and R. Royero L., 1994 |
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Remarks | Inhabits clear streams with sand and granitic rocks bottoms covered by dense mats of the plant Apinaga multibranchiata (Podostemaceae) in areas of fast water. Feeds on larvae of aquatic insects such as simulids and trichopterans that were found among the podostemacean plants. A few ants and spiders were also found in the stomachs. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate Ref. | |
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Special habitats Ref. |
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Associations | |
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Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Weitzman, S.H., S.V. Fink, A. Machado-Allison and R. Royero L., 1994 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Weitzman, S.H., S.V. Fink, A. Machado-Allison and R. Royero L., 1994 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.34 | 0.42 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |