Main Ref. | Boujard, T., M. Pascal, F.J. Meunier and P.-Y. Le Bail, 1997 |
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Remarks | Inhabits lower courses of the larger rivers. Free swimming species found near the surface. Nocturnal, plus active during dusk and dawn. The male is recognizable by his thick, ossified maxillary barbels and by the first few rays of the anal fin which are fused, supporting the urogenyla tube that runs along the anterior border to the tip of the rays (Ref. 6868). Feeds mainly on insects and some crustaceans and fish (Ref. 27188). |
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. | |
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Special habitats Ref. |
Ref. | |
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Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Boujard, T., M. Pascal, F.J. Meunier and P.-Y. Le Bail, 1997 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Mérona, B. de and J. Rankin-de-Mérona, 2004 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.63 | 0.51 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |