Main Ref. | Cadena, M., 1982 |
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Remarks |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Soft Bottom: sand; mud; |
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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 plants/detritus (troph. 2-2.19) |
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Feeding type Ref. | Yánez-Arancibia, A. and G. Díaz-González, 1989 |
Feeding habit | grazing on aquatic plants |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 2.03 | 0.05 | 2.00 | 0.00 | Troph of adults from 2 studies. |
From individual food items | 2.55 | 0.25 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Yánez-Arancibia, A. and G. Díaz-González, 1989 |