Main Ref. | Trewavas, E., 1983 |
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Remarks | Is an obligate particulate feeder during the larval and juvenile stage, and is mainly an obligate filter feeder when adult. A transition period exists during which both feeding modes can be used according to environmental conditions (Ref. 46977, 47339). |
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 plants/detritus (troph. 2-2.19) |
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Feeding type Ref. | Trewavas, E., 1983 |
Feeding habit | grazing on aquatic plants |
Feeding habit Ref. | Trewavas, E., 1983 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 2.05 | 0.08 | |||
From individual food items | 2.23 | 0.13 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Whitehead, V., 1969 |