Main Ref. | Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990 |
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Remarks | Exhibits no pattern of periodicity. Feeding is asynchronous and intermittent. Daily ration is estimated at 1.5 - 2.1% body weight per day; meal completely evacuated from stomach 25-41 hr after feeding, depending on meal type and temperature; fecal production continues for 68-82 hr after feeding (Wetherbee 1990). |
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 | Coral Reefs; |
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. | Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Wetherbee, B.M., S.H. Gruber and E. Cortes, 1990 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 4.27 | 0.50 | 4.34 | 0.76 | Troph of juv./adults from 3 studies. |
From individual food items | 3.93 | 0.59 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Cortés, E. and S.H. Gruber, 1990 |