Main Ref. | Holthuis, L.B., 1991 |
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Remarks | It is found in shallow, sometimes slightly turbid coastal waters, from 1 to 8 m depth, with a record of 50 m deep. It inhabits sandy and muddy substrates, sometimes on rocky bottoms, often near the mouth of rivers, but also on coral reefs (Ref. 4). Subtidal (Ref. 106854). Juveniles occur in holes and crevices which are partially covered by seagrass or macroalgae (Ref. 106919). It is solitary, may live in pairs and has been found in larger concentrations (Ref. 4). Omnivore (Ref. 116259). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Benthic: mobile; Soft Bottom: sand; mud; Hard Bottom: rocky; rubble; |
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Substrate Ref. | Estampador, E.P., 1959 |
Special habitats | Coral Reefs; |
Special habitats Ref. | Holthuis, L.B., 1991 |
Ref. | Holthuis, L.B., 1991 |
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Associations | solitary; |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Barclay, M.C., S.J. Irvin, K.C. Williams and D.M. Smith, 2006 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Barclay, M.C., S.J. Irvin, K.C. Williams and D.M. Smith, 2006 |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.47 | 0.29 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |