Main Ref. | Roper, C.F.E., M.J. Sweeney and C.E. Nauen, 1984 |
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Remarks | Found in the continental shelf; winters inshore, in shallow waters. Spawning period extends throughout the year, with peaks in spring, summer, and autumn. Spawning grounds were recorded from 30 to 100 m, on sandy bottom in coastal waters influenced by inflow of warm oceanic currents. Life span is about one year. Juveniles prefer crustaceans; adults primarily feed on fishes (Ref. 114973). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Benthic: mobile; demersal; |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | Roper, C.F.E., M.J. Sweeney and C.E. Nauen, 1984 |
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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. | |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 4.21 | 0.64 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |