Main Ref. | Radtke, L.D., 1966 |
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Remarks | Found in estuaries, lower reaches of large rivers, and in salt or brackish water off river mouths (Ref. 5723). Probably spawns in fresh water (Ref. 27547). May cover considerable distances in the ocean (Ref. 27547). |
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 animals (troph. 2.8 and up) |
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Feeding type Ref. | Radtke, L.D., 1966 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Radtke, L.D., 1966 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.25 | 0.48 | |||
From individual food items | 3.52 | 0.52 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Radtke, L.D., 1966 |