Main Ref. | Maeda, K. and K. Tachihara, 2004 |
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Remarks | Distributed from the tidally influenced area and the lower part of the freshwater area in theTeima River on Okinawa Island. Occurs in brackish estuaries, freshwater creeks, marshes, and rice fields (Ref. 54520). Feeds mainly on crabs and aquatic snails (Ref. 54520). |
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. | Maeda, K. and K. Tachihara, 2004 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Maeda, K. and K. Tachihara, 2004 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.88 | 0.20 | Troph of juv./adults from 4 studies. | ||
From individual food items | 3.71 | 0.64 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Maeda, K. and K. Tachihara, 2004 |