Ref. principal | Schuster, W.H., 1960 |
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Notas | Found mainly in freshwater and estuaries, but also enters the sea (Ref. 4833). Also occurs in canals, ditches and ponds (Ref. 12693). Juveniles and/or adults are found in mangrove inlets (Ref. 121464). Found in clear to turbid streams with rock, gravel or sand bottoms (Ref. 2847). Encountered in medium to large-sized rivers of the lower Mekong (Ref. 12975). Recorded as having been or being farmed in rice fields (Ref. 119549). Feeds on small insects, crustaceans and small fish. Grows to a much larger size in brackish water than in fresh water. Cannibalism is relatively common for this species (Ref. 48660). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrato | Soft Bottom: sand; Hard Bottom: rocky; |
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Substrate Ref. | |
Habitats especiais | Coral Reefs; |
Special habitats Ref. | Nguyen, N.T. and V.Q. Nguyen, 2006 |
Ref. | |
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Associada com | |
Comentários sobre associação | |
Parasitismo |
Tipo de alimentação | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Schuster, W.H., 1960 |
Hábito alimentar | hunting macrofauna (predator) |
Feeding habit Ref. | Weliange, W.S. and U.S. Amarasinghe, 2007 |
Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
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Troph | s.e. | Troph | s.e. | ||
Da composição da dieta | 3.66 | 0.20 | 4.22 | 0.93 | Troph of juv./adults from 4 studies. |
Dos itens alimentares individuais | 3.57 | 0.59 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Weliange, W.S. and U.S. Amarasinghe, 2007 |