| Ref. principal | Bigelow, H.B., M.G. Bradbury, J.R. Dymond, J.R. Greeley, S.F. Hildebrand, G.W. Mead, R.R. Miller, L.R. Rivas, W.L. Schroeder, R.D. Suttkus and V.D. Vladykov, 1963 |
|---|---|
| Notas | Inhabit river mouths, lakes, estuaries, and bays; occasionally enters the open sea. Occur in the deeper channels of freshwater and brackish zones of rivers from spring until early fall. During this period of growth and feeding, these fish ingest insects and crustaceans (Ref. 38308). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
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| Substrato | |
|---|---|
| Substrate Ref. | |
| Habitats especiais | |
| Special habitats Ref. |
| Ref. | Scott, W.B. and M.G. Scott, 1988 |
|---|---|
| Associações | |
| Associada com | |
| Comentários sobre associação | Parasites of the species include Diclybothrium armatum, Spirochis sp., Fessesentis friedi, Argulus alosa, Capillospirura pseudoargumentosa and Echinorhynchus attenuatus (Ref. 5951). |
| Parasitismo |
| Tipo de alimentação | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | |
| Hábito alimentar | |
| Feeding habit Ref. |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | |||||
| Dos itens alimentares individuais | 3.25 | 0.39 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||