Main Ref. | Sierra, L.M., R. Claro and O.A. Popova, 1994 |
---|---|
Remarks | Occurs in shallow and generally turbid coastal water over muddy bottoms, often around river estuaries. Schooling species (Ref. 6949). Feeds on mainly on fishes belonging to the Engraulidae, Clupeidae, Lutjanidae and Synodontidae families and also on squid from the Loliginidae family (Ref. 9626). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | Benthic: demersal; Soft Bottom: mud; |
---|---|
Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | |
---|---|
Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
---|---|
Feeding type Ref. | Sierra, L.M., R. Claro and O.A. Popova, 1994 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | da Silva Monteiro, V.M., 1998 |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | 4.35 | 0.33 | 3.93 | 0.63 | Troph of juv./adults from 2 studies. |
From individual food items | 4.38 | 0.71 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Sierra, L.M., R. Claro and O.A. Popova, 1994 |