Main Ref. | Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991 |
---|---|
Remarks | Occurs in quiet, clear pools and backwaters of lowland creeks, small to large rivers, oxbow lakes, swamps and sloughs (Ref. 10294). Occasionally enters brackish waters. Young feeds on mosquito larvae and microcrustacea for a short time, but rapidly becomes piscivore, feeding on Gambusia and Fundulatus spp., and then feeding almost exclusively on gizzard shad at larger sizes. Spawning was observed on dead vegetation and algal mats in quiet backwater areas (Ref. 10294). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | |
---|---|
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. | Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991 |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 4.00 | 0.66 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |