Main Ref. | Colgan, P and B. Silburt, 1984 |
---|---|
Remarks | Occurs in quiet areas of streams, sloughs, swamps and other wetlands over mud and debris. Often found in dense vegetation. Tolerates drought, low oxygen levels and extremes water temperature. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | Soft Bottom: mud; |
---|---|
Substrate Ref. | Page, L.M. and B.M. Burr, 1991 |
Special habitats | |
Special habitats Ref. |
Ref. | |
---|---|
Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
---|---|
Feeding type Ref. | Colgan, P and B. Silburt, 1984 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.67 | 0.19 | 3.17 | 0.35 | Troph of adults from 4 studies. |
From individual food items | 3.53 | 0.50 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Chilton, G., K.A. Martin and J.H. Gee, 1984 |