Main Ref. | Lucena, F.M., T. Vaske Jr., J.R. Ellis and C.M. O'Brien, 2000 |
---|---|
Remarks | Occurs in the Bahia Blanca estuary ecosystem. At approximately 4 cm TL, involved a change from demersal-pelagic prey (mysid shrimps) to demersal-benthic prey. While at approximately 8 cm TL, involved a progressive increase in ichthyophagy, mainly Argentine anchovy (Ref. 55045). |
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. | Lucena, F.M., T. Vaske Jr., J.R. Ellis and C.M. O'Brien, 2000 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Lucena, F.M., T. Vaske Jr., J.R. Ellis and C.M. O'Brien, 2000 |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.72 | 0.60 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Lucena, F.M., T. Vaske Jr., J.R. Ellis and C.M. O'Brien, 2000 |