Ecology of Johnius borneensis
| Main Ref. | Sumpton, W. and J. Greenwood, 1990 |
|---|---|
| Remarks | Inhabits shallow coastal waters, estuaries, and rivers. In India, matures at the size of 14 to 16 cm TL; attains an average size of 15.8 cm TL, 20.6 cm TL, and 24 cm TL, at the end of 1 year, 1.5 years and 2 years, respectively. Juvenile feeds mainly on zooplankton (Ref. 13441), and as they grow, show piscivorous tendency (Ref. 9772). Benthopelagic (Ref. 129051). |
Aquatic zones / Water bodies
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
Habitat
| Substrate | Benthic; Pelagic; |
|---|---|
| Substrate Ref. | Soe, K.K., S. Pradit and S. Hajisamae, 2021 |
| Special habitats | |
| Special habitats Ref. |
Associations
| ссылка | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
Feeding
| Feeding type | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Sumpton, W. and J. Greenwood, 1990 |
| Feeding habit | selective plankton feeding |
| Feeding habit Ref. |
Trophic Level(s)
| Estimation method | Original sample | Unfished population | Замечание | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 3.66 | 0.41 | Troph of juv./adults. | ||
| From individual food items | 3.77 | 0.49 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| ссылка | Soe, K.K., S. Pradit and S. Hajisamae, 2021 | ||||