| Ref. principal | Robison, B.H., 1984 |
|---|---|
| Notas | Oceanic species found between 700 and 1,500 m during the day; between 20 and 200 m at night (Ref. 4775) with maximum abundance between 50 and 100 m (Ref. 47377). Size stratification with depth both day and night (Ref. 4775). Small juveniles (1.5-1.9 cm) are apparently non-migratory. Known to feed on zooplankton but appears to be adapted for occasional herbivory (Ref. 28809). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrato | |
|---|---|
| Substrate Ref. | |
| Habitats especiais | |
| Special habitats Ref. |
| Ref. | |
|---|---|
| Associações | |
| Associada com | |
| Comentários sobre associação | |
| Parasitismo |
| Tipo de alimentação | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Duka, L.A., 1986 |
| Hábito alimentar | selective plankton feeding |
| Feeding habit Ref. |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | |||||
| Dos itens alimentares individuais | 3.42 | 0.53 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||