Ecologia de Acanthurus triostegus
| Ref. principal | Randall, J.E., 1956 |
|---|---|
| Notas | Occur in lagoon and seaward reefs with hard substrate; young abundant in tide pools (Ref. 3145, 48637). Often feeding near freshwater run-offs where certain algae grow on rocks that are grazed (Ref. 48637). Feed on filamentous algae in large aggregations. Roving herbivore (Ref. 57615). Diurnal species (Ref. 113699:31), spawning takes place between midday and dusk (Ref. 717, 38697). Also Ref. 58534, 58652. |
Aquatic zones / Water bodies
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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Habitat
| Substrato | Hard Bottom: rocky; |
|---|---|
| Substrate Ref. | Letourneur, Y., P. Chabanet, P. Durville, M. Taquet, E. Teissier, M. Parmentier, J.-C. Quéro and K. Pothin, 2004 |
| Habitats especiais | Beds: algae/seaweed; Coral Reefs: lagoons; |
| Special habitats Ref. | Dominici-Arosemena, A. and M. Wolff, 2006 |
Associações
| Ref. | |
|---|---|
| Associações | solitary; schooling; |
| Associada com | |
| Comentários sobre associação | Forms large schools, but also seen solitary or in small groups (Ref. 4887). |
| Parasitismo |
Alimentação
| Tipo de alimentação | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Hiatt, R.W. and D.W. Strasburg, 1960 |
| Hábito alimentar | grazing on aquatic plants |
| Feeding habit Ref. | Hiatt, R.W. and D.W. Strasburg, 1960 |
Trophic Level(s)
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | |||||
| Dos itens alimentares individuais | 2.78 | 0.35 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||