Taxonomy
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Anguilliformes
- Family
- Anostomidae
- Genus
- Leporinus
- Species
- trifasciatus
Habitat
This fish inhabits freshwater rivers and streams in the Amazon basin, preferring areas with moderate current, sandy or rocky substrates, and abundant vegetation. It is commonly found in Brazil, Argentina, and surrounding South American countries, often in both main river channels and tributaries.
Diet
The fat head aracu is omnivorous, feeding on insects, crustaceans, small fish, and plant matter like algae and fruits. It forages primarily during the day, using its specialized mouth to scrape food from surfaces or pick items from the water column. Feeding behavior includes both solitary and schooling activities near the river bottom.
Behavior
Fat head aracu are schooling fish that form groups for protection and foraging, especially in open waters. They are diurnal, active during the day and resting at night in sheltered areas, and exhibit territorial behavior during spawning seasons. This species is known for its agility in swift currents and occasional jumping out of water to evade threats.
Conservation Status
Listed as Not Evaluated by IUCN.