科: Serrasalmidae
红腹食人鱼为锯脂鲤科鱼类，原生分布于南美洲。成体约 37.5–55 cm，适宜水温 24–29 °C。
Pygocentrus nattereri is a Serrasalmidae from South America. In the wild it prefers rivers and floodplain lakes with structure; in the aquarium it stays pack hunters. Plan on 37.5–55 cm of adult fish at 24–29 °C. In a community tank it pairs well with Similar-sized peaceful community fish.
适合有一定经验的玩家。Pack hunters; keep in groups to curb aggression；Keep in groups of 5 or more。
建议水温 24–29 °C，24–29 °C curated husbandry range；Heater for stable tropical warmth。
成体约 37.5–55 cm；最小缸体 500 L，并留出活动空间。
Carnivore; meaty foods。每天两小餐比一顿大餐更利于状态。
Pack hunters; keep in groups to curb aggression；Keep in groups of 5 or more。理想混养对象：Similar-sized peaceful community fish — Similar size and water needs。需避开Much smaller fish — May outcompete or bully tiny tankmates。
原生于南美洲，栖息于Rivers and floodplain lakes with structure。Moderate current，High oxygen appreciated。
该物种会跳缸——缸盖务必盖紧，换水时尤其注意。
Not bred in home aquaria。Subtle。