| Family: | SERRASALMIDAE |
| Species: | Colossoma bidens |
| Common Name: | Pacu |
| Size: | 16 in (40 cm) |
| Habitat: | SOUTH AMERICA: Guapore River, on the borders of Bolivia and Brazil |
| Diet: | Herbivorous |
| Behavior: | peaceful |
| Water: | soft, slightly acidic |
| Care: | moderate |
| Communities: | no, needs huge tank |
| Suitability: | not for beginners |
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