Roeboides affinis is a small freshwater fish native to South American river systems. It has a laterally compressed, silvery body with a distinct dark spot near the tail and translucent fins. Adults reach around 2.5 inches in length and weigh up to 0.02 pounds. They are active, schooling fish inhabiting calm, vegetated stretches of rivers and streams. This summary was AI generated
Water type
IUCN Status
Threat to humans
Source: Fishbase
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