Cottus reinii is a small, freshwater fish typically found in fast-flowing streams. It has a mottled brown appearance with a flattened body and large pectoral fins. Measuring around 3-4 inches and weighing up to 0.1 pounds, it feeds on aquatic insects and small invertebrates. This species is known for its bottom-dwelling behavior and preference for rocky substrates. This summary is AI generated
Water type
IUCN Status
Threat to humans
Source: Fishbase
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