The Northern studfish is a freshwater species known for its elongated body and vibrant, chain-like patterns. Typically reaching 5-7 inches in length and weighing up to 0.2 pounds, it inhabits clear streams and rivers with rocky substrates. Its diet consists mainly of insects and small invertebrates. The species is noted for its agile swimming and territorial behavior. This summary is AI generated
Water type
IUCN Status
Threat to humans
Source: Fishbase
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Northern studfish
length · weight
Northern studfish
4 in ·


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