Coastrange Sculpin and Similar Species
Cottus aleuticus
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Open the appSeveral fish can be confused with Coastrange Sculpin. Here are the key differences.
Species often confused with {name}
Torrent Sculpin
Cottus rhotheus
Key differences: Torrent Sculpin typically has a more slender body, a longer and more pointed snout, and often has a more pronounced lateral line. Its preopercular spine is usually shorter and blunter than that of the Coastrange Sculpin. Prickles are often less extensive.
Riffle Sculpin
Cottus gulosus
Key differences: Riffle Sculpin generally has a more robust body and a shorter, broader head. The preopercular spine is often blunt or absent. Prickles are usually restricted to the anterior part of the body or absent entirely. The dorsal fins are typically more broadly joined.
Mottled Sculpin
Cottus bairdi
Key differences: Mottled Sculpin typically has a more mottled coloration with distinct dark bands. Its preopercular spine is usually simple and sharp, similar to C. aleuticus, but its geographic range overlaps only in certain areas, and it generally prefers colder, higher-elevation streams. Prickles are often less developed or absent.
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