A small, rayless, fleshy dorsal fin present in certain fishes, notably in the salmon family.
- Like all salmonids the grayling has a small adipose fin behind the dorsal fin.
- Another physical characteristic of the brook trout is an adipose fin and a caudal fin that is slightly forked.
- There is no dorsal adipose fin present on Rhadinesthes decimus.
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Line breaks: adi|pose fin
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