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adipose fin

Syllabification: ad·i·pose fin

Definition of adipose fin in English:

noun

Zoology
A small, rayless, fleshy dorsal fin present in certain fishes, notably in the salmon family.
Example sentences
  • 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.

Definition of adipose fin in:

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