What does anal fin mean?

anal fin meaning in Fishing Dictionary

the fin located on the ventral median range and behind the rectum

Sentence Examples with the word anal fin

In the dorsal fin they have from 17 to 20 rays, and in the anal fin from 16 to 18; there are from 53 to 59 scales in the lateral line and 54 to 56 vertebrae in the vertebral column.

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