
a small fleshy fin which lacks fin rays. See adipose.
Found on
http://australianmuseum.net.au/Glossary-of-fish-terms

A small fatty fin between the dorsal fin and the tail fin
Found on
http://english-fly-fishing-flies.s3-website-eu-west-1.amazonaws.com/glossar

a small, rayless fin located between the dorsal and caudal fins of salmonids. The adipose fin of hatchery-raised salmon, steelhead, and trout is often removed to distinguish hatchery fish from wild fish.
Found on
http://howtoflyfish.orvis.com/glossary/beginners-fly-fishing-glossary

A small fleshy fin located behind the dorsal fin in some fishes, e.g. certain Characins.
Found on
http://www.aquahobby.com/articles/e_glossary.php

On some species, the fatty fin located between the dorsal and tail fin.
Found on
http://www.azgfd.gov/h_f/fishing_glossary.shtml

A small fleshy fin with no rays, located between the dorsal and caudal fins.
Found on
http://www.encyclo.co.uk/local/21804

A single small, fleshy, typically rayless fin on the midline of the dorsal surface, between the dorsal and caudal fins. Absent in many fishes, but prominent in characoids, salmonids, catfishes, and certain other groups. Not to be confused with the more anteriorly inserted, rayed dorsal fin(s), also situated on the midline of the dorsal surface
Found on
http://www.encyclo.co.uk/visitor-contributions.php

a fin without a bone or cartilage, located behind the dorsal fin
Found on
http://www.nmfs.noaa.gov/pr/glossary.htm

(L: adipis fat) small, lobelike fleshy fin.
Found on
http://www.seafriends.org.nz/books/glossary.htm

a small fleshy fin which lacks fin rays.
Found on
http://www.translationdirectory.com/glossaries/glossary302.php

A small fin located behind the dorsal fin and in front of the caudal fin.
Found on
https://www.encyclo.co.uk/local/23227

a small, fleshy fin, usually lacking rays, behind the main dorsal fin in trouts, catfishes, and other bony fishes.
Found on
https://www.infoplease.com/dictionary/adipose-fin
No exact match found.