Definitions for "Adipose Fin"
Keywords:  caudal, dorsal, fleshy, fin, characins
Small fleshy fin without rays located on back between dorsal and caudal fins.
A small dorsal fin, lacking internal supports, situated between the dorsal and caudal fins.The posterior border of this fin is sometimes fused to the trunk (adnate).
the fleshy appendage found on salmon, located between the dorsal fin and the tail.