adipose fin
US /ˈæd.ɪ.poʊs fɪn/
UK /ˈæd.ɪ.poʊs fɪn/

1.
barbatana adiposa
a small, fleshy, rayless fin on the back of some fish, such as salmon and catfish, located between the dorsal fin and the tail
:
•
The salmon's adipose fin is a key identifier for its species.
A barbatana adiposa do salmão é um identificador chave para sua espécie.
•
Catfish are easily recognized by their prominent adipose fin.
Os bagres são facilmente reconhecidos por sua proeminente barbatana adiposa.