pectoral fin

Noun

Meaning

either of a pair of fins situated just behind the head in fishes that help control the direction of movement

Source: WordNet

fin blade limb lobe flipper fluke appendage pelvic fin finlet dorsal fin caudal fin anal fin adipose fin heterocercal fin homocercal fin

Show all synonyms

fin

Again, in most members, the gill plates are covered over with skin, the only gill opening a small slit above the pectoral fin. Source: Internet

Cod have a distinct white lateral line running from the gill slit above the pectoral fin, to the base of the caudal or tail fin. Source: Internet