pelvic fin
US /ˈpel.vɪk fɪn/
UK /ˈpel.vɪk fɪn/
1.
buikvin
either of a pair of fins on the underside of a fish's body, typically behind the pectoral fins, that help control direction and stability
:
•
The fish used its pelvic fins to maintain balance in the current.
De vis gebruikte zijn buikvinnen om in de stroming in evenwicht te blijven.
•
Sharks have two pelvic fins located near their cloaca.
Haaien hebben twee buikvinnen bij hun cloaca.