1. A paired fin located on the ventral (belly) side of a fish, typically positioned behind the pectoral fins
The ventral fins help the fish maintain balance and control its movement in the water.
As nadadeiras ventrais ajudam o peixe a manter o equilíbrio e controlar seus movimentos na água.
2. One of the paired fins corresponding to the hind limbs in fish anatomy
Fish use their ventral fins along with dorsal and caudal fins for swimming.
Os peixes usam suas nadadeiras ventrais junto com as nadadeiras dorsais e caudais para nadar.