lateral line system

noun

1. a system of sensory organs in fishes and aquatic amphibians consisting of a series of cells on the head and along the sides of the body that detect pressure changes and vibrations

Example Sentences

Using their "lateral line system", sense organs that can detect movements and pressure changes in surrounding water, they spot their prey, thrust upward, lift the snouts and quickly open their small but very strong mouths to swallow a fish almost whole.

From The Guardian