Seahorse Frequently Asked Questions / What is a “snick”?
A “snick” is the colloquial term for the feeding action seahorses and some of their relatives make. It is a loud popping sound created by bones in the head of seahorse as they strike at prey. It has a vague “snick” sound, and so the term has been popularized to describe how they feed.
The video below shows the snicking behavior of several pipefish and seahorses:
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