Squirrelfish (<i>Holocentrus rufus</i>) is a Nocturnal Reef Dwelling Fish (IMAGE)

Okinawa Institute of Science and Technology (OIST) Graduate University

Squirrelfish (<i>Holocentrus rufus</i>) is a Nocturnal Reef Dwelling Fish

Caption

Nocturnal fish have large eyes as an adaptation to light-deficient environments.

Credit

Alex Dornburg

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