In-built night-vision goggles for coral reef fish

23 Jan 2024
Fish
Shoulderbar soldierfish pictured on the Great Barrier Reef. Credit: Professor Justin Marshall

While scientists have known for some time about visual adaptations that help fish to see and survive in the dark, we did not understand how they work. Until now.

University of Queensland researchers Dr Fabio Cortesi and Dr Lily Fogg have been studying the visual system of nocturnal coral reef fish to uncover how these fish use specialised retinas for faster and more sensitive sight in low-light conditions, giving the fish the equivalent of in-built night-vision.

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