Twilight fish study reveals unique hybrid eye cells

12 Feb 2026
Fish
Two pearlside species that have hybrid photoreceptors in their eyes as larvae and adults, Maurolicus muelleri and Maurolicus mucronatus. Photo credit: Dr Wen-Sung Chung

Researchers have identified a new type of visual cell in deep-sea fish larvae that challenges a century of knowledge about vertebrate visual systems.

Dr Fabio Cortesi from The University of Queensland’s School of the Environment said the finding could lead to new camera technology and medical treatments.

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