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New Hybrid Cells Enhance Deep-Sea Fish Vision

2/23/2026

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Story summary
  • Researchers have identified a new light-sensing cell in deep-sea fish larvae that combines cones and rods, challenging vertebrate vision.
  • The hybrid cone-rod cell appears to optimize vision in low-light conditions.
  • The study examined larval retinas from the Red Sea to observe how vision adapts as fish move from brighter to deeper waters.
  • Dr. Fabio Cortesi of The University of Queensland says the findings could advance imaging technology and biomedical research.