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Fish see in the dead of night due to further layers of rod cells of their eyes



Visible assessments in nocturnal coral fish reveal how a number of layers of rod cells behind the attention allow sooner imaginative and prescient in low-light situations


21 December 2022

Lattice soldierfish are nocturnal reef dwellers with a imaginative and prescient system tailored for dim situations

Justin Marshall

The specialised retinas of some nocturnal coral fish end in sooner imaginative and prescient and larger sensitivity to dim and vibrant gentle. The identical adaptation might allow deep-sea animals to see in darkness.

Fish dwelling in dim situations can have as many as 28 layers of light-sensitive rod cells behind their eyes, referred to as a multibank retina. However precisely how this helps them to see in low gentle was unclear till now.

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