Squirrelfish are part of a family of coral fish that take advantage of a 'multibank retina' to survive on the reef at night. Image: Justin Marshall

To see – and survive – at night, some coral fish have developed visual adaptations that are similar to those of their cousins living in the ocean’s darkest depths, new research shows.

9 February 2021
: The two pearlside species studied, Maurolicus muelleri (top) and Maurolicus mucronatus (bottom). Image: Wen-Sung Chung

A new type of cell has been found in the eye of a deep-sea fish, and scientists say the discovery opens a new world of understanding about vision in a variety of light conditions.

9 November 2017