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
A anemonefish in an anemone.

The fish made famous in 'Finding Nemo' can see ultraviolet (UV) light and may use it as a ‘secret channel’ to find both friends and food, according to researchers.

12 November 2019