Get the latest Science News and Discoveries

Fish size themselves up in a mirror to decide if they can win a fight


Cleaner wrasse use their reflection to build a mental image of their body size, which they use to compare themselves to rivals before picking a fight

None

Get the Android app

Or read this on New Scientist

Read more on:

Photo of mirror

mirror

Photo of Fish size

Fish size

Photo of fight

fight

Related news:

News photo

New discoveries about how mosquitoes mate may help the fight against malaria - EurekAlert

News photo

New discoveries about how mosquitoes mate may help the fight against malaria

News photo

Key discovery by Duke-NUS advances fight to reduce breast cancer recurrence - EurekAlert