Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more ...

A small coral reef fish can recognize itself in a mirror. This discovery challenges long-held ideas about animal intelligence.

If you're not really into salt-water tanks or don't spend a lot of time in coral reefs, there's still a high probability you may have heard of the bluestreak cleaner wrasse fish. Likely because last ...

Tiny Dachshund Puppy Sees Himself in the Mirror and Can’t Decide Whether to Fight or Play originally appeared on PetHelpful. It’s always fun to watch a new puppy explore the big, wide world and ...

A dog's perfect reaction to only seeing himself in the mirror has delighted viewers as it is so full of confidence. Owner Mariah Krause told Newsweek on Reddit that her dog Bear often comes with her ...

Roosters act differently when faced with another chicken versus just their own reflection. This may mean that the birds can recognise themselves in a mirror, a key test of self-awareness in animals.