Can a Fish Recognize Its Owner?

Surprisingly, science has found that fish are capable of recognizing their owner's face, even if the owner is standing by the tank with other people. Fish can develop an association between something they like, being fed, with the person who feeds them.

How do fish recognize their owners?

Researchers have found that fish recognize each other and gather information by eavesdropping. They're capable of remembering past social interactions that they've had with other fish, and they show affection by rubbing against each other.

Do fishes like their owners?

Many Fish Don't Recognize Their Owners

Large predators like Datnoids and fish that live in complex social hierarchies like Cichlids tend to be the smartest aquarium fish around. What is this? Other fish, such as Tetras, Livebearers, Goldfish and Bettas, live simpler social lives.