Can Fish See Themselves in Glass?

Research published today in the journal PLOS Biology shows that fish can recognize and respond to themselves in the mirror. When met with their own reflections, a species of fish called the cleaner wrasse identified and attempted to remove marks on their bodies.

Can fish see us through glass?

Can my fish see me through the glass? Absolutely. Some fish have pretty good memory and can recognize their owners such as the betta or flower horn. If you go to a fish store you will see fish react to you as you walk through.

Can fish in a tank see you?

Studies have found that fish see objects placed outside their tank. But can they recognize their owners? Anecdotal evidence, and one study done on archerfish, suggests they can, Balcombe notes.