What are the personalities of a fish?
We can generalize about certain species being territorial, aggressive, shy or whatever, but at the end of the day fish sometimes act uncharacteristically, just like people. Anyone who’s spent time observing aquarium fish can attest to that. For many hobbyists, it’s what makes their pet fish so endearing.
Do fish like their owners?
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.
Do fish Recognise their owners?
Many Fish Don’t Recognize Their Owners
That said, certain fish are undeniably more intelligent than others. Large predators like Datnoids and fish that live in complex social hierarchies like Cichlids tend to be the smartest aquarium fish around.