Do fish recognize their owner?

I have not tried to train my fishes but they do recognize me and display a particular type of movement swimming around whenever I go near the tank.

Quote from laurent.ba

I have not tried to train my fishes but they do recognize me and display a particular type of movement swimming around whenever I go near the tank.

I think any living thing that you feed will always recognize you in one way or another and it's why they make such observable movements whenever they see you.

I always remember being a kid, I was always told that fish had a 3-second memory span so I instantly believed that they would probably never remember you as their owner because of that.

Is it true though that is the case or do they remember us and can we train them? I am curious now.

I believe it comes down to the species of fish. Scientists have noticed that certain species can recognize their owners. There was a study on Angelfish that proved the fish reacted to different people who approached their tank.

I do not think fish will recognize you, I believe if they are playful in nature and like people watching them they will display the same behavior to almost all human beings. They do not act differently just because you spend more time with them. But then I might be wrong with this assumption.

The capability of fish to recognize their owners is a topic of increasing interest among both researchers and pet owners. Scientific studies have demonstrated that certain fish species possess more cognitive abilities than previously assumed. For example, research has shown that fish like the Archerfish can differentiate between human faces, indicating a potential for recognition. Moreover, behaviors observed by pet fish owners, such as particular swimming patterns when approached by specific individuals, suggest that some species may indeed recognize and respond uniquely to their caregivers.

It is essential to consider that the cognitive abilities of fish can vary significantly across species. While anecdotal evidence from owners of fish such as Betta or Cichlids supports the claim of owner recognition, this may not universally apply to all fish species. Additionally, the behavior of fish may sometimes be attributed to conditioned responses rather than recognition, as fish often associate certain stimuli, like the presence of a person, with feeding. Therefore, while it is plausible that fish can recognize their owners under specific circumstances, more research is needed to thoroughly understand the extent and mechanisms of this recognition.