It’s common for owners to start feeding their goldfish by hand once their pets get used to them. It’s a fact that goldfish have memory that lasts up to 3 months. That means they can recognize different human voices and faces.Click to see full answer. Also question is, can fish Recognise their owners?Yes, fish do recognize their owners. Not only this but they develop a bond with their owners as well. obviously, this bond is not like a pet cat or a dog but it’s definitely amusing how fish memorize its surroundings and their owner’s face even when both live in a totally different habitat.Also, do goldfish like to be alone? They can – as long as they are kept in a filtered tank that is cycled regularly. Still, that doesn’t mean that they should be kept that way forever. Goldfish are perfectly fine with other fish, especially those that are most similar to them in size and breed. People also ask, how do you know if goldfish are happy? Signs of a Happy Goldfish Being alive and not floating in the water is a good, first sign but you should also be looking for the following: Your goldfish should be swimming constantly and not floating, bobbing or sinking. They should eat regularly and eliminate their waste frequently.How do I play with my pet fish? So, if you want to help your fish exercise and escape boredom, here are 7 ways to play with your betta fish: Place a ping pong ball in the aquarium. Use a mirror to watch your betta flare. Introduce floating decorations. Draw on the fish tank with dry erase markers. Stick Post-its or other pieces of paper on the tank.

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