Meet Doreen Rott and her pet fish named Gregory. The two have been, well, buddies for about 6 years now, ever since Doreen ...

Did you know a pet fish could do tricks? Check it out in this amazing retro find A pet fish named Gregory bonded with his ownerover tricks, cantaloupe and playful antics.

Doreen recalled how she started petting Gregory when he was just a small fish in a five-gallon tank, saying, "When he was little, I would put my hand in the tank and pet him." Gregory even had a knack ...

Back in 1992, Gregory the pet fish chased balls and jumped for cantaloupes.

Back in 1992, Gregory the pet fish chased balls and jumped for cantaloupes.

Back in 1992, Gregory the pet fish chased balls and jumped for cantaloupes.

Tetras are one of the most popular and diverse types of freshwater aquarium fish. With more than 150 unique types of tetra ...

For most species, tanks must hold at least 150 gallons, with larger species requiring over 500 gallons. Small, rectangular tanks can lead to stress and abnormal behavior.