with zebrafish? Kissing fish can be mixed with zebrafish. First of all, they are tropical fish. They like water temperature between 24-26 degrees Celsius. Moreover, zebrafish has strong adaptability and can survive in water temperature above 11 degrees Celsius. Secondly, they are similar in size and belong to small fish. The adult body length of kissing fish can reach 3-5 cm, while the adult body length of zebrafish is 4-6 cm. Both of them are similar in body length, and there will be no big difference in body size.
Moreover, zebrafish like to eat some animal feed, such as red worms, shrimp, tubificidae, water fleas, etc., but kissing fish like to eat some microorganisms in the water, and also like to eat some moss or algae on the tank wall. So they don't fight over food.
with parrot fish? Kissing fish can not be mixed with parrot fish, because first of all, their size difference is too big, kissing fish is a small fish, parrot fish is a medium-sized fish, and parrot fish is irascible, aggressive, although kissing fish is also aggressive, but the attack is weak. If they are mixed together, kissing fish will often be injured and may die in serious cases. If you want to mix kissing fish with other fish, you should choose tropical fish with similar size.