The juveniles of the rosy clownfish in Phnom Penh are better fed rotifers than brine shrimp. The food of the adult Phnom Penh rosy clownfish includes a variety of animal bait, such as chopped shrimp. Because Phnom Penh rosy clownfish prefer to eat animal bait, they must pay attention to the balance of nutrition when feeding, not too single. As long as good water quality is ensured and nutritionally balanced food is fed, Phnom Penh rosy clownfish can grow healthily.

The breeding of Phnom Penh red clownfish should not only pay attention to the stability of water quality and environment, but also pay attention to the scientific nature of feeding. The red clownfish is an omnivorous ornamental fish, and its bait includes algae in seawater, animal plankton, and marine fish pellet feed. It should also be noted that the rosy clownfish in Phnom Penh likes to snuggle in the sea anemone to live, and the sea anemone is a relationship of mutual dependence and coexistence.