Four Eyed Butterflyfish

The Four Eyed Butterflyfish (Chaetodon capistratus) is a small, colorful saltwater fish that typically grows to be around 4 to 6 inches (10-15 cm) in length. They have a distinctive black spot on their dorsal fin, and two black spots on their anal fin, giving them their common name. This species can be kept in a community aquarium with other non-aggressive species.

In the wild, Four Eyed Butterflyfish feeds on a variety of small invertebrates such as crustaceans, polychaete worms, and coral polyps. In an aquarium setting, they can be fed a varied diet of frozen or live food, such as brine shrimp, mysis shrimp, krill, and chopped seafood. It's important to feed them multiple times a day since they have a fast metabolism.

Determining the sex of a Four Eyed Butterflyfish can be difficult since they do not have any distinct differences in color or fin shape. However, in some cases, females can be slightly larger than males.

Breeding Four Eyed Butterflyfish in an aquarium setting is not common due to their highly specialized needs. In the wild, they typically spawn in pairs and lay their eggs on coral or rocky substrates.

Like many saltwater fish, Four Eyed Butterflyfish are susceptible to parasitic and bacterial infections. Ich and marine velvet disease are common ailments that can be prevented by ensuring proper water quality, a healthy diet, and quarantine procedures for new tankmates.

The Four Eyed Butterflyfish is native to the Western Atlantic Ocean, ranging from Florida to Brazil, including the Caribbean Sea.

Four Eyed Butterflyfish can be aggressive towards other fish, especially other butterflyfish. It's important to keep them with non-aggressive species or only keep one in a tank.

When introducing a Four Eyed Butterflyfish to a new aquarium, it's important to acclimate them slowly. This involves floating the fish in a bag in the aquarium for 30 minutes to an hour to allow for temperature adjustment. Gradually add small amounts of aquarium water to the bag every 10-15 minutes to allow the fish to adjust to the water chemistry of the new tank.

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