The Bank butterflyfish is found in the tropical and sub-tropical waters of the western Atlantic Ocean.

It is found on natural and artificial reefs in Florida, the Gulf of Mexico, and off the Yucatán Peninsula.

[1] Though it is harvested for use in salt water aquaria, this commercial use does not appear to negatively impact the global population of the species.

[1] When observed by scuba divers this fish is generally regarded as shy, and it is known to dart into the shelter of reefs upon approach.

[3] Once properly sheltered, however, some fish will remain at the entrance to whatever crevice they are using, apparently to watch divers.