The type-host is the Yellowedge grouper, "Epinephelus flavolimbatus"; the species has also been found on the gills of the Snowy grouper, "Epinephelus niveatus". The type-locality is the open Gulf of Mexico, 70 miles south of Panama City, Florida. The record on the Snowy grouper is from the Gulf of Mexico, 60 miles south-west of Pensacola, Florida.