The wonderful Prognathodes aculeatus, or Poey’s Butterflyfish, happens to be my favorite species of butterflyfish in the world. This beautiful Prognathodes species originates from the tropical Western Atlantic and can be found off the coast of Florida all the way down to about Venezuela. In the southern Caribbean near Brazil, you may also encounter its … Continue reading Poey’s Butterflyfish is an Exception to the Prognathodes Rule