The gold crown butterflyfish, Chaetodon flavocoronatus, is one of the rarest species of butterflyfish that we’ve been writing about since 2009, but had never seen for ourselves until last week. Closely related to the tinker’s butterflyfish from Hawaii, the declivis butterflyfish from the Central Pacific, and the burgess butterflyfish with a much broader range, C. flavocoronatus … Continue reading The ‘Cleanest’ Flavocoronatus Butterflyfish Appears at SDC-ERI