Fred Bavendam / Butterfly Perch (Caesioperca lepidoptera) group swimming around two sponges, Tasmania, Australia

Fred Bavendam / Butterfly Perch (Caesioperca lepidoptera) swimming amidst Gorgonian Sea Whips, fans and various kinds of sponges at 40 meters depth, Tasman Peninsula, Tasmania, Australia

Fred Bavendam / Butterfly Perch (Caesioperca lepidoptera) and diver swimming amidst Gorgonian Sea Whips, Fans and various kinds of Sponges at 40 meters depth, Tasman Peninsula, Tasmania, Australia

Richard Robinson / Butterfly perch (Caesioperca lepidoptera) amongst an encrusted Fiordland Black Coral (Antipathella fiordensis) in Breaksea Sound, Fiordland National Park, New Zealand.

Richard Robinson / Gridled wrasse (Notolabrus cinctus) and butterfly perch (Caesioperca lepidoptera) amongst encrusted Fiordland Black Coral (Antipathella fiordensis) in Breaksea Sound, Fiordland National Park, New Zeal...

Richard Robinson / Butterfly perch (Caesioperca lepidoptera) amongst encrusted Fiordland black coral (Antipathella fiordensis) in Breaksea Sound, Fiordland National Park, New Zealand.

Richard Robinson / Butterfly perch (Caesioperca lepidoptera) in Dusky Sound, Fiordland National Park, New Zealand.

Richard Robinson / Butterfly perch (Caesioperca lepidoptera), snake star (Astrobrachion constrictum) and Fiordland black coral (Antipathella fiordensis) and New Zealand fur seal (Arctocephalus forsteri) in Dusky Sound,...

Fred Bavendam / Butterfly Perch (Caesioperca lepidoptera) school, Tasmania, Australia

Fred Bavendam / Butterfly Perch (Caesioperca lepidoptera) swarming around two Sponges riddled with Golden Zoanthids, Tasman Peninsula, Australia

Fred Bavendam / Butterfly Perch (Caesioperca lepidoptera) swimming in an invertebrate community including Sponges, Gorgonians and Golden Zoanthids at 35 meters depth, Bicheno, Tasmania, Australia

Georgette Douwma / Yellow tropical reef fish composite image on black background, Falcula butterflyfish (Chaetodon falcula), Yellow boxfish (Ostracion cubicus), Golden butterflyfish (Chaetodon semilarvatus), Red Sea clo...

Georgette Douwma / Yellow tropical reef fish composite image on black background, Sailfin tang (Zebrasoma veliferum) juvenile, Pajama cardinalfish (Sphaeramia nematoptera), Three-spot angelfish (Apolemichthys trimaculat...

Philippe Clement / Speckled wood (Pararge aegeria) butterfly with severely damaged wings resting on leaf, Belgium, April