David Fleetham / Schooling Raccoon butterflyfish (Chaetodon lunula) framed in a lava formation off the island of Lanai, Hawaii.

David Fleetham / Schooling Raccoon butterflyfish (Chaetodon lunula) framed in a lava formation off the island of Lanai, Hawaii.

David Fleetham / Spinyhead blenny (Acanthemblemaria spinosa) in hard coral, Netherlands Antilles, Bonaire, Caribbean.

David Fleetham / Schooling Brown striped snapper (Xenocys jessiae) and Yellowtail sawtail (Prionurus laticlavius), Galapagos Islands, Ecuador.

David Fleetham / Close up of underside of Panamic cushion star (Pentaceraster cumungi), Galapagos Islands, Ecuador.

David Fleetham / White mouthed moray eel (Gymnothorax meleagris), Hawaii.

David Fleetham / Pair of Yellow edged moray eels (Gymnothorax flavimarginatus) in coral crevice, Hawaii.

David Fleetham / Opening in the mantle of Giant clam (Tridacna gigas) Tubbataha Reef, Philippines.

David Fleetham / Clown anemonefish (Amphiprion ocellaris), Philippines.

David Fleetham / White-eyed moray eel (Muraena thyrsoides) close to Zebra lionfish (Dendrochirus zebra), Philippines.

David Fleetham / Striped triplefin (Helcogramma striata) on hard coral, Tubataha Reef, Philippines.

David Fleetham / Pair of Tomato anemonefish (Amphiprion frenatus) in Bulb tenacle sea anemone (Entacmaea quadricolor), Philippines.