David Hall / Crocodile snake eel (Brachysomophis henshawi), head sticking out of gravel. Pantar, Alor Archipelago, Indonesia.

David Hall / Blackfoot firefish (Parapterois heterurus), blue stripes on pectoral fin when threatened, on gravel. Pantar, Alor Archipelago, Indonesia.

David Hall / Crocodile snake eel (Brachysomophis henshawi) peering out of burrow. Pantar, Alor Archipelago, Indonesia.

David Hall / Deepwater frogfish (Nudiantennarius subteres). Pantar, Alor Archipelago, Indonesia.

David Hall / Many-eyed snake eel (Ophichthus polyophthalmus), head peering out of burrow. Pantar, Alor Archipelago, Indonesia; November, 2006.

David Hall / Swimmer crab (Lissocarcinus laevis) living commensally with Anemone (Actinodendridae). Pantar, Alor Archipelago, Indonesia.

David Hall / Arcfin shrimpgoby (Amblyeleotris arcupinna) and Snapping shrimp (Alpheus sp), blind shrimp maintaining contact with goby via antenna. Mutualism with shrimp maintaining burrow and goby acting as lookou...

David Hall / Shrimpgoby (Amblyeleotris arcupinna). Pantar, Alor Archipelago, Indonesia.

David Hall / Haig's porcelain crab (Porcellanella haigae) living commensally on Sea pen (Pennatulacea) Crab recently emerged from exoskeleton. Pantar, Alor Archipelago, Indonesia.

David Hall / Blackfoot firefish (Parapterois heterura), blue striped pectoral fins displayed as a response to threat. Pantar Island, Alor Archipelago, Indonesia.

David Hall / Brownbanded bamboo shark (Chiloscyllium punctatum) juvenile on sea floor. Pantar Island, Alor Archipelago, Indonesia.

David Hall / Sandperch (Parapercis sp) with two Isopod (Cymothoidae) ectoparasites on body. Pantar, Alor Archipelago, Indonesia.

David Hall / Soft coral ghostgoby (Pleurosicya boldinghi) swimming through Soft coral (Dendronephthya). Shrimp and benthic Comb-jellies (Ctenophora) present, all commensal. Pantar, Alor Archipelago, Indonesia.

David Hall / Compound ascidian (Ascidiacea sp possibly Botryllus sp). Pantar, Alor Archipelago, Indonesia.

David Hall / Compound ascidian (Ascidiacea sp possibly Botryllus sp). Pantar, Alor Archipelago, Indonesia.

David Hall / Ghostgoby (Pleurosicya boldinghi) commensal on Soft coral (Dendronephthya sp). Pantar, Alor Archipelago, Indonesia.

David Hall / Snake anemone (Actinostephanus haeckeli). Pantar, Alor Archipelago, Indonesia.

David Hall / Striated frogfish (Antennarius striatus), gravid female and small orange male. Pantar, Indonesia; November, 2006.

David Hall / Barred conger eel (Ariosoma fasciatus) head poking through gravel. Pantar, Alor Archipelago, Indonesia.

David Hall / Convict snake eel (Leiuranus versicolor) on sea floor. Pantar, Alor Archipelago, Indonesia.

David Hall / Shortsnout scorpionfish (Scorpaenopsis obtusa) camouflaged against sea floor. Pantar, Alor Archipelago, Indonesia.

David Hall / Paddle-flap scorpionfish (Rhinopias eschmeyeri) with open mouth. Pantar, Indonesia.

David Hall / Poison ocellate octopus (Amphioctopus mototi). Pantar, Alor Archipelago, Indonesia.

David Hall / Poison ocellate octopus (Amphioctopus mototi) with blue ring which appears when disturbed. Pantar, Alor Archipelago, Indonesia.

David Hall / Decorator crab (Majidae) covered with hydroid polyps, providing camouflage and defensive sting. On Soft coral (Alcyonacea). Pantar, Alor Archipelago, Indonesia; November, 2006

David Hall / Poison ocellate octopus (Amphioctopus mototi), warning colouration with blue ring and stripes. Pantar, Alor Archipelago, Indonesia.

David Hall / Compound sea squirt (Ascidiacea) encased in tunic covering. Pantar, Alor Archipelago, Indonesia.

David Hall / Blackfoot firefish (Parapterois hetururus) on gravel. Pantar, Alor Archipelago, Indonesia.

Shane Gross / Common ghost goby (Pleurosicya mossambica) on soft coral, Alor, Indonesia.

Shane Gross / Sea moth / dragonfish (Eurypegasos draconis) camouflaged on the seabed, near Alor, Indonesia.

Shane Gross / Peacock mantis shrimp (Odontodactylus scyllarus) trapped in a traditional Indonesian fishing trap made of bamboo. Alor, Indonesia.

Shane Gross / Tape seagrass (Enhalus acoroides) flower, Alor, Indonesia.

Shane Gross / Traditional bamboo fish trap on a busy coral reef near Alor, Indonesia.

Shane Gross / Common ghostgoby (Pleurosicya mossambica) on soft coral, Alor, Indonesia.

Shane Gross / Day octopus (Octopus cyanea) hunting along a pristine coral reef off Alor, Indonesia.

Shane Gross / Brown banded bamboo shark (Chiloscyllium punctatum) rests on a pristine coral reef, near Alor, Indonesia.

Shane Gross / Coral reef scene filled with a great diversity of fish and coral life, near Alor, Indonesia.

Shane Gross / Indonesian man catching worms on a beach to be used for fishing bait. Alor, Indonesia.

Shane Gross / Spear fisherman peers over a coral ledge looking for fish to hunt. Alor, Indonesia.

Shane Gross / Fire urchin (Asthenosoma varium) close-up detail showing the color and pattern of spines on its surface, off Alor, Indonesia

Shane Gross / Coral reef scene filled with a great diversity of fish and coral life, Alor, Indonesia.

Shane Gross / Yellow-lipped sea krait (Laticauda colubrina) hunting over coral reef off Alor, Indonesia.

Shane Gross / Tape seagrass (Enhalus acoroides) flower. Alor, Indonesia.

Shane Gross / Tape seagrass (Enhalus acoroides) fruit. Alor, Indonesia.

David Hall / Porcelain crab (Porcellanella haigae) on Sea pen (Veretillum sp). Pantar, Alor Archipelago, Lesser Sunda Islands, Indonesia.

David Hall / Soft coral porcelain crab (Lissoporcellana nakasonei) pair in Organ pipe coral (Tubipora musica). Pantar, Alor Archipelago, Lesser Sunda Islands, Indonesia.

David Hall / Squat lobsters (Galathea sp) camouflaged on Soft coral (Dendronephthya sp). Pantar, Alor Archipelago, Lesser Sunda Islands, Indonesia.