Crown jellyfish (Cephea cephea) off Oahu, Hawaii. Crown jellyfish have a deep groove running around the bell, giving them the crown shape from which they take their name. Hawaii.
Lobster larva near settlement. Indonesia.
A spotted cleaner shrimp (Periclimenes yucatanicus) in a pink-tipped anemone. Bahamas
A swimming bristle worm at night. Indonesia.
Starfish. Papua New Guinea.
Coral pattern. Palau.
A sea cucumber (Holothuroidea sp.) extends off the reef and releases gametes in the current.
Head shot of a pelagic shrimp. Hawaii.
A crinoid (Crinoid sp) looking stylish at night. Indonesia.
Squat lobster in a crinoid. Indonesia.
Green-eye dancing shrimp (Cinetorhynchus sp.). Fiji.
Bristle star and crabs on a soft coral. Papua New Guinea.
Juvenile squid schooling at night. Florida.
Harlequin shrimp (Hymenocera elegans) feeding on a sea star (Linkia sp.). Indonesia.
Flabellina iodinea nudibranch. California.
Crab megalopa collected in an egg tow. Hawaii.
Crown jellyfish (Cephea cephea) on a night dive. Crown jellyfish have a deep groove running around the bell, giving them the crown shape from which they take their name. Hawaii.
Pyrosome at night. Pyrosomes are actually free-floating colonial tunicates made up of hundreds to thousands of individuals, known as zooids. California.
Crab close up. Indonesia.
Mantis shrimp larva - 65.0 mm TL. Papua New Guinea.
Crinoid shrimp (Hippolyte catagrapha). Philippines.
California spiny lobster (Panulirus interruptus). California.
Flabellina nudibranch. Indonesia.
Pelagic nudibranch near the ocean surface of the pelagic zone at night.
Collected unidentifed pelagic crustacean larva. Hawaii.
Over-under scene of jellyfish under mangroves in Palau.
Humpback shrimp (Saron sp.). Fiji.
Harlequin shrimp (Hymenocera elegans). Philippines.
Nudibranch (Nembrotha purpureolineata). Papua New Guinea.
A cuttlefish (Sepia officinalis) at dusk.
Hawaiian bobtail squid in the open ocean at night
Flabellina nudibranch. Philippines.
Nudibranch (Chromodoris willani). Indonesia.
Nudibranch (Nembrotha kubaryana). Papua New Guinea.
Juvenile cuttlefish. Papua New Guinea.
Reef Squid (Sepioteuthis sp.). Like all cephalopods, squid have a distinct head, bilateral symmetry, a mantle, and eight arms. There are around 300 species of squid. Indonesia.
Pram bug (Phronima sedentaria) in the barrel of salp
Two giant basket stars (Astrophyton muricatum) at night. Indonesia.
Chromodoris kuniei nudibranch. Indonesia.
Hyperiid amphipods riding a jellyfish in the open ocean at night.
Squid larva - 12.6 mm TL. Papua New Guinea.
Crinoid shrimp (Hippolyte catagrapha). Philippines.
Dozens of starfish cover a sand bed at Cocos Island. Costa Rica.
Odd looking donald duck shrimp (Leander plumosus) on a coral. Indonesia.
Nudibranch (Chromidoris sp.). Philippines.
Nudibranch (Flabellina sp.). Indonesia.
Emperor shrimp (Periclimenes imperator) on a sea cucumber. Indonesia.
An octopus larva hitches a ride on a leaf on a blackwater dive in the Solomon Islands.
A banded coral shrimp (Stenopus hispidus) in the Bahamas.
Peacock mantis shrimp (Hemisquilla ensiger). Papua New Guinea.
Collected pink jellyfish (Pelagia species). Hawaii.
Squid (Cephalapod sp.) at night. Palau.
Hydromedusa parasitized by a hyperiid amphipod in the open ocean at night
Porcelain anemone crab (Neopetrolisthes maculosus) on a carpet anemone. Indonesia.
Juvenile banded mantis shrimp (Lysiosquilla maculata) reflecting off the surface on a blackwater dive in Palau.
Salp in the open ocean at night.
Head on shot of a shrimp's eyes. Philippines.
Octopus larva - 9.5 mm TL. Papua New Guinea.
Sea elephant at night in the open ocean
Head on shot of peacock mantis shrimp (Hemisquilla ensigera californiensis) carrying a large clutch of eggs. Philippines.
A reef squid (Sepioteuthis sp.) in full irridescence. Cephalopods create this amazing camouflage using specialized color changing cells (chromatophores) and reflecting cells (iridocytes) in the skin. Indonesia.
Shrimp sitting on a colonial radiolarian in the open ocean at night off Oahu, Hawaii.
Head on shot of painted spiny lobster (P. versicolor). Fiji.
Bigfin reef squid (Sepioteuthis lessoniana). Philippines.
Atlantic triton's trumpet (Charonia variegata) feeding on a cushion sea star (Oreaster reticulatus). Sea stars are the triton’s primary prey item. A trumpet snail paralizes its prey with an injection of toxic saliva, and then bores through the body with its strong teeth. Adult trumpets are heavily collected for their beautiful shells, which has allowed sea star populations to proliferate in recent years. Bahamas.
Crinoid squat lobster (Allogalathea elegans). Indonesia.
Yellow crinoid shrimp. Indonesia.
Nudibranchs (Chromodoris willani) at night. Philippines.
Giant marine hermit crab (Petrochirus diogenes ) on a wreck in the Bahamas.
Saron shrimp (Saron sp.) in a crevice. Papua New Guinea.
Common octopus (Octopus vulgaris) out and about on a colorful reef. Indonesia.
Anenome shrimp (Periclemenes sp.). Indonesia.
Anenome shrimp (Periclemens sp.). Indonesia.
Two bubble coral shrimp (Vir philippinensis) in an anemone. Papua New Guinea.
Larval squid releasing ink. Papua New Guinea.
Nudibranch on a tunicate. Indonesia.
Fairy crab (Lauriea siagiani). Papua New Guinea.
Crab on a softcoral. Papua New Guinea.
Emperor shrimp (Periclimenes imperator). Philippines.
Squid (Cephalapod sp.) under rain drops. Palau.
Soft coral crab (Hoplophrys oatesi). Indonesia.
Barred wire coral shrimp (Pontonides sp.). Fiji.
Saw blade shrimp (Tozeuma armatum) carrying eggs. Philippines.
Two fairy crabs (Lauriea siagiani). Papua New Guinea.
Nudibranch (Chromodoris lochi). Philippines.
Puerulus slipper lobster in the open ocean at night.
Collected sea swallow (Glaucus atlanticus), a pelagic aeolid nudibranch. Hawaii.
Juvenile octopus reflects off the surface (Octopus sp.) in Papua New Guinea.
Blue-ringed octopus (Hapalochlaena lunulata) juvenile on Halimeda algae. Papua New Guinea.
Bird's eye view of painted spiny lobster (Panulirus vesicolor). Indonesia.
Octopus larva - 9.5 mm TL. Papua New Guinea.
Squid larva feeding on a larval mantis shrimp. Solomon Islands.
Spotted spiny lobster (Panulirus guttatus). Bahamas.
Head on shot of spiny tiger shrimp (Phyllognathia ceratophthalmus). Indonesia.
Squat lobster on a sponge. These decapod crustaceans are not lobsters at all, but are more closely related to porcelain crabs, hermit crabs and then, more distantly, true crabs. Halmahera, Indonesia.
Portuguese man-of-war captures a damselfish larva at night in the open ocean.
Ctenophore feeding on a bristle worm near the ocean surface of the pelagic zone at night.
Mating nudibranchs (Nembrotha lineolata). Indonesia.
Two soft corals attached to a giant giant clam (Tridachna gigas) in Palau.
Spider crab (Hyastenus bispinosus) on gorgonian. Fiji.
Reef squid in defense posture on a blackwater dive. Solomon Islands.
Nudibranch (Nembrotha sp.) on a tunicate. Indonesia.
Nudibranch (Chromodoris michaeli). Philippines.
Brain coral (Leptoria phrygia) pattern. Bahamas.
Collected blue pelagic shrimp. Hawaii.
A bright orange bristle star on a soft coral. Tonga.
A mantis shrimp (Odontodactylus scyllarus) peers out of its den. Indonesia.
I found a large aggregation of several hundred moon jellyfish in the lee of a small island in open ocean. Moon jellyfish aggregate under favorable (slack current) conditions to reproduce sexually. Solomon Islands.
A close-up of the of the red pencil urchin's (Heterocentrotus mammillatus) spines and skeleton (test). Hawaii.
Blue starfish and soft coral reef scene. Indonesia.
Emperor shrimp or Imperial shrimp (Periclimenes imperator) lives commensally on a number of hosts, including this sea slug: Hexabranchus. Philippines.
Decorator crab. Indonesia.
Bobtail squid with tentacles up in defense posture in the open ocean at night
Ctenophore at night in the open ocean
A flamboyant cuttlefish (Metasepia pfefferi) lifts off from the muck in search of food. Indonesia.
Crab on dendronephthya soft coral. Indonesia.
Swimming pelagic marine copepod (5.7 mm). Hawaii.
An emperor shrimp (Periclimenes imperator ) on a serpentine sea cucumber. Indonesia.
Blue boxer shrimp (Stenopus tenuirostris). Indonesia.
Two-spot lizardfish (Synodus binotatus) with four stages of parasitic isopods. Tonga.
Anemone hermit crab (Dardanus pedunculatus). Indonesia.
Collected pelagic copepod (Sapphirina sp.) - 4.5 mm TL. Hawaii.
A spotted spiny lobster (Panulirus guttatus). Bahamas.
A reef squid on a bonfire dive in the Solomon Islands.
Chambered nautilus (Nautilus pompilius). Papua New Guinea.
Saron shrimp (Saron marmoratus). Saron shrimps are quite variable in color and pattern. They may have greenish, brown, or even red, purple or blue markings. Ambon, Indonesia.
Bristle worm epitoke in the open ocean at night
