Juergen Freund / Brittlestar on gorgonian fan coral, Papua New Guinea.

Juergen Freund / Banded sea krait (Laticauda colubrina) swimming above coral reef, Pacific

Michael & Patricia Fogden / Clark's Coral Snake (Micrurus clarki) venomous snake with warning coloration, rainforest, Costa Rica

Claus Meyer / Aquatic Coral Snake (Micrurus surinamensis) showing warning color pattern, Amazon ecosystem, Brazil

Constantinos Petrinos / Banded sea krait {Laticauda colubrina} Sulawesi Indonesia prized for skin in Philippines - leather snakeskin industry

Georgette Douwma / Sea krait {Laticauda sp} on coral reef with Sea squirts Banda, Moluccas, Indonesia {Polycarpa aurata} {Rhopalaea sp}

Chris Mattison / African Coral Snake (Aspidelaps lubricus) in striking pose. Springbok, South Africa.

Daniel Heuclin / Bolivian triad coral sanke (Micrurus frontifasciatus) coiled up on leaves, Bolivia, controlled conditions

Daniel Heuclin / Bolivian triad coral sanke (Micrurus frontifasciatus) on leaves, Bolivia, controlled conditions

Daniel Heuclin / Bolivian triad coral sanke (Micrurus frontifasciatus) on leaves, Bolivia, controlled conditions

Tony Phelps / Namib Coral Snake (Aspidelaps lubricus cowlesi) on sand. Aus, Namibia, Southern Africa, April.

Juergen Freund / Black finned snake eel (Ophichthus melanochir) outside its hole, free swimming. Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Black finned snake eel (Ophichthus melanochir) with commensal shrimp. Lembeh Strait, North Sulawesi, Indonesia

Juergen Freund / Black finned snake eel (Ophichthus melanochir) looking out of its hole in the sea bed. Lembeh Strait, North Sulawesi, Indonesia

Tony Phelps / Namib Coral Snake (Aspidelaps lubricus cowlesi). Aus, Namibia, January.

Tony Phelps / Namib Coral Snake (Aspidelaps lubricus cowlesi) with flattened hood in defensive display. Aus, Namibia, January.

David Shale / Brittlestar (Ophiuroidea) on Gorgonian seafan coral mid Atlantic Ridge, June 2010

Tony Phelps / Western Coral Snake (Aspidelaps lubricus) coiled within itself against rocks, Khomas, Namibia

Tony Phelps / Western Coral Snake (Aspidelaps lubricus cowlesi) coiled within itself against rocks, Khomas, Namibia

Michael D. Kern / Cape coral snake / coral cobra (Aspidelaps lubricus lubricus) head raised in strike posture, captive, from southern Africa

Tony Phelps / Coral snake (Aspidelaps lubricus) defensive display, Little Karoo, South Africa

Nick Garbutt / Banded coral snake (Calliophis intestinal) in leaf litter. Danum Valley, Sabah, Borneo, Malaysia

Juergen Freund / Longhorn cowfish {Lactoria cornuta} Great Barrier Reef, Australia

Michael & Patricia Fogden / Clark's Coral Snake (Micrurus clarki) venomous species showing warning coloration, Costa Rica

TIM MARTIN / Central American coral snake {Micrurus nigrocinctus} swimming, Tortuguero NP, Costa Rica

Tony Phelps / African coral snake {Aspidelaps lubricus} Northern Cape, South africa

Tony Phelps / African coral snake {Aspidelaps lubricus} Northern Cape, South africa

Tony Phelps / Coral Snake {Aspidelaps lubricus} Juvenile, Little Karoo, South Africa

Tony Phelps / Coral snake, defense posture {Aspidelaps lubricus lubricus} South Africa

Juergen Freund / Olive brown seasnake swimming {Aipysurus laevis} Great Barrier Reef, Australia.

Juergen Freund / Olive brown seasnake {Aipysurus laevis} Great Barrier Reef, Australia.

Juergen Freund / Olive brown seasnake {Aipysurus laevis} Great Barrier Reef, Australia.

GEORGETTE DOUWMA / Basket star coiled on Seafan. Bunaken, Sulawesi, Indonesia

Juergen Freund / Olive brown seasnake {Aipysurus laevis} Great Barrier Reef, Australia.

ZSSD / California Mountain Kingsnake (Lampropeltis zonata) portrait, non-venomous snake that mimics the venomous Coral Snake, native to western United States

Michael & Patricia Fogden / Angolan Coral Snake (Aspidelaps lubricus) defensive display, southern Africa

Michael & Patricia Fogden / Angolan Coral Snake (Aspidelaps lubricus) defensive display, southern Africa

Michael & Patricia Fogden / Bright-ringed Snake (Erythrolamprus bizonus) rear-fanged mimic of Coral Snake, swallowing a Cat-eyed Snake, rainforest, Costa Rica

Michael & Patricia Fogden / Halloween Snake (Pliocercus euryzonus) rear-fanged mimic of Coral Snake, swallowing Rain Frog (Eleutherodactylus sp) rainforest, Costa Rica

Michael & Patricia Fogden / Halloween Snake (Pliocercus euryzonus) rear-fanged mimic of Coral Snake, swallowing Rain Frog (Eleutherodactylus sp) rainforest, Costa Rica

Michael & Patricia Fogden / Halloween Snake (Pliocercus euryzonus) rear-fanged mimic of Coral Snake, swallowing Rain Frog (Eleutherodactylus sp) rainforest, Costa Rica

Michael & Patricia Fogden / Allen's Coral Snake (Micrurus alleni) portrait of venomous snake with black and red warning colors, Costa Rica

Michael & Patricia Fogden / Skink-eater Snake (Scaphiodontophis venustissimus) non-venomous mimic of the Coral Snake, rainforest, Costa Rica

Michael & Patricia Fogden / Skink-eater Snake (Scaphiodontophis venustissimus) non-venomous mimic of the Coral Snake, rainforest, Costa Rica

Michael & Patricia Fogden / Colubrid Snake (Rhinobothryum bovallii) a non-venomous mimic of the Coral Snake, in rainforest, Costa Rica

Michael & Patricia Fogden / Calico Snake (Oxyrhopus petola) rear-fanged mimic of the Coral Snake, in the rainforest, Costa Rica

Michael & Patricia Fogden / Milk Snake (Lampropeltis triangulum) a Kingsnake, shedding its skin, non-venomous mimic of Coral Snake, in the rainforest, Costa Rica

Michael & Patricia Fogden / Milk Snake (Lampropeltis triangulum) a Kingsnake, non-venomous mimic of Coral Snake on mossy rainforest floor, Costa Rica

Michael & Patricia Fogden / Milk Snake (Lampropeltis triangulum) a Kingsnake, harmless mimic of Coral Snake in rainforest, Costa Rica

Michael & Patricia Fogden / Milk Snake (Lampropeltis triangulum) a Kingsnake, harmless mimic of Coral Snake in rainforest, Costa Rica

Michael & Patricia Fogden / Milk Snake (Lampropeltis triangulum) a Kingsnake, harmless mimic of Coral Snake, constricting a Spiny Pocket Mouse (Heteromys sp) rainforest, Costa Rica

Michael & Patricia Fogden / Milk Snake (Lampropeltis triangulum) a Kingsnake, harmless mimic of Coral Snake, constricting and eating a Spiny Pocket Mouse (Heteromys sp) rainforest, Costa Rica

Michael & Patricia Fogden / Milk Snake (Lampropeltis triangulum) a Kingsnake, harmless mimic of Coral Snake, constricting and swallowing a Spiny Pocket Mouse (Heteromys sp) rainforest, Costa Rica

Michael & Patricia Fogden / Milk Snake (Lampropeltis triangulum) a Kingsnake, harmless mimic of Coral Snake, constricting and swallowing a Spiny Pocket Mouse (Heteromys sp) rainforest, Costa Rica

Michael & Patricia Fogden / Redtail Coral Snake (Micrurus mipartitus) defensive display, venomous snake, Costa Rica

Michael & Patricia Fogden / Allen's Coral Snake (Micrurus alleni) venomous snake with warning colors, La Selva Biological Research Station, Costa Rica

Claus Meyer / Aquatic Coral Snake (Micrurus surinamensis) on rock, Amazon forest, Brazil

Michael & Patricia Fogden / Arizona Coral Snake (Micruroides euryxanthus) eating Southeastern Crowned Snake (Tantilla coronata), Sonoran Desert, Arizona

Michael & Patricia Fogden / Bright-ringed Snake (Erythrolamprus bizonus) rear-fanged mimic of Coral Snake, preying on a Forest Racer (Dendrophidion vinitor) rainforest Costa Rica

Michael & Patricia Fogden / Bright-ringed Snake (Erythrolamprus bizonus) rear-fanged mimic of Coral Snake, preying on a Forest Racer (Dendrophidion vinitor) rainforest, Costa Rica

Michael & Patricia Fogden / Black-banded Coral Snake (Micrurus nigrocinctus) hatching from egg, rainforest, Costa Rica

Michael & Patricia Fogden / Fire-bellied Snake (Leimadophis epinephalus) harmless mimic of coral snake, defensive display, cloud forest, Costa Rica

Michael & Patricia Fogden / Fire-bellied Snake (Leimadophis epinephalus) harmless mimic of Coral Snake, defensive display, cloud forest, Costa Rica

Michael & Patricia Fogden / Redtail Coral Snake (Micrurus mipartitus) venomous, defensive tail wriggling display, rainforest, Costa Rica

Michael & Patricia Fogden / Black-banded Coral Snake (Micrurus nigrocinctus) venomous rainforest, Costa Rica

Michael & Patricia Fogden / Redtail Coral Snake (Micrurus mipartitus) venomous, in rainforest, Costa Rica

Norbert Wu / Sonoran Mountain King Snake (Lampropeltis pyromelana knoblochi) mimics venomous Coral Snake with similar banded pattern, Arizona

Mitsuhiko Imamori / Milk Snake (Lampropeltis triangulum) mimics poisonous Coral Snake

Mitsuhiko Imamori / Black-banded Coral Snake (Micrurus nigrocinctus) aerial view, on rock, Central America

Tony Phelps / Coral snake threat display {Aspidelaps lubricus} Namibia, captive

Juergen Freund / Olive brown sea snake {Aipysurus laevis} Great Barrier Reef, Australia

John Cancalosi / Arizona coral snake. (Micruroides euryxanthes) USA Arizona, captive

MORLEY READ / Coral snake, Trinidad.

Juergen Freund / Olive brown sea snake {Aipysurus laevis} Great Barrier Reef, Queensland, Australia

PREMAPHOTOS / Coral snake (Micrurus frontifasciatus) Andes semi-desert at 3300 metres, Bolivia. Rare species.

Tony Phelps / Coral Snake (Aspidelaps lubricus) strike pose, Little Karoo, South Africa

Tony Phelps / Coral Snake (Aspidelaps lubricus) strike pose with tongue flickering, Little Karoo, South Africa

Michael & Patricia Fogden / Calico Snake (Oxyrhopus petola) rear-fanged mimic of the Coral Snake, in the rainforest, Costa Rica

Michael & Patricia Fogden / Arizona Coral Snake (Micruroides euryxanthus) eating Southeastern Crowned Snake (Tantilla coronata), Sonoran Desert, Arizona

John Cancalosi / Arizona coral snake. (Micruroides euryxanthes) USA Arizona, captive