David Shale / Fang Tooth {Anoplogaster cornuta} close-up of head showing teeth, from the Mid-Atlantic Ridge, 2600m

Franco Banfi / Close view of a Green anaconda, (Eunectes murinus) underwater, Formoso River, Bonito, Mato Grosso do Sul, Brazil

Colin Varndell / Grass snake (Natrix natrix) Dorset, UK May

Matthew Maran / Grass snake (Natrix natrix) flicking tongue, Hampstead Heath, London, England, UK, August.

Luis Quinta / Grass snake (Natrix natrix) juvenile playing dead, Alvao, Portugal, April.

Luis Quinta / Grass snake (Natrix natrix) swimming in river, Olo, Alvao, Portugal, June.

Claudio Contreras / Checkered garter snake (Thamnophis marcianus) Laredo Borderlands, Texas, USA. April

Jurgen Freund / Banded sea kraits (Laticauda colubrina) around the roots of mangrove tree, split level. Mali Island, Macuata Province, Fiji, South Pacific.

Brandon Cole / Two Olive-brown sea snakes (Aipysurus laevis) interacting, venomous species. Great Barrier Reef, Australia, Pacific Ocean. Noevmber.

Nick Garbutt / Yellow Anaconda (Eunectes notaeus) in vegetation at the edge of the Paraguay River, Taiama Reserve, western Pantanal, Brazil, South America.

Franco Banfi / Green anaconda (Eunectes murinus) underwater, flicking tongue, Formoso River, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Green anaconda (Eunectes murinus) swimming inFormoso River, Bonito, Mato Grosso do Sul, Brazil

Danny Green / Grass Snake (Natrix natrix) on lily pad, reflected in water. Leicestershire, UK, October.

Sandesh Kadur / Large scaled pit viper (Trimeresurus macrolepis) head profile, water droplet below, Western Ghats, Southern India

Robin Chittenden / Grass snake (Natrix natrix) swimming at surface, Dobrogea Tulcea, Danube Delta, Romania, May

Terry Whittaker / 2020VISION / Grass snake (Natrix natrix) swimming through water, Wicken Fen, Cambridgeshire, UK, June

Jurgen Freund / Diver holding Banded sea krait (Laticauda colubrina) South Sulawesi, Indonesia.

Daniel Heuclin / Brown-banded Southern Water Snake (Nerodia fasciata) head in profile as it tastes the air with tongue. Controlled conditions. Lake Fausse-Pointe State Park, Louisiana, USA, November.

Jurgen Freund / The GEO snake expedition team braving the flooded waters to follow the lead of an aboriginal man looking for snakes in their sacred place. Queensland, Australia, February 2008. Model released.

Jurgen Freund / Guido Westhoff spotlighting the water surface looking for sea snakes surfacing to take a breath. The snakes are being caught as part of a project to discover more about seasnake skin ultrastructure an...

Jurgen Freund / Researchers Guido and Katja Westhoff with Little filesnake (Acrochordus granulatus) caught by spotlighting when the snake surfaces to take a breath. Although true sea snakes are venomous, this aquatic...

Rolf Nussbaumer / Western Cottonmouth snake (Agkistrodon piscivorus leucostoma) on lake flicking tongue. Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

Rolf Nussbaumer / Head portrait of Gulf Coast Ribbon snake (Thamnophis proximus orarius) covered in duckweed and swimming, with tongue protruding, Fennessey Ranch, Refugio, Corpus Christi, Coastal Bend, Texas Coast, U...

Wild Wonders of Europe / Ziegler / Dice snake (Natrix tesselata) hunting for little fish and tadpoles in a lake, Patras area, Peloponnese, Greece, May 2009 WWE BOOK. WWE INDOOR EXHIBITION

Paul Hobson / Grass snake (Natrix natrix) swimming amongst duck weed, Oxfordshire, UK

Wild Wonders of Europe / Ziegler / Dice snake (Natrix tesselata) swimming while hunting for little fish and tadpoles in a lake, Patras area, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Ziegler / Dice snake (Natrix tesselata) hunting for small fish and tadpoles in a lake, Patras area, The Peloponnese, Greece, May 2009

David Shale / Fangtooth (Anoplogaster cornuta) portrait, Mid-Atlantic Ridge, North Atlantic Ocean

Wild Wonders of Europe / Nill / Dice snake (Natrix tessellata) near water, Bulgaria, May 2008 Wild Wonders kids book.

David Shale / Close up of head of Scaly dragonfish {Stomias boa} showing lure, from the Mid-Atlantic Ridge, depth 75-0m

David Shale / Fang Tooth {Anoplogaster cornuta} close-up of head showing teeth, from the Mid-Atlantic Ridge, 2600m

Solvin Zankl / Grass Snake (Natrix natrix) beside Marsh marigold flower in riverine habitat, Germany

Jurgen Freund / Trunkfish / Longhorn cowfish {Lactoria cornuta}

Rolf Nussbaumer / Checkered Garter Snake {Thamnophis marcianus marcianus} adult swimming, Rio Grande Valley, Texas, USA, May

Peter Scoones / Yellow / Goldsaddle goatfish (Parupeneus cyclostomus) hunting together with Bluefin Jacks (Caranx melampygus) and Chinese sea kraits {Laticauda semifasciata} over coral reef, Gunung Api, Banda sea, In...

David Shale / Deepsea fish {Stomias boa} with lure and light organs, deep sea Atlantic ocean

David Shale / Fangtooth, bathypelagic fish (Anoplogaster cornuta), deep sea Atlantic ocean

Andy Sands / Grass snake {Natrix natrix} swimming, Captive, UK

Jurgen Freund / Crocodile snake eel {Brachysomophis crocodilinus} burrowing in sediment.

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}

Brandon Cole / Banded sea krait {Laticauda colubrina} swimming over coral reef, Sulawesi, Indonesia, Indo Pacific NOT FOR SALE IN USA

David Shale / Fangtooth deep sea fish, Atlantic ocean

Pete Oxford / Anaconda {Eunectes murinus) after ingesting Peccary prey, night, Amazon, Ecuador, South America

Jurgen Freund / Banded sea krait, Pacific

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

Andrew Cooper / Grass Snake swimming, England (Natrix natrix) Devon

Claus Meyer / Green Anaconda (Eunectes murinus) moving through wetland vegetation, Pantanal ecosystem, Brazil