Juergen Freund / Close-up of a Horned sea snake (Acalyptophis peronii) resting its head on its coils. Queensland, Australia, February

Juergen 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...

Georgette Douwma / Seasnake on beach beside tourist {Laticauda laticaudata} Ile de Maitre, New Caledonia, Pacific

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}

Shane Gross / Head portrait of a Shaws seasnake (Lapemis curtus) underwater near Malapascua, Philippines.

Claudio Contreras / Seasnake amongst mangroves, Batasan Island, Danajon Bank, Central Visayas, Philippines, April

Georgette Douwma / Boie's / Banded Sea Snake (Enhydrina schistosa). Manado, North Sulawesi, Indonesia.

Juergen Freund / Researcher Guido Westhoff looking into a crate full of sea snakes caught during 3 hours spent spotlighting the river's surface at night. These snakes have been caught as part of a project to discover...

Juergen Freund / Researcher Guido Westhoff uses an anesthesized Horned sea snake (Acalyptophis peronii) to discover whether sea snake tails have light receptors. A Faraday shield is used for shielding off noise. The e...

Juergen Freund / Horned sea snake (Acalyptophis peronii) coiled with its head resting on its body, against a white background. Queensland, Australia

Juergen Freund / Close-up of a Horned sea snake (Acalyptophis peronii) resting its head on its coils, seen from above. Queensland, Australia, February