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

Juergen Freund / Researcher Guido Westhoff's Faraday shield aiming to find out if sea snake tail has light receptors - using anesthesized Shaw's Sea Snake (Lapemis curtus) specimen. The faraday shield is used for shie...

Juergen Freund / Researcher Guido Westhoff using an anesthesized Shaw's Sea Snake (Lapemis curtus) to discover whether sea snake tails have light receptors. A Faraday shield is used for shielding off noise. The electr...

Juergen Freund / Guido Westhoff blowing air into anesthesized Shaw's Sea Snake (Lapemis curtus). He uses a Faraday shield to find out if sea snake tail has light receptors. The Faraday shield is used for shielding off...

Juergen Freund / Anesthesized Shaw's Sea Snake (Lapemis curtus). Researcher Guido Westhoff is tyring to detect whether there are light-sensitive regions on the snake's tail. Queensland, Australia, February 2008