Northern mangrove seasnake

The northern mangrove seasnake (Parahydrophis mertoni), also known commonly as the Arafura smooth seasnake, is a species of venomous snake in the family Elapidae. The species is endemic to Australia and New Guinea.

Etymology
The specific name, mertoni, is in honor of German zoologist Hugo Merton.

Geographic range
Parahydrophis mertoni is found in Northern Australia in Northern Territory and Queensland. It is also found in New Guinea in the Arafura Sea.

Description
Parahydrophis mertoni is blackish-olive with about 46 yellow rings on the body and ten on the tail. The head shields are spotted with yellow, except for the rostral and labials which are black.

Reproduction
Parahydrophis mertoni is viviparous.