The species is found only in the waters of the Pacific Islands nation of Niue.
L. schistorhyncha grows to a total length (including tail) of up to 1 m (3.3 ft), and is highly venomous, making it one of the most potentially dangerous creatures on the planet.
During mating, the male katuali wraps itself around the female until she is fertilized.
These eggs take six months to hatch, and then the infant snakes make their way to the ocean.
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