Hydrophis sibauensis
Basic stats
Venom
Venomous (highly venomous elapid — treat any bite as a medical emergency)
Diet
Fish
Habitat
Rivers and freshwater lakes
Range
Borneo (Kapuas river system, Kalimantan)
Litter size
Live-bearing, poorly documented (typical for Hydrophis)
Gestation period
About 6–7 months (typical for Hydrophis)
Size
Medium (up to 1m)
Weight
~0.5–1kg
An unusual sea snake that lives entirely in fresh water, restricted to the Kapuas river system and its lakes in Kalimantan — one of the very few sea snakes found nowhere near the sea.
Venomous and fish-eating; bites should always be treated as a medical emergency despite its freshwater, inland habits.
