Waters around Malaysia, Borneo, Sumatra and Sulawesi
The black-banded sea snake is a marine snake native to waters around Malaysia, Borneo, Sumatra and Sulawesi. It eats eels (Wikipedia, general species account).
Quick answers
What does the Lesser Dusky Sea Snake eat?
Eels
Where is the Lesser Dusky Sea Snake found?
Waters around Malaysia, Borneo, Sumatra and Sulawesi