[2] Longfin snake-eels can survive in both Marine and freshwater environments, and swim from the sea up rivers to spawn.

They are an Indo-Pacific tropical species that lives in the Red Sea region surrounded by East Africa, French Polynesia, Ogasawara Islands and Australia.

[5] [6] Longfin snake-eels are often found in lagoons and estuaries that as they enter freshwater.

[7] Loose groups of the eels congregate in tidal channels with their heads peeking up from below the surface.

[8] Anglers catch them with bag nets in estuaries and tidal areas.