The Red Devil Vampire Crab (Geosesarma hagen) is a small, very colorful, semi-terrestrial species that is native to Java, Indonesia. It inhabits forest areas near aquarium s, and ponds. It spends most of its time on land, but also often submerges in freshwater, including when it molts. It is communal with its own species, and males typically are larger than females, and also have much larger claws.
