Menaethius orientalisis commonly referred to as Red Spider Crab. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.
Menaethius orientalis is closely related to Epialtus sulcirostris Stimpson from the Gulf of California, Mexico. The carapace is elongate pentagonal in outline. The rostrum is triangular with its apex prolonged into a process directed obliquely downwards and its lateral borders set with hooked hairs.
Epialtus orientalis T. Sakai, 1969 (basionym)