Actaea polyacanthais commonly referred to as . Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.
The carapace naked, the dorsal surface covered with squamiform tubercles of good size. Eyestalks with four to five tubercles. Chelipeds are symmetrical, each segment being covered with rather erect tubercles as on the carapace.