It is an invertebrate sea organism, belongs to Phylum-Echinoddermata, Class Asteroidea. It inhabits inter-tidal to deep sea area. It has generally 5 arms. The optimum water quality in aquarium is temperature 24-26 0C and pH 7.0-7.5. Feed mostly on meaty items. Reproduction is by sexual and asexual means. Life span is 10-34 years.