Conspicuous shell, up to 20cm, with coarse transverse ridges, large tubercles, and a heavy lip with seven more or less straight fingers of varying length. Exterior colour variable, white-cream with brown or bluish patches, sometimes with thin brown periostracum. Interior rich pink, orange or purple. Habitat: sheltered shallow waters. Distribution: Indo-Pacific. Regional names: Kis. Nyangale, Madole, Vikocho; Port. Aranha-de-sete-dedos. (Richmond, 1997).