* Astropyga radiata (Leske, 1778)

Fig. 25 A–C.

Astropyga radiata: Alcock & Anderson, 1984: 192; Mortensen, 1904: 18 –22. Pl. III, Figs 15, 19. Pl. IV, Figs 9, 17. Pl. V. Fig. 27; H.L. Clark, 1923: 373; H.L. Clark, 1925a: 46 –47; Clark & Courtman-Stock, 1976: 224; Richmond, 1997: 296; Samyn, 2003: 201, Figs 2 F, F’, F”; Schultz, 2010: 88, Figs 157–161; Filander & Griffiths, 2014: 52. Pl. I, Fig. I.

Material examined. MBC-A 022214; SAMC-A28211.

Identification. Test red, with v-shaped, naked interambulacra zones aborally, with dark spots, shinning blue in live animal; pore-pairs almost in contact orally, distant aborally; madreporite extending into interambulacra.

Global maximum size. Maximum test diameter 118 mm.

Global distribution. East coast region of South Africa (Filander & Griffiths 2014). Kenya (Samyn 2003), Zanzibar to Queensland, Australia, and Hawaiian Islands; littoral to 60 m depth (Schultz 2010).

Remarks. Spines of adults and juveniles vary in colour, juvenile spines banded white and purplish-brown and those of adults a uniform color.