Sea urchins (Echinoidea)

Long spined seaurchin (Diadema setosum), Pulau Redang, West Malaysia

Long spined seaurchin (Diadema setosum), Pulau Tioman, West Malaysia

Long spined seaurchin (Diadema setosum), Pulau Tioman, West Malaysia

Long spined seaurchins (Diadema setosum), Pulau Tioman, West Malaysia

Banded seaurchins (Echinothrix calamaris), Pulau Badas, Indonesia

Banded seaurchins (Echinothrix calamaris), Pulau Aur, West Malaysiasia

Star urchin (Astropyga radiata), Puerto Galera, Mindoro, Philippines

Star urchin (Astropyga radiata), Anilao, Batangas, Philippines

Star urchin (Astropyga radiata), Anilao, Batangas, Philippines

Diadem urchin (Diadema savignyi), Anilao, Batangas, Philippines

Seaurchin, Pulau Tioman, West Malaysia

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