Genus

Common name: Radiant Sea Urchin

Scientific name: Astropyga

Astropyga is a genus of sea urchins commonly known as Radiant Sea Urchins or Blue-Spotted Sea Urchins. They are notable for their bright colors and prominent spines, which can be a hazard to unwary aquarists. These urchins are often found in tropical reefs and are known for their algae-grazing habits, which can be beneficial in controlling algae growth in aquariums. They require stable water conditions and plenty of live rock to thrive. Astropyga species are also interesting for their symbiotic relationships with various marine organisms, including shrimps and crabs that live among their spines for protection.

  1. Magnificent Urchin Astropyga magnifica
    Common name: Pale spine fire urchin
    Scientific name: Astropyga magnifica
  2. Blue-spotted Urchin (Astropyga radiata)
    Common name: Blue-spotted Urchin
    Scientific name: Astropyga radiata