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Astropyga radiata red sea urchin

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Astropyga radiata, commonly known as the red sea urchin, is slightly algivorous and spends its time scouring the surroundings to clean rocks of algae and bacterial film. Be careful, it can be dangerous for humans with its spines and should be handled with caution using gloves.

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For your zone EUROPE la France, delivery fees are 24,90 € with carrier EXPRESS 24H Vivant - Live - Lebenden - Vivo - Levend
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Delivery price Europe
Fixed price €29 - Offered starting from €249 of living*
Price according to size
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En savoir plus

Astropyga radiata – Decorative and Cleaning Red Sea Urchin for Reef Aquarium

The Astropyga radiata, commonly known as the red sea urchin, is an echinoderm that is both aesthetic and useful in a reef aquarium. Native to the tropical Indo-Pacific regions, it is distinguished by its flamboyant dark red appearance adorned with long, radiant spines, sometimes slightly tinged with purple or brown.

A Discreet Cleaner for the Décor

Although not a major grazer like some other sea urchins, the Astropyga radiata feeds opportunistically. It scrapes live rocks and substrate in search of biofilm, nascent algae, and organic matter. It thus contributes to the overall maintenance of the tank by limiting the proliferation of certain undesirable deposits.

General Characteristics

  • Adult Size: up to 20 cm in diameter with spines
  • Color: bright red with brown or purple highlights
  • Behavior: peaceful, mainly active at night
  • Diet: primarily algivore and detritivore

Ideal Maintenance Conditions

  • Minimum Recommended Volume: 300 liters
  • Temperature: 24°C to 27°C
  • pH: 8.0 to 8.4
  • Décor: live rocks with shaded areas and surfaces to explore
  • Water Flow: moderate

Compatibility and Precautions

Astropyga radiata is harmless to corals, fish, and invertebrates in the tank. It does not move decorations, but its long spines can cause injury. Therefore, it should only be handled with thick gloves or suitable tools.

This specimen is sensitive to parameter variations, so it is recommended to acclimate it slowly with a drip method.

Why Choose Astropyga radiata for Your Aquarium?

  • Adds a spectacular touch of red color to your décor
  • Cleans rocks and hard-to-reach areas
  • Peaceful behavior, ideal in a community reef
  • Contributes to the control of biofilms and micro-algae

The red sea urchin Astropyga radiata is a true living work of art that combines usefulness with aesthetics. With careful acclimatization and a suitable space, it will thrive perfectly in your reef aquarium while actively contributing to its ecological balance.

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