This sea urchin is poisonous and can be dangerous for the human being (particularly in case of allergic sensitivity). Do not take it with your hands. Is beige rosé at the juvenile stadium, then bright red once adult. Becomes large (can reach fifteen centimeters in diameter)
Paramètre physico chimique de l’eau :
Temperature 24-27 ° C, salinity 1.022-1.024, pH 8.0-8.4, KH 6-10, mg 1200-1400, CA 400-480, No3> 10, PO4> 0.05