Resumen

ALVARADO, Juan José. Abundancia del erizo de mar Centrostephanus coronatus (Echinoidea:Diadematidae)en el Pacífico de Costa Rica. Rev. biol. trop [online]. 2004, vol.52, n.4, pp.911-913. ISSN 0034-7744.

Abundance of the sea urchin Centrostephanus coronatus (Echinoidea: Diadematidae)in the Costa Rican Pacific.Centrostephanus coronatus reaches a density of 0.06 individuals/m² in shallow reef waters in Parque Nacional Marino Ballena,Pacific of Costa Rica,in the same habitat occupied by the urchin Diadema mexicanum .It is the fourth species of diadematoid urchins reported for Costa Rican and a first new report for Central America. Rev. Biol. Trop. 52(4):911-913.Epub 2005 Jun 24.

Palabras clave : Centrostephanus coronatus ; Echinodermata; density; Pacific; Costa Rica; Centrostephanus coronatus ; Echinodermata; densidad; Pacífico; Costa Rica.