title: [Abundance of the sea urchin Centrostephanus coronatus (Echinoidea: Diadematidae) in the Costa Rican Pacific].
abstract: 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.
authors.affiliation: Centro de Investigaciones en Ciencias del Mar y Limnologia (CIMAR), Universidad de Costa Rica. Apdo. 2060-1000, San Pedro, Costa Rica. juanalva@biologia.ucr.ac.cr
authors.forename: Juan José
authors.initials: JJ
authors.lastname: Alvarado
mesh_terms: D000818:Animals; D003364:Costa Rica; D010140:Pacific Ocean; D011156:Population Density; D012617:Sea Urchins / Q000145:classification* / Q000502:physiology