Puerto Ángel had a significantly higher density of sea urchins Q = 2.394 than Bahías de Huatulco and Ixtapa-Zihuatanejo Table 1.
Puerto Ángel presentó una densidad de erizos significativamente mayor Q = 2.394 que Bahías de Huatulco e Ixtapa-Zihuatanejo Tabla 1.