The diameter of the sea urchins is inversely and significantly correlated with coral cover Spearman r = -0.82, n = 15, P <0.05 and algal cover Spearman r = -0.81, n = 15, P < 0.05, and directly correlated with the presence of rocks Spearman r = 0.78, n = 15, P < 0.05.
El diámetro de los individuos de D. mexicanum se correlacionó inversa y significativamente con la cobertura de coral r de Spearman = -0.82, n = 15, P < 0.05 y algas r de Spearman = -0.81, n = 15, P < 0.05 y directamente con la presencia de rocas r de Spearman = 0.78, n = 15, P < 0.05.