Fig. 1From: Biology of Grapsus grapsus (Linnaeus, 1758) (Brachyura, Grapsidae) in the Saint Peter and Saint Paul Archipelago, Equatorial Atlantic OceanaGrapsus grapsus (Linnaeus, 1758) in the Saint Peter and Saint Paul Archipelago; and bGrapsus adscensionis (Osbeck, 1765) on Ascension Island. Photo: a Maurício Tavares, and b Richard HartnollBack to article page