Caribbean portunid crabs
Norse (1978)
In slightly brackish waters of 0.0-10.0 ppt, crabs C. maracaiboensis, C. bocourti, C. sapidus were most abundant. In brackish waters of 10.1-30.0 ppt, crabs C. exasperatus were most abundant. In near-marine waters of 30.1-33.0 ppt, C. marginatus, C. danac, and C. exasperatus were most abundant. In marine waters of 33.1-35.5 ppt, C. ornatus, C. marginatus and C. exasperatus were most abundant.