Study of the distribution of the genus Callinectes

The Mexican Republic is located between the geographical coordinates: 14° 32' 27" South, 32° 43' 06" North, 86° 42' 36" Southeast and 118° 27' 24" West. There are 17 coastal states: Baja California, Baja California Sur, Sonora, Sinaloa, Nayarit, Jalisco, Colima, Michoacán, Guerrero, Oaxaca, Chiapas, Tamaulipas, Veracruz, Tabasco, Campeche, Yucatán and Quintana Roo; in such a way that the Mexican coast occupies an approximate surface of 1,020,965 km2, covering about 57.2% of the total surface of the territory. Climatic variability involves tropical to subtropical conditions; arid and semi-arid climates predominate in the north, and humid and sub-humid climates in the south. Approximately 37% of the territory corresponds to the sub-humid climate, which is present in the coastal plains of the Pacific, Gulf of Mexico and northeast of the Yucatan Peninsula. Genus Callinectes: Decapoda: Brachyura: Portunidae. Swimming crabs, wide distribution in the Atlantic and Pacific Ocean, life cycle with planktonic and benthic stages, ecological and economic importance. Pacific Ocean: C. arcuatus, C. bellicosus, C. toxotes; Gulf of Mexico: C. sapidus and C. rathbunae.