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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Decapoda | Gecarcinidae | Land Crab | Caranguejo Amarelo | Johngarthia lagostoma | |
| 2 | Grapsidae | Cangrejo Rojo De Roca | Grapsus grapsus | |||
| 3 | Southwestern Atlantic | Cangrejo Granuloso | Neohelice granulata | |||
| 4 | Ocypodidae | Fiddler Crab | Cangrejo Violinista | Leptuca uruguayensis | ||
| 5 | Cangrejo Fantasma | Ocypode quadrata | ||||
| 6 | Pisidae | Cangrejo Araña | Libinia spinosa | |||
| 7 | Portunidae | Cangrejo Azul | Callinectes sapidus |