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(Lamarck, 1818)

¥ Number of stages in the zoeal phase: 1+.
¥ Morphological characters of first zoea [Table 13 First zoeae of Portunidae]:
Abdominal somites 3-5 with short lateral spines.
Telson-furcal spines: 1 lateral, 1 dorsal.
Antennule with 4 aesthetascs and 1 simple seta.
First maxilliped (mxp1) endopod setation: 2, 2, 0, 2, 5.

Morphological characters of megalopa not described.

Larval stage described by Fransozo et al., 2002.

Geographical distribution of adult
Occidental Atlantic: North Carolina to South Florida, Gulf of Mexico, The West Indies, Central America, northern South America, Guianas and Brazil (Amapá to Rio Grande do Sul)
Oriental Atlantic: Senegal to Angola
Oriental Pacific: California to Peru and Galapagos Islands.

Depth range of adult
Intertidal zone - 110 m.

Cronius ruber