Home|Search|Identify|Taxonomic tree|Quiz|About this site|Feedback
Developed by ETI BioInformatics
Characteristics, distribution and ecology
Taxonomische classification
Synonyms and common names
Literature references
Images, audio and video
Links to other Web sites

(H. Milne Edwards, 1837)

Zoea [Aratus pisonii 1]
¥ Number of stages in the zoeal phase: 4.
¥ Morphological characters of first zoea [Table 9 First zoeae of Grapsidae]:
Antennal endopod half the length of antennal protopod.
Carapace without lateral spines.
Maxilla (mx2) endopod setation: 2, 3.
First maxilliped (mxp1) basipod setation: 2, 2, 3, 3.
First maxilliped (mxp1) endopod setation: 2, 2, 1, 2, 5.

Megalopa [Aratus pisonii]
¥ Number of stages in the megalopal phase: 1.
¥ Morphological characters of megalopa [Table 19 Mgp Pinnotheridae Grapsidae Gecarcinidae Ocypodidae]:
Rostrum absent.
Carapace with dorsal spine.
Maxillule (mx1) endopod setation: 1, 5.
Maxilla (mx2) endopod setation: 5.
No information about the setation of the First maxilliped (mxp1) epipod.
No information about the setation of the third maxilliped (mxp3) epipod.

Larval stages described by Warner, 1968; Díaz and Bevilacqua, 1987.

Geographical distribution of adult
Occidental Atlantic: Florida, Gulf of Mexico, The West Indies, northern South America, Guianas and Brazil (Piauí to So Paulo)
Oriental Pacific: Nicaragua to Peru, Chile.

Depth range of adult
Salt marshes and mangrove.

Aratus pisonii