Zoea [Arenaeus cribrarius 1]
¥ Number of stages in the zoeal phase: 8.
¥ Morphological characters of first zoea [Table 13 First zoeae of Portunidae]:
Abdominal somites 3-5 with serrate lateral projections.
Telson-furcal spines: 1 lateral, 1 dorsal.
Antennule with 3 aesthetascs and 3 simple setae.
First maxilliped (mxp1) endopod setation: 2, 2, 0, 2, 5.
Megalopa [Arenaeus cribrarius]
¥ Number of stages in the megalopal phase: 1.
¥ Morphological characters of megalopa [Table 16 Mgp Hymenosomatidae Atelecyclidae Beliidae Portunidae]:
Rostrum directed anteriorly, developed.
Spines present on sternal segment 4.
Maxillule (mx1) endopod setation: 2, 2.
Maxilla (mx2) endopod setation: 5.
First maxilliped (mxp1) epipod setation: 26.
Third maxilliped (mxp3) epipod setation: 24.
Larval stages described by Stuck and Truesdale, 1988.
Geographical distribution of adult
Occidental Atlantic: Massachussets to North Carolina, Bermuda, Florida, Gulf of Mexico, The West Indies, Colombia, Venezuela, Brazil (Ceará to Rio Grande do Sul) and Uruguay (Maldonado).
Depth range of adult
Intertidal zone - 70 m.