Abstract

ABSTRACT Mesopenaeusmariae, a new species of solenocerid shrimp, is described and illustrated. It differs from the only previously known species in the genus, Mesopenaeus tropicalis, in having a deeper rostrum, about 0.40 instead of 0.25 as high as long, in lacking hooks on the distomesial margin of the distal article of the mandibular palp, in having a meral spine on the first pereopod, and in other characters of the appendages, the petasma, and the thelycum. Length/weight regressions and carapace/total length relationships are presented for males and females. Mesopenaeus mariae is found SE of Saya de Malha Bank and off southern Mozambique; M. tropicalis inhabits the western Atlantic from North Carolina to southern Brazil.

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