102 HAGEN, H. O. VON, 1976. [Review of] Jocelyn Crane, Fiddler crabs of the world. Ocypodidae: genus Uca. Crustaceana, 31 (2): 221-224. TAKEDA, M. & T. YAMAGUCHI, 1973. Occurrences of abnormal males in a fiddler crab Uca marionis (Desmarest), with notes on asymmetry of chelipeds. Proc. Japanese Soc. Syst. Zool., 9: 13-20. WILLIAMS, MERYL J. & HENG POON KUM, 1981. Handedness in males of Uca vocans (Linnaeus, 1758) (Decapoda, Ocypodidae). Crustaceana, 40 (2): 215-216. DIMORPHIC MALES OF THE PENAEID SHRIMP PARAPENAEOPSIS HARDWICKII (MIERS, 1878) BY MUZAMMIL AHMED and NASEEM MOAZZAM Institute of Marine Biology, University of Karachi, Karachi-32, Pakistan During an investigation of the species composition of a group of penaeid shrimps locally known as 'Kiddi' obtained from shrimp landings at the Karachi Fish Harbour (Ahmed, 1977) it was realized that males of the fairly abundant species Parapenaeopsis hardwickii (Miers, 1878) are dimorphic for the shape and size of their rostra so that two clearcut types of males can be distinguished. Rostral characteristics of this species are as follows (see Tirmizi & Bashir, 1973): "Rostrum is sigmoidal, variable in size and shape; in some specimens it is rather short extending at the most to the middle of the
Crustaceana – Brill
Published: Jan 1, 1982
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