The first report on the occurrence of twins in a freshwater crayfish, Pacifastacus leniusculus (Decapoda, Astacoidea).
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Twin stage 1 juveniles from the signal crayfish, Pacifastacus leniusculus, were observed in this study. No such observations have been found in the literature. The twins consist of two stage 1 juveniles that are fused at the head. Each juvenile has a separate abdomen and thorax and has the appropriate number of appendages and a telson, all characteristic of a normal stage 1 juvenile.
Publication order reference
M.M. Harlioglu, The University of Firat, Fisheries Faculty, 23119, Elazig, Turkey