This paper presents the first information about the morphological variability
and sexual dimorphism of the stone crayfish Austropotamobius torrentium in the area of
Marjanovića Stream in Čelinac (Republic of Srpska, Bosnia and Herzegovina). The
crayfish were caught by hand-made made baited traps from October 2018 to May 2019. A
total of 67 specimens were caught, out of which 33 males and 34 females. The eight
morphometric characteristics – body weight (W), body length (TBL), claw length (CLL),
carapace length (CPW), carapace width (CPW), abdomen length (ABL), rostrum length
(ROL) and rostrum width (ROW) were analyzed for all specimens and the results were
partially matched into the already known range of variations. Also, the body condition was
determined for all individuals. By using the t-test, the significant differences between the
sexes for W, TBL, CLL, CPW and ABL were registered, which could be explained by the
sexual dimorphism of the stone crayfish.
