Condition factor and length-weight relationships evaluation of 15 Oxynoemacheilus species (Cypriniformes: Nemacheilidae) from Iran

Authors: ATTA MOULUDI-SALEH, SOHEIL EAGDERI, ERDOĞAN ÇİÇEK, EDRIS GHADERI

Abstract: This study was conducted to determine the relationship between the length and weight (LWR) of 15 Oxynoemacheilus species i.e. Oxynoemacheilus bergianus, O. brandtii, O. chomanicus, O. euphraticus, O. elsae, O. frenatus, O. karunensis, O. kiabii, O. kurdistanicus, O. longipinnis, O. parvinae, O. persa, O. marunensis, O. zagrosensis, and O. zarzianus from Iranian inland waters. LWRs with high coefficients of determination were calculated for all species. The values of the slope parameter (b) ranged from 2.225 in O. brandtii to 3.575 in O. euphraticus. Fulton's condition factor (K$_{F}$) ranged from 0.673 in O. persa to 1.407 in O. kiabili. Relative conditions had a narrow distribution range of 0.988-1.009 with a mean of 1.001 ± 0.028. This study presents the first LWRs data for O. chomanicus, O. euphraticus, O. elsae, O. karunensis, O. kurdistanicus, O. longipinnis, O. parvinae, O. marunensis, and O. zarzianus from Iranian inland waters that can be used for future studies and fisheries stock managements.

Keywords: Stone loaches, morphology, length-weight relationship, condition factor

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