FARGʻONA VODIYSI SUV HAVZALARIDA ISKANDARIA KUSCHAKEWITSCHI (HERZENSTEIN, 1890)NING TARQALISHI VA GEOAXBOROT MAʼLUMOTLARI

Xalimov Sharofiddin Axadjon oʻgʻli; Sheraliyev Baxtiyor Maxmutali o‘g‘li

doi:10.56292/SJFSU/vol31_iss6/a241

Authors

Xalimov Sharofiddin Axadjon oʻgʻli

Fargʻona davlat universiteti ixtiologiya ixtisosligi tayanch doktoranti

https://orcid.org/0009-0000-8422-9432
Sheraliyev Baxtiyor Maxmutali o‘g‘li

Fargʻona davlat universiteti zoologiya va umumiy biologiya kafedrasi dotsenti, b.f.f.d. (PhD)

https://orcid.org/0000-0003-3966-7403

DOI:

https://doi.org/10.56292/SJFSU/vol31_iss6/a241

Keywords:

freshwater fishes, endemic species, population, geospatial data, Fergana valley, stone loaches, The Syr Darya basin.

Abstract

The occurrence of Iskandaria kuschakewitschi is reported from several water bodies in the Fergana Valley, and a geographical map of its distribution range has been developed. New occurrence points were identified in multiple locations along the Kara Darya River, as well as in several small streams and rivers, including Tentaksoy and Shahrikhonsoy (Andijan region); Chortoqsoy and Chodaksoy (Namangan region); Oltiariqsoy, Margilonsoy, and Isfayramsoy (Fergana region), along with the Great Fergana Canal and some collector waters. Based on these findings, extensive geoinformation data for the species was compiled for the first time during this study. Taxonomic-geographical considerations regarding the distribution of I. kuschakewitschi are discussed, and the hypothesis that the populations from the Chirchik, Dukentsoy, and Ohangaron rivers may taxonomically constitute a different species is substantiated.

Author Biographies

Xalimov Sharofiddin Axadjon oʻgʻli, Fargʻona davlat universiteti ixtiologiya ixtisosligi tayanch doktoranti

Fargʻona davlat universiteti ixtiologiya ixtisosligi tayanch doktoranti
Sheraliyev Baxtiyor Maxmutali o‘g‘li, Fargʻona davlat universiteti zoologiya va umumiy biologiya kafedrasi dotsenti, b.f.f.d. (PhD)

Fargʻona davlat universiteti zoologiya va umumiy biologiya kafedrasi dotsenti, b.f.f.d. (PhD)

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