Keywords
Gobionidae
Naymansoy daryosi
Farg‘ona vodiysi
morfometrik belgilar
variabellik
bentik baliqlar.
How to Cite
Abstract
Ushbu maqolada Farg‘ona vodiysining Naymansoy kichik daryosida uchrovchi Gobio lepidolaemus Kessler, 1872 turining morfometrik xususiyatlari o‘rganildi. Tadqiqot materiallari 2025-yil qish va 2026-yil bahor mavsumlarida Farg‘ona viloyati O‘zbekiston tumani hududidan oqib o‘tuvchi Naymansoy daryosidan yig‘ildi. Jami 9 ta individ morfometrik jihatdan tahlil qilindi.. Natijalarga ko‘ra, o‘rganilgan individlarda umumiy tana uzunligi 56,86–127,03 mm, standart uzunlik esa 45,02–105,30 mm oralig‘ida o‘zgarishi aniqlandi. Variatsiya koeffitsiyenti bo‘yicha eng yuqori o‘zgaruvchanlik TL, SL, ED, ORBL va CPL/CPD belgilarida kuzatildi. PAL, PAnL, BWD va BDD belgilarida esa nisbatan barqarorlik qayd etildi. Olingan natijalar Naymansoy populyatsiyasida G. lepidolaemus individlarining cho‘ziq tana shakli, past tana balandligi, keng bosh qismi va bentik hayot tarziga moslashgan og‘iz-mo‘ylov apparati bilan tavsiflanishini ko‘rsatadi. Mazkur tadqiqot Farg‘ona vodiysi kichik daryolarida tarqalgan G. lepidolaemus populyatsiyalarining morfologik o‘zgaruvchanligini baholashda muhim ilmiy asosga ega.References
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