Growth patterns of Loach fish (Balitoridae: Oxynoemacheilus tongiorgii) in the basis of Rudbal River of Fars province

Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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ICII02_336

تاریخ نمایه سازی: 7 تیر 1399

Abstract:

Biological characteristics of species with limited geographical distribution, is veryimportant. One of the main biological features is growth. Hence, this study was aimedto investigate the growth pattern of stream Loach fish (O. tongiorgii) duringNovember 2013 with collecting 140 Loach fish captured by a surber-type fishsampler from the Rudbal River. The mean total length and weight were 4.70 ± 0.39cm and 0.84 ±0.21 g, rand the minimum and maximum total length and total weightwere 4.00-4.00 cm and 0.487-1.762 g, respectively. Length-weight relationships wasestimated as W = 0.0182TL 2.453 for males, W = 0.0087TL 2.899 for females, and W =0.0135TL 2.697total fish. The correlation value was more than 80% and significantregression equation was observed. The results showed negative allometric growthpattern. The condition factor in males and females, was 0.79 ± 0.05 and 0.74 ± 0.05,respectively, with a total CF of 0.77 ± 0.06.

Keywords:

The pattern of growth , O. tongiorgii , basic river Rudbal , Iran

Authors

Tooba Andalibi

Department of Environmental Sciences, Environmental University

Behzad Saeid Pour

Department of Environmental Sciences, Environmental University

Seyyed Mahdi Mirashrafi Langroudi

Department of Fisheries, Faculty of Natural Resources, University of Zabol