Kiavash Golzarianpour

Gonbad Kavous University | GPNU · Biology

Despite amphibians having the least number of families in comparison with other vertebrate classes, the digenean parasites within these host species are largely predominant. To date, no investigation has been conducted on the digenean fauna of frogs in western Iran. The helminths occurrence and morphological description of this study were analyzed...

The aim of this study was to determine the diet of the milk shark in the waters of the Persian Gulf and the Oman Sea in Hormozgan province. The total number of samples collected from the waters of Hormozgan province was 45, of which, 17 and 28 were male and female, respectively. The sex ratio of males to females was 1:1.65 in the studied population...

The present study was conducted to determine the body shape variation among the populations of Iranian goby (P. Iranicus) in the southern Caspian Sea basin using landmark-based geometric morphometrics. A total of 350 specimens of the species were sampled using electro-shocker, and in the laboratory, the left sides of the fish samples were photograp...

To study reproductive characteristics of Caucasian dwarf goby (K. caucasica), a total of 149 samples were caught in the Gorgan bay and 192 inthe Gomishanwetlandusing beach seine during a period from February 2014 to May 2016.Thereproductive characteristics including sex ratio, gonadal development index, and absolute fecundity, relative fecundity we...

In the course of a three-year study conducted from January 2017 till November 2019, a total of 279 individuals belonging to 11 batoid species off northern coasts of the Persian Gulf and the Gulf of Oman were examined for the genus Rhinebothrium Linton, 1890 (Rhinebothriidea: Rhinebothriidae). Infection of Maculabatis randalli (Last, Manjaji-Matsumo...

Correct identification of elasmobranch species is crucial for taxonomic and parasitological research. Although molecular barcoding may be the fastest choice to determine the identity of a given species, robust and fast species level identification in the field using morphological characters is essential. During this study, 389 specimens representin...

Correct identification of elasmobranch species is crucial for taxonomic and parasitological research. Although molecular barcoding may be the fastest choice to determine the identity of a given species, robust and fast species level identification in the field using morphological characters is essential. During this study, 389 specimens representin...

Recognizing and investigating the resources of surface water, especially rivers and streams, which are in fact not just strategic sources, are important for the management of well-being. For this purpose, the effect of rainbow trout breeding workshop on the fauna and the number of macro-benthos in the river Haraz were investigated . Sampling was pe...

This study was conducted to investigate some biological parameters of Spirlin (A. eichwaldii) from Googgol Stream (Gorganroad basin) from March to September 2015. Sample size was 191 Specimens. The largest specimen of males had 9.3 cm total length and 10.115 g weight, and of females 10.2 cm total length and 15.751 g weight. The mean length and weig...

The limited energy individuals acquire has to be procured for different purposes to ensure survival and successful reproduction. Energy is allocated to different purposes including somatic growth, energy storage and breeding. Brown trout has a wide distribution where environmental conditions vary both on geographical and seasonal basis. Brown trout...

This study was carried out from February to June 2016 in Zav Stream (Northern Iran). A total of 195 specimens including 87 females and 107 males of Alburnoides tabarestanensis were collected from this stream. Even though the sex ratio was obtained 1:1.22 in favor of males, however, there were no significant differences in sex ratio from 1:1 statist...

Based on the gut content analysis of 278 specimens of brown trout, Salmo trutta, in the Lar Reservoir and its basin, including streams of Delichay, Ab Sefid, Elarm, Lar and Siah Plas, the summer food habits were found to be general and depended on the abundance of preys. Considering the “index of relative importance” in all stations, the most consu...

در این مطالعه بهمنظور بررسی رژیم غذایی تابستانی ماهی قزل آلاي خال قرمز، 101 نمونه مـاهی در سـال 1388 از رودخانه دلیچاي واقع در پارك ملی لار، نمونهبرداري شد. محتویات گوارشی ماهیها، توسط منتخبی از روشها، شامل آنالیزهاي کمی محتویات گوارشی (تعداد، وزن و حضور طعمه)، شاخصهاي غنـاي گونـه اي، شانون- وینر و یکنواختی، نمایش گرافیکی کاستلو براساس تعداد و و...

This study was carried out to evaluate growth pattern of Cauacasian goby (K. caucasica) with 464 fish samples that obtained from February to May 2012 with beach line net. Sex ratio of male to female was 1:1.06 which does not show a significant difference between male and female in the population (X2 = 0.422, p > 0.05). Maximum total length and weig...

Sasanidus, new genus, is described for Noemacheilus kermanshahensis BǍnǍrescu & Nalbant, endemic to the Karkheh and Karun drainages in Iran. Sasanidus kermanshahensis was initially identified as a species in Oxynoemacheilus, from which it is distinguished by the absence of an external sexual dimorphism (i.e. longer pectoral fin, and nuptial tubercl...

This study designed to evaluate blood parameters of 3-4 years Huso huso on pen in the center of the fishing and processing Ashuradeh (Chalasht) from the Gorgan Bay in different seasons.Blood samples from 10 Huso huso withaverage weight2698.01 ± 757.32 g and length 77.98 ± 5.53 cm were collected in each season (autumn 2014 to summer 2015) and activi...

Garra rufa, a bottom dwelling freshwater fish and native to the Middle East, is distributed in the southwestern Iran and the Tigris basin. Considering the importance of length-weight relationships data of a species in different habitats, the length-weight relationship of G. rufa from 13 rivers in the Persian Gulf and the Tigris basins was explored....

In the present study the morphologic traits of Leuciscus orientalis (Nordmann, 1840) populations were examined in the Doogh River, Siahroud River and the Sefidroud River in the Southern Caspian Sea basin. A total of 190 fish specimens were collected and 25 morphometrics, 5 proportional morphometrics and 9 meristic characters were recorded. Existenc...

Cobitis sp. is an endemic spined loach species from the Dough River in the southern Caspian Sea basin, (Golestan Province, Iran). To provide some reproductive features of this fish, sampling was performed at monthly intervals throughout the year and 417 individuals were collected. The specimens ranged in total length from 27.1 to 92.9 mm and total...

در اين مطالعه 22 قطعه از ماهيان متعلق به گونه هاي C. aculeatae ،C. damascina ، Capoeta trutta و C. Buhseiاز رودخانه هاي سيروان (پالنگان)، ارمند، الوند، سرخكان بالارود، ماربر، چنار خشكه، بهشت آباد، دوپلان و آب ونك در منطقه زاگرس براي تهيه توالي باركد با ژن COI مورد بررسي قرار گرفتند. در مجموع 13 هاپلوتايپ به دست آمد. مقدار تمايز توالي باركد در سطح د...

Caspian roach larvae similar to teleost fish are poorly developed at hatching. They undergon important functional and morphological changes during early larval period to achieva survival and environmental performance. This study was designed to morphological changes in the early develpmental stages of Caspian roach. Larvae were sampled from hatchin...

At hatching most functional system of fish are incomplete and morphogenesis are very intense during early development showing the growth of organs to ensure survival. Understanding of this changes is necessary for an aquacultural management. Hence, this research was conducted to study the allometric growth patterns of Caspian roach (Rutilus rutilus...

We collected the specimens of Turcinoemacheilus hafezi throughout the spawning season (January to July, 2012) in Beshar River (south-west Iran) and investigated its age, growth, and reproductive characteristics. The maximum age was 2+ years. Total length and weight of the specimens ranged from 29 to 61 mm and 0.17 to 1.39 g, respectively. Length-we...

Turcinoemacheilus hafezi, new species, from Karoun and Dez River drainages, Iran, is distinguished from both other species of Turcinoemacheilus by having the anus situated in a more posterior position, a mottled colour pattern or a prominent irregular dark brown lateral stripe along the lateral midline disconnected from dark brown blotches on back,...

Members of Nemacheilidae Family, Turcinoemacheilus genus were subjected to molecular phylogenetic analysis in this study. This genus was reported in 2009 to inhabit in Karoon River drainage, in contrary to previous assumption that it was the endemic species in the Basin of Tigris River. It was sampled from three stations placed in different tributa...

the origin of the Blind Iran Cave Barb has been attributed to the Genus Garra. In the present study, phylogenetic relationships between the blind cave barb (Iranocypris typhlops) and Garra specimens from Balarood, karoon, Jarahi, Sirvan, Fariab and Mond Rivers were analyzed using the COI sequences. For the phylogenetic analysis K2P genetic distance...

Cyprinion watsoni was recorded from the Persian Gulf basin first time. This is a first report on this species from aqueducts (Qanats) located in the eastern basins of Iran. It is expected that this species occur in other sub-basins due to long distance between reported localities. In the current study, 161 samples were analyzed using geometric-morp...

Cobitis cf. Satunini is a native spine-loach species inhabiting the Caucasus and the southern western Caspian Sea Basin. The upstream of the most rivers in the basin considered as ideal habitat for the species. In this study, 175 fish were collected using Electroshocker during spawning season in the Dogh river from March to June 2012. Total length...

This study conducted to study some biological traits of Knipowitschia caucasica in Gomishan Wetland from February to May 2012. During the study, 236 specimens were sampled using small beach seine. Sex ratio was 1:1. The highest mean value of gonado-somatic index (GSI) observed in April, 15.20 and 0.93 for female and male, respectively. Maximum tota...

وضعيت رده بندي ماهي كور غار ايران حدي مبهم است و بررسي آن با روش هاي مولكولي مي تواند در اين رابطه مفيد باشد. در اين مطالعه با توجه جايگاه رده بندي ماهي كور غار ايران در مقايسه با گونه COI به فرضيات موجود با استفاده از توالي ′ 5 ژن و ساير كپورماهيان بويژه گونه هاي كپورماهيان ايران در منطقه زاگرس بررسي Garra و Barbus هاي جنس در ) Garra rufa براي گون...

The phylogenetic relationship between two sympatric morphotypes of the Iran cave barb Iranocypris typhlops, and Garra rufa, was investigated by sequencing the cytochrome c oxidase I (coI) region (788 bp) providing the first molecular evidence of their phylogeny. Consistent with their morphological differences, the mean genetic distance between the...

The present study was conducted to identify the parasitic infection of the nemacheilid loach, Turcinoemacheilus kosswigi, in 5 rivers of the Tigris basin in Iran, from July 2007 to August 2008. Extracted from 43 fish specimens were 3 parasitic species: metacercaria of Posthodiplostomum cuticola (Digenea: Diplostomatidae) in the skin, fins, gills, a...

Th e present study was conducted to identify the parasitic infection of the nemacheilid loach, Turcinoemacheilus kosswigi, in 5 rivers of the Tigris basin in Iran, from July 2007 to August 2008. Extracted from 43 fi sh specimens were 3 parasitic species: metacercaria of Posthodiplostomum cuticola (Digenea: Diplostomatidae) in the skin, fi ns, gills...

Oxynoemacheilus kiabii, new species, from Karkheh River drainage, Iran, is distinguished from other species of Oxynoemacheilus by having two lateral pores in each side of the supratemporal canal and no central pore, no suborbital flap or suborbital groove in males, a slightly emarginate caudal fin, an incomplete lateral line, a very long head, and...

A study was conducted from 2007 to 2010 to determine the status of the endemic loach species of Iran. So far 27 loach species belonging to two families (Nemacheilidae and Cobitidae) and eight genera have been recorded from 19 water basins of Iran. Eleven loach species are endemic to Iran. Oxynoemacheilus farsicus is considered as junior synonym of...

Length-weight relationships were estimated for 9 nemacheilian loaches of Iran. Four of these species are endemic to Iran and the L-W parameters of six species are given for the first time. Significant length-weight relationships with high correlation coefficient were found for all species. The value of parameter b ranged from 2.81 to 3.12.

This study was conducted to determine morphometric and meristic characteristics of Garra rufa in 13 stations of Tigris and Persian Gulf basins. We caught 310 specimens during the year 2007-2008 using electro-shocker and sachok. Univariate analysis of variance (ANOVA) and principal component analysis were conducted and the ANOVA revealed significant...

Turcinoemacheilus kosswigi (Bănărescu and Nalbant, 1964) was recorded for the first time in Iran from the River Karoun drainage, which belongs to Euphrates-Tigirs drainage. Formerly believed to be an endemic species in the basin of River Tigris while was recorded in the upper River Euphrates basin. This extension of its recorded range makes it like...

Turcinoemacheilus kosswigi (Bănărescu and Nalbant, 1964) was recorded for the first time in Iran from the River Karoun drainage, which belongs to the Euphrates-Tigris drainage. Formerly believed to be an endemic species in the basin of River Tigris, it is now recorded in the upper River Euphrates basin. This extension of its recorded range makes it...