Hamed Mousavi-Sabet

• Professor
• Professor (Full) at University of Guilan

Iran is one of the main areas of biodiversity in the world. But currently, most of the fish species of the freshwater ecosystem in this country are facing serious threats due to human activities, besides these threats, climate change is also an additional threat that may accelerate Understanding how these organisms respond to these changes can be o...

This study collected 27 Blenniid specimens of 10 species from intertidal and subtidal habitats in the Persian Gulf and Oman Sea. The specimens were preserved and taxonomically identified before the genomic DNA extraction. The COI marker was then amplified and sequenced. Additional sequences from related subfamilies were obtained from GenBank. Phylo...

The advancement of nanotechnology and the widespread use of nanoparticles (NPs) in various industries have highlighted the importance of studying the potential harmful effects of nanomaterials on organisms. This study aimed to evaluate the lethal toxicity thresholds of Copper Oxide Nanoparticles (CuO-NPs). The investigation focused on examining the...

The present study was conducted with the aim of comparing the morphological and reproductive indices of spring and autumn migratory Mahi sefid populations to Anzali lagoon. Therefore, 120 spring and autumn migratory Mahi sefid were caught at a station leading to Anzali lagoon. The results of the comparison of morphological characteristics showed th...

Background and Objectives: In the present study, the morphological variation in seven catfish species of the genus Glyptothorax in the inland waters of Iran was studied using traditional and geometric morphometric methods. Methods: For this purpose, 182 specimens including 32 G. alidaeii, from the Seimare in the Karkheh drainage, 54 G. galaxies, fr...

This study was designed with the aim of investigating the possibility of domestication and keeping Channa gachua in captive conditions in aquarium. For this purpose, 42 snakeheads were caught from their natural habitat located in the Kaju River in Sistan and Baluchistan province and transported in bags containing oxygen to the place of study in the...

Biodiversity conservation is one of the global concerns, so the comprehensive study of diversity and its possible risks are recognized as a tool for natural resource management. This study was carried out to investigate the diversity and abundance of fishes in the Masule River, the southern Caspian Sea basin. Samplings were carried out seasonally d...

The rapid and continuous development of shrimp farming has probably led to a series of harmful developments for the environment and human health. The destruction of mangrove forests, the blooming of harmful algae in coastal waters and shrimp breeding ponds, the introduction of non-native species, the depletion of aquatic resources and the reduction...

The climate system is changing at an unprecedented rate in the world. Climate change is having significant impacts on freshwater ecosystems and the fish species that inhabit them. The main purpose of this study was forecasting the distribution of northern pike, Esox lucius in the Caspian Sea basin under two optimistic (RCP 2.6) and pessimistic (RCP...

We listed 28 exotic fish species belonging to 22 genera, 15 families and 12 orders for Iranian part of the southern Caspian Sea basin, based on published records and specimens collected between 2000 and 2023. Their native distribution ranges, as well as occurrences in the Iranian waters are given, and the presence of four species is recorded for th...

The genus Aphanius belong to the family Aphaniidae which is widely distributed in the Mediterranean basin, the Red Sea, the Persian Gulf and brackish and freshwaters of Iran, Pakistan and India. To date, 14 species have been described under the genus Aphanius, in Iran. Currently, due to human-induced disturbance activities (hydrological alteration,...

We examined the effect of 17-α-methyltestosterone (MT) on the sex differentiation process in common platy (Xiphophorus maculatus). 3–5-day post-hatch larvae were fed different dose rates of synthetic androgen MT (i.e., 25, 50 and 75 mg MT kg-1) of feed and MT 25, 50 and 75 mg kg-1 plus 100 mg kg-1 Vitamin C (Vit C). MT and vitamin were administrate...

Garra rezai, new species, is described from the Chooman, a tributary of the Lesser Zab in Iran, and from headwaters of the Yanarsu, a tributary of the upper Tigris in Turkey. It is distinguished from its congeners in the Garra variabilis species group by having two pairs of barbels, a well-developed mental disc, 35-40 total scales along the lateral...

In the present work, we investigated the impact caused by rainbow trout farm (O. mykiss) farming system effluent water quality parameters in Masouleh river, Guilan province. Samples were taken from the inlet and outlet water of farm. Also, Sampling was performed every 15 days for three months (November, December and January 2016) from three station...

This study provides a detailed description of osteological characters of Turcinoemacheilus saadii with an attempt to evaluate their significance for the grouping of different genera. In general, a comparative osteological analysis of T. saadii and other previously studied species of Turcinoemacheilus and the related genus Paraschistura, as well as...

An overview of the effects of climate change on the distribution of aquatic animals (fish) in Iran with an emphasis on the southern basin of the Caspian Sea.

The phenomenon of climate change as one of the most important consequences of human activity on the Earth's climate system, has received much attention. According to the proposed definition, climate change is a change in the average or a change in climate charcteristics that lasts for a long time (decades or more). Today, this phenomenon has become...

This study was conducted to evaluate the effects of dietary L - Lysineon and L - Carnitine on growth and survival and some blood biochemical parameters of Oncorhynchus mykiss fry. For this purpose, Oncorhynchus mykiss fry with a mean weight of 25 gr in 10 treatments with 2 replicates were distributed randomly in 20 tanks. The L –Lysineon and L - Ca...

This study aimed to compare the body shape of five populations of Salmo trutta collected from the Namak Lake, Urmia Lake, and the Caspian Sea basins, using the geometric morphometric technique. To this purpose, a total of 130 specimens were sampled from Liqvan-Chai, Mardoogh, Karaj, Jajrud and Haraz rivers using electrofishing. The left side of the...

This study was conducted to investigate the effects of dietary BetaPlus® Ultra (BP Ultra) probiotic on fecundity, fertilization, hatching, larvae survival rates and interval times among continuous spawning in the Angel fish (Pterophyllum scalare). For this purpose, three experimental diet treatments were applied to Angel brood stocks as follow: an...

The bulatmai barbel Luciobarbus capito is an economically important native fish in the southern Caspian Sea basin. Little information on the reproductive indices of this species is available in the lotic ecosystems. Therefore, this study was conducted to investigate the reproductive biology of L. capito in Sefid River. In this study, a total of 239...

Mystus cyrusi, new species, is described from the Kol River drainage which flows to the Straits of Hormuz in southern Iran. It is distinguished from its closest relative, Mystus pelusius from the Tigris-Euphrates River system by a combination of characters: The maxillary barbel short, not reaching to beyond pelvic fin (vs. extends as far as anal fi...

Anzali Wetland is one of the most important wetland in southern Caspian Sea where more than 45 endemic and native fish species were reported. In this study, distribution, abundance and IUCN category of fish species were investigated in Anzali Wetalnd during 2016-2017 according to research fishing and local fishermen data. The result showed that 45...

The Caspian Sea basin is one of the most important ecosystems in Iran with a high diversity of different aquatic species, so that the issue of determining the taxonomy its fishes has always been considered. Up to now, a total of 297 species of freshwater and brackish fish have been reported from Iran where the subfamily Leuciscinae (minnows) has a...

The objective of this study was to determine the body shape variations among the Blenny populations, Omobranchus genus in the Iranian Coasts of the Persian Gulf and the Gulf of Oman, using landmark-based geometric morphometrics. Therefore, a total of 120 specimens of Omobranchus genus including the species of Omobranchus fasciolatus (80 specimens f...

Functional morphological traits allow researchers to obtain fundamental information about biology, ecology and biogeography of fishes. Hence, this study was aimed to compare the morphological characteristics of different populations of Ponticola gorlap in 6 ecosystems in Iran [Tonekabon River (1), Siahrood (2), Khairud (3), Babolrood, (4), Gisum (5...

For osteological studying of Paraschistura delvarii, thirty-three specimens of this species were collected from Gharah-aghaj river in Gulf basin (Fars Provance) by electro shocker. Fish were preserve 10% formaldehyde. Osteological studies were performed on all specimens following transportation to the laboratory samples were cleared and stained. Th...

With the the support of the University of Guilan and the Iranian Society of Ichthyology, the "Ninth National and the First International Iranian Conference of Ichthyology" with the goal of exchanging ideas, synergy and updating knowledge in various areas of fish biodiversity, conservation of native fish species and protection of aquatic ecosystems...

The aims of the study were to testify a phylogenetic hypothesis for the genus Rutilus in the southern Caspian Sea by using sequence variation of mitochondrial and nuclear genes and to define the taxonomic status of phylogenetic clades represented in the southern Caspian. Phylogenetic analysis was based on the variability of mitochondrial genes cyto...

Capoeta raghazensis, new species, is described from the Raghaz Canyon, Hormuz basin, southern Iran. It is distinguished from its congeners in Iran by having one pair of barbels, a moderately ossified last unbranched dorsal-fin ray which smaller than head length; no black spots on head, body and dorsal fin; 69-77 lateral line scales; 11-13 scales be...

How to cite this article Sharifiniya M., Mousavi-Sabet H., Ala-vi-Yeganeh M.S., Ghanbarifardi M. Molecular phylogeny and morphological characteristics of the reef margin blenny, Entomacrodus striatus (Valen-ciennes, 1836) from the Gulf of Oman (Actinopteri: Blenniiformes Blennii-dae). ECOPERSIA 2022; 10(1): 37-46. Aim: Molecular phylogenetic relati...

How to cite this article Sharifiniya M., Mousavi-Sabet H., Ala-vi-Yeganeh M.S., Ghanbarifardi M. Molecular phylogeny and morphological characteristics of the reef margin blenny, Entomacrodus striatus (Valen-ciennes, 1836) from the Gulf of Oman (Actinopteri: Blenniiformes Blennii-dae). ECOPERSIA 2022; 10(1): 37-46. Aim: Molecular phylogenetic relati...

Five new species of Glyptothorax are described from Iran. Glyptothorax alidaeii, new species, from the Seimare in the Karkheh drainage, G. galaxias, new species, from the upper Karun drainage, G. hosseinpanahii, new species, from the Zohreh drainage, G. pallens, new species, from the Sirvan drainage, and G. shapuri, new species, from Shapur in the...

Fish phylogeny and diversity

Fish taxonomy

A review of the consequences of climate change in Iran.

The growth parameters and population traits of the Caspian Vimba were studied in order to investigate the changes in the population structure of this species based on 227 samples which was taken from Kiashahr port, on the southwestern coasts of the Caspian Sea from February 2019 to April 2020. In females, fork length ranged from 13.5 to 20 cm and i...

Various impacts of dams on aquatic organisms have been well documented in the recent past. The construction of a dam can make significant changes in the ecosystem of a river and particularly affect fish communities including obstruct the upward migration, reduce the genetic diversity and affect morphology, reproduction and growth indices, etc. Afte...

The subfamily Leuciscinae is one of the most diverse groups of freshwater and brakish fish from cypriniformes order which is widely distributed in Eurasia, especially in the Middle East region. Although a number of morphological and molecular studies as well as various reports on the members of this subfamily have been recorded in Iran, however, so...

First record of the Triplefin fish (Blenniiformes: Tripterygiidae), Helcogramma ellioti, is reported here based on six specimens collected from Chabahar, northern Gulf of Oman in February 2019. Identification was confirmed based on a series of morphological characters including, a minute supraorbital tentacle, 3-5 symphyseal mandibular pores, a num...

The present study was conducted during 2018 to 2021 with the purpose of updating checklist of the family Blenniidae in the subtidal and intertidal zones from the Iranian coasts of the Persian Gulf and Oman Sea. The combtooth blenny samples were collected from eight sampling sites along the coasts of the Persian Gulf (including: Abd, Ameri, Lengeh,...

This study describes the length-weight (LWR) and length-length (LLR) relationships for 254 specimens of Gambusia holbrooki from the Anzali Lagoon, in the southern Caspian Sea basin. Total length (TL), standard length (SL) and weight were determined. Specimens were collected occasionally in summer 2020 by hand net. The maximum total length and weigh...

The present report confirms the presence and probable establishment of the exotic sailfin molly (Poecilia latipinna) from the southern Caspian Sea basin, Iran. The fish seems probably introduced to the Anzali Lagoon in Guilan Province due to the ornamental aquarium trade. This is the first documented record of sailfin molly from the basin, which sh...

Leuciscus is a genus of fish belonging to subfamily Leuciscinae. While, it is widely distributed throughout Eurasia, our perception of the phylogenetic relationships among its members is mainly based on morphological characters. In this study, two mitochondrial (CYTB and COX1) and one nuclear (RAG1) genomic markers were used in order to assess the...

This study describes the length-weight (LWR) and length-length (LLR) relationships for six blenny species collected along the southern coasts of Iran, during occasional sampling from 2017 to 2018. The LWR and LLRs data for Antennablennius variopunctatus, Omobranchus fasciolatus [both from the Qeshm Island in the Persian Gulf] and Alticus kirkii, An...

Iran, due to its climatic diversity, diverse freshwater ecosystems as well as long coastlines, is an important habitat for freshwater and marine fishes. So far, about three hundred species of freshwater fishes have been identified from the inland waters of Iran, about one third of which are unique to the country, that are known as endemic to Iran....

Fish diversity

Geometric morphometric method was used to examine the body shape variations among the six populations of Garra rufa, in Iranian part of Tigris basin. A total of 15 landmark-points was used for 170 specimens to hypothesize population differentiation of G. rufa in the six rivers and reservoir. In discriminant function analysis, 85.9% of original grou...

Understanding the biodiversity of any ecosystem is very important from the conservation perspective. In order to investigate the fish abundance, distribution and biodiversity of Shalmanrood River in Guilan province, seasonal samplings were done by electrofishing equipment during summer 2017 to spring 2018, from 7 sites (with 5 kilometers interval,...

The use of silver nanoparticles for biomedical activities, air and water purification, food production, cosmetics, clothing and household products is very common. Due to their high stability, these compounds have a high potential for entering aquatic ecosystems and accumulating in sediments, water, and animal and plant tissues. The end result of th...

This study was conducted to evaluate the effects of different levels of NaCl used in the diet of farmed Huso huso juveniles based on gene expression of Insulin like growth factor (IGF), and IGF mRNA in the liver and muscle. The NaCl was added in 4 levels of 0 (control), 3, 6 and 9 percent to the basic diet. According to the results, significant cha...

This study was conducted to evaluate the effects of different levels of NaCl used in the diet of farmed Huso huso juveniles based on gene expression of Insulin like growth factor (IGF), and IGF mRNA in the liver and muscle. The NaCl was added in 4 levels of 0 (control), 3, 6 and 9 percent to the basic diet. According to the results, significant cha...

In recent years, common carp cultivation has been proposed for cage culture in the Caspian Sea during the warm seasons, but there is no data available on the effects of water salinity on the physiology of this fish, especially at low weights. Therefore, the present study aimed to investigate the effects of different salinity of water on hematologic...

A new bitterling from the Rhodeus amarus group is described based on morphological and molecular data. Rhodeus caspius sp. nov. from the Caspian Sea, Urmia Lake and the upper Tigris River drainages in Iran, is distinguished from its closest congeners (R. amarus and R. colchicus) by having short post-dorsal distance and caudal peduncle length and lo...

The present study was conducted in Electric Blue Cichlid Sciaenochromis fryeri in early larval developmental stages from the fifth day post hatching (DPH) until 51 DPH to determine day of transforming from embryo to juvenile. Morphological characteristics were evaluated by using ImageJ software. Allometric growth patterns were calculated based on t...

To describe the osteological structure of the Garra rossica, ten specimens were collected from the Mashkid Basin, Iran. After fixation into 10% buffered formalin, they were cleared and stained for osteological examination. Then its detailed osteological description was provided and compared with the available congeners in the genus Garra and other...

The application of nanoparticles in various industries has grown significantly in recent years. The aims of this study were evaluation effects of silver nanoparticles (AgNPs) on survival rate and tissues (Gills) of Guppy (Poecilia reticulate) as a model of the freshwater organism. For this purpose, 90 mature fish were exposed to a different level o...

Introduced species may cause harm to native fish populations, which to design any conservative program to control the exotics an identification key is necessary. To find the morphological differences among the exotic Rhinogobius lindbergi and its sympatric congeners including the endemic Ponticla iranicus and the native Ponticla gorlap, a 15-landma...

The Anzali Wetland is one of the most important water bodies in Iran, due to the Caspian migratory fish spawning, located in the southern Caspian Sea basin, Iran. During a long-term monitoring program, between 1994 to 2019, identification and distribution of fish species were surveyed in five different locations inside the Anzali Wetland and eleven...

Fish taxonomy

Fish phylogeny

The number of exotic freshwater ornamental fish species released from the aquarium trade in Iran has been increasing in recent years. All recorded exotic aquarium fishes are listed here, including 8 species in 7 genera, 5 families, and 5 orders. The introduced species belong to the Neotropical, Nearctic and Palearctic fish elements. Their distribut...

Garra roseae, new species, is described from the stream Tang-e-Sarhe in the Iranian Makran region. It is distinguished from its congeners in the Middle East by lacking barbels, having a small mental disc, 42–58 total scales along the lateral line, 24–30 scales along the predorsal midline, and 20–24 circumpeduncular scales. It is further characteris...

We report herewith the first record of the Siberian sturgeon, Acipenser baerii Brandt, 1869, and the beluga, Huso huso (Linnaeus, 1758), from the Tigris-Euphrates basin. It is also the first Iranian record of Acipenser baerii from natural water bodies. It is possible, that the presently reported specimens were accidentally released from aquaculture...

Paraschistura makranensis, new species, is described from the Jegin River drainage in southern Iran. It is distinguished from its congeners in Iran by having a plain brown or slightly mottled colour pattern on the flanks, a very slender body with a relatively short head, a complete lateral line extending almost to the caudal-fin base, the caudal pe...

The present study aimed to investigate the biodiversity and distribution of fishes in Kohgiluyeh and Boyer-Ahmad Province, and providing an updated checklist of fishes in this province. Samplings were done in the Bashar, Zohreh, Semmeh and Maroun rivers drainages troughout this province during 2017-2018. Overal, 27 specices belonging to 18 genera a...

A new locality is reported for the Iranian subterranean fishes Garra typhlops and Garra lorestanensis (and probably Eidinemacheilus smithi), near the village Tuveh in the Dez River drainage. The site is 31 km straight‐line distance away from the only other known locality where these species have been observed previously. The finding suggests the pr...

Barbus urmianus from the Mahabad-Chai River in Urmia Lake basin, is distinguished from its congeners in the B. lacerta group by a well-developed middle pad of the lower lip, a shorter postdorsal length (25.2-42.0 vs. 46.4-60.7% SL), long anal fin (11.0-23.0 vs. 6.0-10.4% SL), short dorsal-fin base (9.2-15.6 vs. 16.1-22.6% SL), less scales in the ca...

Due to complexity of nemacheilid’s taxonomy based on their morphological characters, researches try to use other proper diagnostic characters such as osteological ones. Hence the current study aimed to describe osteological structures of Paraschistura alta to provide its diagnostic osteological characters. For this purpose, seven specimens were...

The recent study carried out to investigate digestive enzymes and blood biochemical parameters in farmed Huso huso juveniles feeding diet containing different levels of Nacl. This experiment includes 4 treatments. The Nacl added in 4 levels of 0, 3, 6 and 9 percent in to the main diet. In this regard 480 species of farmed Huso huso with mean weight...

The sharpbelly, Hemiculter leucisculus, an invasive species, has expanded its range throughout much of Asia and into the Middle East. However, little is known of its reproductive information regarding spawning pattern and season that could possibly explain its success as an invasive species. This research is the first presentation of its reproducti...

Benthic fish groups with low mobility are often restricted to a narrow range of a stream course, and their morphological characters tend to be affected substantially by the environmental conditions in their habitat. Due to morphological affectability of fishes by many factors in lotic ecosystems, a landmark-based hypothesis was used to investigate...

The occurrence of the exotic Rhinogobius lindbergi (Gobiidae) has been previously reported from Hari, Caspian Sea, Namak and Urmia basins of Iran. It is also formerly reported from the Persian Gulf basin, in Iraq and recently from Iranian part of the Tigris River basin. This study reports range extension and a new locality for R. lindbergi Berg, 19...

Paracobitis abrishamchiani, new species, is described from the southern Caspian Sea basin, where it is found in the Babol, Haraz, Siah, Tajan, Talar and Kashpal River drainages. It is distinguished from P. hircanica and P. atrakensis, the two other Paracobitis species known from the Caspian Sea basin, by having scales on the flank posterior to the...

Original Article How the selective breeding in aquaculture programs can change the body shape of cyprinids; a case study on the native Cyprinus carpio and a cultured stock Abstract: Decades since restocking program of the vulnerable native Cyprinus carpio in the southern Caspian Sea, the cultured stocks in hatcheries have created new challenge to p...

This study was conducted to investigate the effects of dietary betaineon fecundity, fertilization, hatching, larvae survival rates and interval times among continuous spawning in the Golden Severum, Heros severus. For this purpose, three experimental diet treatments were applied to Severum brood stocks as follow: an ornamental commercial diet witho...

Length-weight (LWR) and length-length (LLR) relationships were estimated for 119 specimens of mosquitofish, Gambusia holbrooki, from Qom River, in the Namak Lake basin. The maximum total length and weight of the studied population were 5.8 cm and 3.4 g, respectively. The length-weight parameter b for this species was 3.05 with regression coefficien...

The sailfin molly-Poecilia latipinna, has been previously reported from Zayandehrud and the Tigris River basins in Iran. This report confirms the presence and establishment of the exotic sailfin molly from a warm-water spring in Namak Lake basin. The sailfin molly was probably introduced to the region due to the ornamental aquarium trade, but it is...

Some aspects of reproductive biology of Capoeta razii, an endemic cyprinid species from the Sefid River in the southern Caspian Sea basin, were studied by monthly sampling throughout a year. Age, growth, sex ratio, spawning season, fecundity, gonado-somatic, modified gonado-somatic and Dobriyal indices were estimated. The sex ratio (F: M) was obtai...

The Harirud or Tedzhen River basin is an international endorheic basin at the border of Afghanistan, Iran and Turkmenistan. The present article provides an updated checklist on fish fauna in the Iranian portion of the basin. The confirmed fish fauna comprise 27 species in 22 genera, 7 families, 5 orders, and one class. The most diverse family is th...

Fish populations are affected by dams in terms of morphology, reproduction, migration, growth rate and etc. To examine the hypothesis; how dams can affect the length-weight and length-length relationships in cyprinids, four Capoeta razii segregated populations (by dams) were studied. The length-weight (LWR) and length-length (LLRs) relationships we...

هدف از این مطالعه شناخت خصوصیات ریختی تأثیرگذار در تفکیک جنسیتی holbrooki Gambusia ، بهعنوان یک گونه زندهزای مدل و البته مهاجم در آبهای داخلی ایران، با استفاده از سیستم شبکهای تراس است. نتایج این تحقیق مشخص نمود افراد جنسهای نر و ماده در ماهی زندهزای مورد مطالعه به میزان 011 درصد قابل گروهبندی هستند. تفاوتهای مشاهده شده در دو جنس در خصوصیاتی شامل ط...

Length–weight (LWR) and length–length (LLR) relationships were estimated for specimens of two gobiid species collected from the Anzali Wetland and its related streams in the southern Caspian Sea basin, in August 2017. These represent the first reports of LWR and LLR data for Rhinogobius cf. similis Gill, 1859 (37°28′13″N, 49°20′33″E; 50 individuals...

The present study provides the length-weight and length-length relationships information (LWR & LLR) for three Blenny species; Antennablennius adenensis from the coast of Larak Island in the Persian Gulf and Istiblennius pox and Omobranchus mekranensis, which were captured in the coasts of Chabahar city in the Gulf of Oman, Iran. Total length (TL)...

The giraffe cichlid Nimbochromis venustus Boulenger, 1908 is a well-known species in aquarium trade. The laboratory-reared electric giraffe cichlid was studied in terms of early morphological development and allometric growth pattern from hatching until the juvenile stage i.e. 51 dph. Total length increased linearly from hatching until 51 dph, with...

The subfamily Leuciscinae, within Cypriniformes, consists of many species distributed widely in Eurasia (except for instance India and Southeast Asia). During a survey from 2015 - 2019, we caught the available species of the subfamily in different parts of Iran. Based on previous reports, and our new sampling, the spatial distribution pattern of th...

The electric yellow cichlid Labidochromis caeruleus is a mouth‐brooding haplochromine cichlid from Lake Malawi and one of the most popular cichlids in the ornamental fish industry. To investigate the early development of L. caeruleus from hatching until the juvenile stage, we studied its morphological development and allometric growth patterns. In...

Some reproduction aspects of the "doctor fish", Cyprinion macrostomum, were examined for the first time from the Tigris River drainage. A total of 316 specimens were caught from Gamasiab River in western Iran, at monthly intervals throughout the year from January to December 2013. Age, sex ratio, fecundity, oocytes diameter, gonado-somatic (GSI), m...

Fish taxonomy

The early development of the angelfish (Pterophyllum scalare) was studied from 1 up to 51 days posthatching under culture conditions. The left side of specimens was photographed and morphometric parameters, including total length, head length, tail length, trunk length, eye diameter, caudal peduncle and body depth, were measured using the software...

Loach fishes of the genus Oxynoemacheilus, are found in Iran and adjacent countries, but their reproductive parameters are barely known. The main aim of this study was to obtain reproductive characteristics of Oxynoemacheilus bergianus (Derjavin, 1934). Sampling was carried out at monthly intervals throughout the year and 279 individuals of O. berg...

Heavy metals are one of the factors threatening food security and the ecosystem health. The 96h LC50 test is a method to find amount of resistance and survival of different species in confronting with different concentrations of pesticides and other risk factors. The aim of the present study was to evaluate the sensitivity of the two species of fre...

Length–weight (LWR) and length–length (LLR) relationships were estimated for 330 specimens from nine Paracobitis species in 11 localities throughout Iran. All fish were collected upon occasion by electrofishing throughout Iran from July 2010 to October 2016. These represent the first reports of LWR data for eight species including: Paracobitis atra...

Length–weight (LWR) and length–length (LLR) relationships were estimated for 11 Alburnoides species from 15 localities throughout Iran. These represent the first reports of LWR and LLRs data for 10 species, including: Alburnoides coadi (40 specimens), A. damghani (30), A. eichwaldii (110), A. holciki (30), A. idigensis (113), A. namaki (30), A. nic...

In the present investigation, some reproductive characteristics of Alburnus mossulensis were examined. Sampling of 325 specimens were carried out at monthly intervals from Gamasiab River, Tigris River drainage, western Iran, through the year 2013. Age, sex ratio, fecundity, oocytes diameter, gonadosomatic (GSI), modified gonadosomatic, Dobriyal and...