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  • 1
    Publication Date: 2018-06-11
    Print ISSN: 1476-1122
    Electronic ISSN: 1476-4660
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Natural Sciences in General , Physics
    Published by Springer Nature
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  • 2
    Publication Date: 2017-08-21
    Print ISSN: 0021-8979
    Electronic ISSN: 1089-7550
    Topics: Physics
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  • 3
    Publication Date: 2015-03-19
    Print ISSN: 1091-6466
    Electronic ISSN: 1532-2459
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Published by Taylor & Francis
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  • 4
    Publication Date: 2021-05-19
    Description: The aim of this study was to detect the occurrence of parasites in Prussian carp, Carassius gibelio as the most important alien fish in Anzali international wetland. This undesirable fish was introduced accidentally to Iran with Chinese carp fries which imported to the country during the last decades and then acceded to Anzali wetland. Today this fish has significant stocks in Anzali wetland but there have been limited studies about the parasites of this fish in Anzali wetland. During this study a total of 90 Prussian carp were collected by electrofishing and gillnets from April through July 2012. After recording biometric characteristics, common necropsy and parasitology methods were used. A total of 2715 individuals out of 11 parasite species were recovered. Parasitofauna consisted of: two protozoans, Ichthyophthirius multifiliis and Trichodina sp. one nematode, Raphidascaris acus one trematode, Diplostomum spathaceum six monogeneans, Dactylogyrus formosus, Dactylogyrus dulkeiti, Dactylogyrus baueri, Dactylogyrus arquatus, Dactylogyrus inexpectatus and Gyrodactylus kobayashii and one crustacean, copepodid stage of Lernaea cyprinacea. The monogeneans had the highest prevalence values (88.89%). The occurrence of D. inexpectatus in C. gibelio is reported for the first time in Iran.
    Description: Published
    Keywords: Fish disease ; Prusian carp ; Carassius gibelio ; Parasites
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.276-288
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  • 5
    Publication Date: 2021-05-19
    Description: Length-weight relationship and condition factor were estimated in seven fish species, including Barbus cyri, Capoeta gracilis, Alburnoides eichwaldii, Pseudorasbora parva, Ponticola cyrius, Cobitis keyvani and Acanthalburnus microlepis from Shahrbijar River, Guilan Province, Iran. A total of 416 specimens ranging from 18 to 135 mm in total length and from 0.06 to 19.25 g in total weight were collected. Based on the results, growth coefficient values “b” ranged from 2.615 (in B. cyri) through 3.001 (in A. microlepis). All length-weight relationships were significant (p〈0.05), with r2 higher than 0.819. The five species viz. C. gracilis, P. parva, C.keyvani, P. cyrius, and B. cyri showed allometric (b〈3〈b) while two species viz. A. microlepis and A. eichwaldii showed isometric (b=3) growth patterns. Condition factor ranged from 0.57 (in C.keyvani) through 1.11 (in P.cyrius). All linear regressions were highly significant (p〈0.05). The present study provides the first baseline information on the length - weight relationships of the seven fish species from Shahrbijar River which may be useful for further fisheries management of these species.
    Description: Published
    Keywords: Barbus cyri ; Capoeta gracilis ; Alburnoides eichwaldii ; Pseudorasbora parva ; Ponticola cyrius ; Cobitis keyvani ; Acanthalburnus microlepis ; Freshwater fishes ; Morphometrics ; Allometry ; Length-weight relationship ; Condition factor ; Species
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.733-741
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  • 6
    Publication Date: 2021-05-19
    Description: ABSTRACT (UNDETERMINED) Pike (Esox lucius) of Chamkhaleh River in Langrood (Iran) was studied from winter 2003 to autumn 2004. We collected 123 specimens of the fish and sent them live to the lab for examinations. Biometrical measurements, age and sex determination were conducted on the samples. The eye, skin, gill, digestive system, muscle and other organs of the specimens were examined for parasite infestation. Seven parasites: Raphidascaris acus, Camallanus lacustris, Diplostomum spathaceum, Tetraonchus monenteron, Triaenophorus crassus, Corynosoma strumosoum, Lernaea sp. were found in the pikes of the Chamkhaleh River. The most prevalent parasite was R. acus (37.39%) and the least were C. strumosum and Lernaea sp. (0.81% each). The highest mean intensity of the parasites was related to T. crassus (8.45 specimens) and the lowest was detected for Lernaea sp. (0.01). The highest range in parasite infection was seen for R. acus (1-45) and the lowest for Lernaea sp. with only one individual parasite. We observed seasonal, age and sex differences in infection rate with the parasites. This is the first time report of the pike as a host for C. strumosum.
    Description: Published
    Keywords: Tetraonchus monenteron ; Raphidascaris acus ; Diplostomum spathaceum ; Esox lucius ; Camallanus lacustris ; Corynosoma strumosoum ; Triaenophorus crassus ; Age ; Skin ; Freshwater fish ; Digestive system ; Gills ; Freshwater ; Sex determination ; Eyes ; Muscles
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.37-50
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  • 7
    Publication Date: 2021-05-19
    Description: In 2001, we studied 2600 sturgeon fingerlings including: 2242 Acipenser persicus, 150 Acipenser stellatus, 150 Acipenser nudiventris and 58 Huso huso from Shahid Beheshti and Yousefpour hatcheries for parasitic infection. We found three parasites including Diplostomum spathaceum, Trichodina sp. and Gyrodactylus sp infesting the fish. The prevalence and average intensity of Diplostomum spathaceum was 5.49% and 1.66 for Acipenser persicus, 0.66% and 1 for Acipenser stellatus and, 22.41% and 5.38, for Huso huso fingerlings respectively. No Diplostomum infection was observed in Acipenser nudiventris. The prevalence and average infection intensity of Trichodina sp. was 45.05% and 76.14 for Acipenser persicus, 44% and 51.36 for Acipenser stellatus, 36% and 63.51 for Acipenser nudiventris, and 32.76% and 34.73 for Huso huso fingerlings, respectively. Totally, the prevalence of Gyrodactylus sp. was 0.46% in the two hatcheries. The prevalence of infection with Gyrodactylus sp. was 0.36% in Acipenser persicus and 2.66% in Acipenser stellatus.
    Description: Published
    Keywords: Parasites ; Fingerlings ; Earthen pond ; Sturgeon ; Diplostomum ; Trichodina ; Gyrodactylus ; Infection ; Acipenser persicus ; Acipenser stellatus ; Acipenser nudiventris ; Hatcheries ; Trichodina sp. ; Gyrodactylus spp ; Huso huso
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.55-62
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  • 8
    Publication Date: 2021-05-19
    Description: Infection with Diplostomum spathaceum parasite is studied in 660 fish specimens from Amirkalaieh wetland of Guilan Province. We collected samples of fish belonging to Esax litchis (78 pieces), Percalluviatilis (163 pieces), Tinca tinca (105 pieces), Cilurtts glanis (64 pieces), Carasshis ouratus 64 pieces, Bliccia bjuericlia (95 pieces) and Rutilus rutilus (91 pieces) since spring to winter 2001. We found the highest infection rate in Rutilus rutihis (63.33%) while the lowest was seen in gialiis (3.13%). The highest and lowest average infection severity were detected in Rutilus rutilus (13.49±10.82), and Tinca tinca .2±0.45), respectively. The highest parasite abundance was related to Rutilus rutihts (7.04±0.93), and the lowest abundance was observed in Tinca tinca (0.06±0.27). Parasite count range was most in Rutilus rutilus (1-49), and least in Tinca tinca (1-2). Statistical analyses revealed significant differences in species, age, sex and season as related to the infection with the parasite.
    Description: Published
    Keywords: Rutilus rutilus ; Tinca tinca ; Percalluviatilis ; Esax litchis ; Cilurtts glanis ; Carasshis ouratus ; Bliccia bjuericlia ; Species ; Fish ; Diplostomum ; Abundance ; Diplostomum spathaceum ; Sex ; Age
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.49-66
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  • 9
    Publication Date: 2021-05-19
    Description: Digestive parasites of commercial fish species in the Boojagh wetland were studied in 2002. The fish species included Esox lucius, Cyprinus carpio, Blicca bjoerkna, Tinca tinca, Carassius auratus, Rutilus frisii kutum, Rutilus rutilus and Scardinius erythrophtalmus. Species C. auratus, R. frisii kutum and B. bjoerkna were found free of digestive parasites. The other five species were carrying one of the three digestive parasites Raphidascaris aces, Caryophyllaeus fimbericeps and Asymphylodora tincae. R.acus parasite was isolated from E. lucius and E. erythrophtalmus infecting the species with a mean intensity of 1.1± 11.15 and 1.8±0.83, a prevalence of 15.4% and 20.2% and a mean abundance of 1.69 and 0.38 respectively. C. carpio and R. rutilus were only infected with C. fimbericeps parasite with a mean intensity of 30.30±46.33 and 5±0, a prevalence of 46.5% and 2.78%, and a mean abundance of 15.48 and 0.14 respectively. The parasite A. tincae was observed only in T. tinca infesting the fish with a mean intensity of 20±0, a prevalence of 25% and mean abundance of 5. Infection of Esox lucius with the parasite A. tincae had been reported from other sites, but this is the first record of Scardinius erythrophtalmus being infected with the parasite. This is also the case for infection of C. carpio with the parasite Caryophyllaeus fimbericeps which was reported before, but found infesting R. rutilus in the Boojagh wetland for the first time.
    Description: Published
    Keywords: Esox lucius ; Cyprinus carpio ; Blicca bjoerkna ; Tinca tinca ; Carassius auratus ; Rutilus frisii kutum ; Rutilus rutilus ; Scardinius erythrophtalmus ; Caryophyllaeus fimbericeps ; Asymphylodora tincae ; Scardinius erythrophtalmus ; Fish digestive parasites ; Fish ; Species ; First time
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.9-18
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  • 10
    Publication Date: 2021-05-19
    Description: Understanding habitat requirements of aquatic organisms is key factor for sustainable exploitation and biodiversity conservation of riverine ecosystems. The habitat preference in fish has extremely important for the management of fish populations. The habitat requirements of Black fish (Capoeta capoeta gracilis) in Siyahrud River -tributaries of the Sefidrud River in Caspian basin- were studied in 13 stations along the river during October to November 2013. Hydrological characteristics of the river including water velocity, depth and width, slope, altitude, type of substrate materials, and plant coverage were recorded for each station. Ranges of habitat use and habitat selectivity with regard to the availability of habitat units for different variables were measured using HABSEL software. Despite significant correlation between the water velocity and depth, results from multiple regressions showed preference for the depth range of 17 to 38 cm. The results showed that behavioral preference in C. capoeta gracilis for the velocity was between 0.44 and 0.56 m/s. Also, specimens tended to be present in cobble stone substrate. Therefore, the anthropogenic activities over the Siyahrod River changing the river width, depth, substrate and the flow rate may affect the presence and distribution of C. capoeta gracilis in the mentioned river.
    Description: Published
    Keywords: Black fish ; Capoeta capoeta gracilis ; Environment variables ; Habitat ; Preference ; HABSEL ; C. capoeta gracilis ; Fish ; Populations
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.1-10
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