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  • Fisheries  (5)
  • 1
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    Creation and promotion Iranian fisheries research institute laboratories data base (2017)
    Details
    Publication Date: 2021-05-19
    Description: Creating a database of affiliated laboratories of the institute is organized with the aim of integrating information related to laboratories of research centers and their subsidiaries. The main objective of conducting this project in this stage is to upgrade it, establish and running one software system based on up-to-date technology of networking. For this purpose organizing the centers database, a periodic report on various aspects can be done which help for implementing appropriate monitoring and management .Among the sectors that are designed and upgraded for this system include : Portal, bank of information, advanced possibilities for inputting data, searching and reporting on laboratory.The advantages of this precise and updated reports can be collected easily from the general information of research institutes and centers, reports of the number of lab experts with different educational levels in affiliated centers, awareness of numbers and status of the chemical materials in the laboratories of each center, and the significant and important point is about economizing equipment, chemical materials and on time calibration.
    Description: Published
    Keywords: Bank of information ; Laboratories ; Research institute ; Network ; Data ; Fisheries
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.149-153
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  • 2
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    Morphology of swim bladder in false trevally (Lactarius lactarius) (2021)
    In:  http://aquaticcommons.org/id/eprint/21815 | 18721 | 2018-01-08 09:58:20 | 21815 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-02
    Description: The swim bladder status of false trevally (Lactarius Lactarius) was studied from November 2007 to October 2008 in coastal waters of the Oman Sea. A number of 702 swim bladders of false trevally specimens were collected randomly from catch composition of gillnets and bottom trawler. False trevally has an unusual swim bladder, as the first and the second spines of its anal fin are joined that creates a single bone, which is called anchorage bone, and passes from the middle of the swim bladder and 2 lobes of the gonad and connects to the 10th vertebra of the spinal column. Another ending of this bone is wide and reaches anal fin base. This bone is like an anchorage for swim bladder of false trevally and it functions as a center of gravity of the fish in anal fin base. It firms the exterior part of the fish body, so the fish swims through rough waters easily.
    Keywords: Biology ; Fisheries ; False Trevally ; Lactarius lactarius ; Swim bladder ; Oman Sea ; Iran ; Morphology
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 143-146
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  • 3
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    Stock identification of Arabian yellow fin sea bream (Acanthopagrus arabicus) using shape of otolith in the Northern Persian Gulf and Oman Sea (2021)
    In:  http://aquaticcommons.org/id/eprint/26444 | 18721 | 2019-05-06 10:09:04 | 26444 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-24
    Description: Otolith shape analysis is one way to identify stocks of different fish species in the marine environment. Length, width, area, perimeter, form factor, aspect ratio, roundness, circularity, ellipticity and rectangularity analyses of otoliths were undertaken to assess patterns of spatial and temporal stock structure of a wide-ranging fish, the Arabian yellow fin sea bream Acanthopagrus arabicus. Fish were sampled from 125 stations across the distribution range of the species in the Northern Persian Gulf and Oman Sea from June 2014 to May 2016. Analysis of morphometric parameters of otolith showed the minimum size in Khuzestan waters and the West Strait of Hormuz and the maximum size in the East Strait of Hormuz. In Bushehr waters, form factor showed the lowest and circular factor showed the highest frequency. These findings are in agreement with the irregularity in otolith margin of this area. The highest aspect ratio of otolith indicated higher growth in Khuzestan Waters. The thinner and longer otoliths were identified in the East Strait of Hormuz region. Further, rectangularity ratio factor in the Bushehr and West Strait of Hormuz waters was higher in comparison with other regions and this finding confirmed the quadrilateral otolith shape of this region. There are significant differences among otolith morphometric variables of the A. arabicus (p〈0.05). The result of discriminant analysis on morphometric parameters indicated that 53/8 percent were in their geographic location accurately.
    Keywords: Biology ; Fisheries ; Shape otolith indices ; Stock identification ; Acanthopagrus arabicus ; Northern Persian Gulf and Oman Sea
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 60-70
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  • 4
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    Ichthyotoxism in Capoeta capoeta gracilis (Keyserling, 1861) from west of Urmia (Marmisho Lake), Iran (2021)
    In:  http://aquaticcommons.org/id/eprint/22506 | 18721 | 2018-04-14 19:09:44 | 22506 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-06
    Description: Fish egg poisoning is a public health hazard although usually the incident rate, mortality and fish species involved are not well reported (Halstead,1970). Four species of Cyprinidae in Iran have been suggested as ichthyotoxic by Coad (1979) .namely Abramis brama. Cyprinus carpio .Schizothorax zarudnyi and Tinca tinca and it was thought that other species may be discovered subsequently.Najafpour and Coad (2002) reported ichthyotoxin in the cyprinid Barbus luteus from Iran ,and the study records another species. The Cyprinid fish Capoeta capoeta known as Siah mahi or gara balig in Iran.
    Keywords: Biology ; Fisheries ; Health ; Capoeta capoeta gracilis ; Cyprinidae ; Ichthyotoxine ; poisoning ; Urmia ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 223-225
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  • 5
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    Short communication: Morphometric and meristic comparison between two similar species of Luciobarbus barbulus (Heckel, 1847) and Luciobarbus pectoralis (Heckel, 1843) (2021)
    In:  http://aquaticcommons.org/id/eprint/23085 | 18721 | 2018-06-17 19:29:31 | 23085 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-12
    Description: The two species, Luciobarbus barbulus (Heckel, 1847) and Luciobarbus pectoralis (Heckel, 1843) are similar to each other and some researchers get confused and mistake one for the other. During a one year seasonal sampling, 79 specimens were collected from the main rivers of west and southwest of Iran in the Tigris River basin using electrofishing as the main method for sampling. Samples were fixed in 10% formalin and transferred to the laboratory, Then 24 morphometric and meristic parameters as well as 11 ratios of the major parameters between the two species were studied. According to the results of this study in addition to similarities there are ten differences between them, with the most important ones being the shape of the head and lips, number of gill rakers and number of pectoral fin branched rays.
    Keywords: Biology ; Fisheries ; Luciobarbus barbulus ; Luciobarbus pectoralis ; Biometric parameters ; Tigris Basin ; Iran ; Ecology
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 451-456
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