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Abstract

In the present study, some biological aspects of Capoeta trutta (Heckel, 1843) have been examined for the aim of future stock assessment, exploitation and conservational managements. A total of 103 fish specimens were collected seasonally from Seymareh River, Tigris basin, Iran, in four seasons during 2011-2012. Observed maximum age was 4+ in both sexes and sex ratio obtained as 1M:1.9F. Analyses showed a highly significant length-weight relationship of 0.98 for C. trutta with a b parameter of 3.09. Generally, females were larger than males with the maximum length of 28.0cm and minimum of 9.8cm. Mean Relative Length of Gut (RLG), weight (W) and total length (TL) were calculated according to size classes and ages. The most frequent size belonged to 20-24cm length group with the percentages of 52.9 and 48.6 for females and males, respectively. Based on the results of main reproductive indices; Gonado-Somatic Index (GSI), Modified Gonado-Somatic Index (MGSI) and Dobriyal Index (DI), C. trutta spawns once a year in spring. Condition factor (K) value also revealed the peak in the spring which is in accordance with the highest gonadal maturity of this species. The mean value for RLG was obtained as 4.6 and Zihler’s index (ZI) was calculated as 2.11. Based on RLG and Zihler indices, C. trutta might be considered an herbivore species.

Keywords

Cyprinids Longspine scraper Biology Reproductive indices Zihler’s index Tigris basin.

Article Details

How to Cite
PAZIRA, A.-R., FAZELI, F., ZAREI, Z., MAGHSOUDLOO, T., & VATANDOUST, S. (2016). Life history traits of Capoeta trutta (Heckel, 1843) from Seymareh River, western Iran (Teleostei: Cyprinidae). Iranian Journal of Ichthyology, 2(4), 280–286. https://doi.org/10.22034/iji.v2i4.92

References

    Al-Hussaini, A.H. 1947. The Feeding Habits and the Morphology of the Alimentary Tract of Some Teleosts: Living in the Neighbourhood of the Marine Biological Station, Ghardaqa, Red Sea. Fouad I University Press.
    Coad, B.W. 2016. Freshwater fishes of Iran. www.briancoad.com (last accessed on October 7, 2016).
    Cone, R.S. 1989. The need to reconsider the use of condition indices in fishery science. Transactions of the American Fisheries Society 118: 510-514.
    Dobriyal, A.; Rautela, K. & Rautela, A. 1999. Invention of a new index for the determination of sexual maturity in fishes. Uttar Pradesh Journal of Zoology 19: 207-210.
    Duman, E. 2004. Reproductive Biology of Capoeta trutta Heckel, 1843 (Pisces: Cyprinidae) living in Keban Dam Lake. F.Ü. Fen ve Mühendislik Bilimleri Dergisi 16: 145-150.
    Esmaeili, H.R. & Ebrahimi, M. 2006. Length–weight relationships of some freshwater fishes of Iran. Journal of Applied Ichthyology 22: 328-329.
    Esmaeili, H.R.; Coad, B.W.; Gholamifard, A.; Nazari, N. & Teimory, A. 2010. Annotated checklist of the freshwater fishes of Iran. Zoosystematica Rossica 19: 361-386.
    Esmaeili, H.R.; Gholamifard, A.; Vatandoust, S.; Sayyadzadeh, G.; Zare, R. & Babaei, S. 2014. Length–weight relationships for 37 freshwater fish species of Iran. Journal of Applied Ichthyology 30: 1073-1076.
    German, D. & Horn, M. 2006. Gut length and mass in herbivorous and carnivorous prickleback fishes (Teleostei: Stichaeidae): ontogenetic, dietary, and phylogenetic effects. Marine Biology 148: 1123-1134.
    Gül, A.; Yılmaz, M. & Solak, K. 1996. Growth characteristics of Capoeta trutta (Heckel, 1843) living in Tohma stream of Firat River. Turkish Journal of Zoology 20: 177-185.
    Javaheri Baboli, M.; Taghavi Niya, M. & Pazira, A. 2012. Length-weight relationship and Condition factor of Copoeta trutta in Shour River downstream. Advances in Environmental Biology 6: 1731-1734.
    Kalkan, E. 2008. Growth and reproduction properties of Capoeta trutta (Heckel, 1843) in Karakaya Dam Lake. Turkish Journal of Zoology 32: 1-10.
    Kramer, D. & Bryant, M. 1995. Intestine length in the fishes of a tropical stream: 2. Relationships to diet - the long and short of a convoluted issue. Environmental Biology of Fishes 42: 129-141.
    Mac Gregoer, J.S. 1959. Relation between fish condition and population size in the sardine (Sardinops cacrulea). Fisheries Bulletin 60: 215-230.
    Matthews, W.J. 2012. Patterns in Freshwater Fish Ecology. Springer Science and Business Media, US.
    Nikolsky, G.V. 1963. The Ecology of Fishes. Translated from the Russian by Birkett, L. Academic Press, London, UK.
    Patimar, R. & Farzi, S. 2011. Life history and other biological traits of the trout barb Capoeta trutta in the River Meymeh (western Iran). Folia Zoologica 60: 153-158.
    Pauly, D. 1980. On the interrelationships between natural mortality, growth parameters and mean environmental temperature in 175 fish stocks. Journal of Conservation and International Exploration of Maritime 39: 175-192.
    Peyghan, R.; Nabavi, L. & Hosseini, M.R. 2001. The prevalence of helminth parasites in intestines of Capoeta trutta, Barbus barbulus and Barbus grypus in Khorramabad Rivers. Iranian Veterinary Journal 4: 55-66. (In Farsi)
    Polat, N. 1987. Age determination of Capoeta trutta (Heckel, 1843) in Keban Dam Lake. Turkish Journal of Zoology 11: 155-160.
    Poria, M.; Nouri, F.; Ghanbary, K. & Heshmatzad, P. 2013. Interrelationship between morphometric variablesand body weight Capoeta trutta (Heckel, 1843) evaluated by path analysis in Gamasiab River of Kermanshah Province, West of Iran. World Journal of Fish and Marine Sciences 5: 674-679.
    Robards, M.D.; Piatt, J.F. & Rose, G.A. 1999. Maturation, fecundity and intertidal spawning of pacific and lance in the northern gulf of Alaska. Journal of Fish Biology 54: 1050-1068.
    Tahami, M.S.; Esmaeili, H.R. & Safaie, M. 2015. Population dynamic parameters of the highly endemic fish, Alburnoides qanati Coad and Bogustkaya 2009 (Teleostei: Cyprinidae) in the Kor River Basin, Iran. International Journal of Aquatic Biology 3: 119-128.
    Tesch, F.W. 1971. Age and growth. In: W. E. Ricker (Ed.), Methods for Assessment of Fish Production in Freshwaters. Blackwell Scientific Publications, Oxford, UK, pp. 98-130.
    Tomkiewicz, J.; Morgan, M.J.; Burnett, J. & Saborido-Rey, F. 2003. Available information for estimating reproductive potential of northwest Atlantic groundfish stocks. Journal of Northwest Atlantic Fishery Science 33:1-21.
    Ünlü, E. 1991. Investigation on the biological characteristics of Capoeta trutta (Heckel, 1843) living in Tigris River. Turkish Journal of Zoology 15: 12-38.
    Williams, J.E. 2000. The coefficient of condition of fish. In Schneider, J.C. (ed.). Manual of Fisheries Survey Methods II. Fisheries Special Report, Michigan Department of Natural Resources.
    Zihler, F. 1982. Gross morphology and configuration of digestive tracts of Cichlidae (Teleostei, Perciformes): phylogenetic and functional, significance. Netherlands Journal of Zoology 32: 544-571.