EVALUATION OF SOME GROWTH PARAMETERS OF CASPIAN LAMPREY (CASPIOMYZON WAGNERI) DURING THE MIGRATORY SEASON IN THE SHIRUD AND TALAR RIVERS (MAZANDERAN PROVINCE)

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NAZARI HASAN; ABDOLI ASGHAR; VOSSOUGHI GHOLAM HOSEIN; FARHAD KAYMARAM

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Journal: JOURNAL OF MARINE SCIENCES AND TECHNOLOGY Year:2010 | Volume:9 | Issue:2 Page(s): 55-67

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Title

EVALUATION OF SOME GROWTH PARAMETERS OF CASPIAN LAMPREY (CASPIOMYZON WAGNERI) DURING THE MIGRATORY SEASON IN THE SHIRUD AND TALAR RIVERS (MAZANDERAN PROVINCE)

Author(s)

NAZARI HASAN | ABDOLI ASGHAR | VOSSOUGHI GHOLAM HOSEIN | FARHAD KAYMARAM | Issue Writer Certificate

Keywords

GROWTHQ2

CASPIAN LAMPREYQ3

CASPIOMYZON WAGNERIQ3

SHIRUDQ3

TALARQ3

Abstract

The purpose of this study was to investigate weight–length relationship of CASPIAN LAMPREY, CASPIOMYZON WAGNERI, in two SHIRUD and TALAR Rivers. Totally, 242 fish specimens were collected using hand and a circle cast-net during their spring migration (from 22 March to 9 May, 2006). The most length frequency in both sexes was 367–369 mm. Weight–length relationship revealed a positive, high and significant correlation in the SHIRUD River population (male: r=0.89 and p=0.00; female: r=0.86 and p=0.00) and TALAR River (male: r=0.93 and p=0.00; female: r=0.74 and p=0.00). GROWTH pattern was negative allometric between sexes and rivers. The coefficient of condition in females was higher in the rivers, but there was no significant difference between populations (p³0.05). The sex ratio (male to female) was 1.1 to 1 and 1 to 1.1 in the SHIRUD and TALAR Rivers, respectively. Investigation of lamprey gut in both rivers showed that in most of them gut was empty of food and in some of guts observed parasite Corynosoma sp. from Acanthocephal groups was observed. The results this study showed that GROWTH parameters are similar in two rivers.

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APA: Copy

NAZARI, HASAN, ABDOLI, ASGHAR, VOSSOUGHI, GHOLAM HOSEIN, & FARHAD, KAYMARAM. (2010). EVALUATION OF SOME GROWTH PARAMETERS OF CASPIAN LAMPREY (CASPIOMYZON WAGNERI) DURING THE MIGRATORY SEASON IN THE SHIRUD AND TALAR RIVERS (MAZANDERAN PROVINCE). JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, 9(2), 55-67. SID. https://sid.ir/paper/74667/en

Vancouver: Copy

NAZARI HASAN, ABDOLI ASGHAR, VOSSOUGHI GHOLAM HOSEIN, FARHAD KAYMARAM. EVALUATION OF SOME GROWTH PARAMETERS OF CASPIAN LAMPREY (CASPIOMYZON WAGNERI) DURING THE MIGRATORY SEASON IN THE SHIRUD AND TALAR RIVERS (MAZANDERAN PROVINCE). JOURNAL OF MARINE SCIENCES AND TECHNOLOGY[Internet]. 2010;9(2):55-67. Available from: https://sid.ir/paper/74667/en

IEEE: Copy

HASAN NAZARI, ASGHAR ABDOLI, GHOLAM HOSEIN VOSSOUGHI, and KAYMARAM FARHAD, “EVALUATION OF SOME GROWTH PARAMETERS OF CASPIAN LAMPREY (CASPIOMYZON WAGNERI) DURING THE MIGRATORY SEASON IN THE SHIRUD AND TALAR RIVERS (MAZANDERAN PROVINCE),” JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, vol. 9, no. 2, pp. 55–67, 2010, [Online]. Available: https://sid.ir/paper/74667/en

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