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Information Journal Paper

Title

SOME BIOLOGICAL ASPECTS OF THUNNUS ALBACRES AND KATSUWONUS PELAMIS IN OMAN SEA (SISTAN-O-BALOCHESTAN PROVINCE)

Pages

  35-62

Abstract

 Some biological aspects of yellowfin and skipjack tuna according to catch data of traditional gillnet fisheries were studied in the north of OMAN SEA during 1997-99. Based on Gonadosomatic Index (GSI) results, the spawning period of yellowfin begins in spring and reaches to the peak level in May-June. For skipjack tuna, in addition to the above mentioned spawning period, the other observed period was found in autumn-winter with a peak in January-February. The first length of maturity (LM50%) of yellowfin and skipjack tuna females were estimated 76 and 61 cm, respectively. Observation of stomach contents showed that squid was the major components of diet for yellowfin and fish for skipjack tuna. A comparsion between mean length of different years and landing sites using two-way analysis of variance indicated a significant differences. The length-weight equations showed an allometric growth in yellowfin tuna and isometric growth in skipjack.

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  • Cite

    APA: Copy

    HOSSEINI, S.A.. (2002). SOME BIOLOGICAL ASPECTS OF THUNNUS ALBACRES AND KATSUWONUS PELAMIS IN OMAN SEA (SISTAN-O-BALOCHESTAN PROVINCE). IRANIAN SCIENTIFIC FISHERIES JOURNAL, 11(1), 35-62. SID. https://sid.ir/paper/4501/en

    Vancouver: Copy

    HOSSEINI S.A.. SOME BIOLOGICAL ASPECTS OF THUNNUS ALBACRES AND KATSUWONUS PELAMIS IN OMAN SEA (SISTAN-O-BALOCHESTAN PROVINCE). IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2002;11(1):35-62. Available from: https://sid.ir/paper/4501/en

    IEEE: Copy

    S.A. HOSSEINI, “SOME BIOLOGICAL ASPECTS OF THUNNUS ALBACRES AND KATSUWONUS PELAMIS IN OMAN SEA (SISTAN-O-BALOCHESTAN PROVINCE),” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 11, no. 1, pp. 35–62, 2002, [Online]. Available: https://sid.ir/paper/4501/en

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