بررسی نسبت جنسی و تعیین طول در اولین سن بلوغ اویستر صخره ای SOCCOSTREA CUCULATAدر سواحل دریای عمان

نوع مقاله: مقاله پژوهشی

نویسندگان

چکیده

 نسبت جنسی،  SOCCOSTREA CUCULAT ، دریای عمان ،ایران

کلیدواژه‌ها


عنوان مقاله [English]

Sex Ratio and Length Determination at the Onset of Maturity of Rock Oyster Saccostrea cucullata in the Oman Sea

نویسندگان [English]

  • A. Ardalan
  • H. Emadi
  • B. Kiabi
  • A. Savari
چکیده [English]

Sex ratio and length at maturity in the rock oyster, Saccostrea cucullata was studied in the Iranian shores of Oman Sea. Monthly sampling was conducted 10 stations within one year priod (March 1996 to February 1997). Results indicated that sex ratio is 1:1. Among the first matured age groups, nearly 67 percent of the samples were male and 33 percent were female. With increasing size, the percentage of females were increased, indicating a protandric nature. More than 50 percent of the samples were matured when their length exceeded 36 mm. Smallest matured specimen had a length of 22 mm.

کلیدواژه‌ها [English]

  • Sex ratio
  • Saccostrea cucullata
  • Oman Sea
  • Iran