كليدواژه :
تخم ريزي , تغذيه , هوور , ماهي ها , Spawing , هماوري , Longtail tuna (Thunnus tonggol) , خليج فارس , Fecundity , درياي عمان , feeding , دامپروري , The Persian Gulf and Oman Sea
چكيده لاتين :
A study on long tail tuna (Thunnus tonggol) in the Perisan Gulf and Oman Sea based on 728 fishes showed that no significant difference with 95% coefficient of confidence in sex ratio for males and females. The mature size for female was in 73.3cm fork length. For females two spawing seasons estimated. Major spawing was in summer with peak in August. Fecundity of females ranging in size from 70 to 87cm fork length varied 1 to 2.5 million. Qualitive analysis of stomach contents revealed that sardines, digested small fishes, anchovies and squids were eaten by long tail tuna.
