Reproductive biology of arabian pandora, pagellus affinis (boulenger, 1888)‎ from Hadhramout coast, Gulf of Aden

الملخص EN

Two hundreds and fifty eight fish of P.

affinis samples were randomly collected from Hadhramout coast, Gulf of Aden during period of March 2012 until April 2013.

Generally, the best growth performance of P.

affinis was occurred from May to September related to available nourishment, upwelled bottom nutrient.

Length-weight relationship was 2.83 appeared the isometric growth during whole year.

Sex ratio was revealed 1:1, males to females in whole year.

The gonado somatic index values were above 3%, showing that spawning could be placed in June to September in a year at length 20.2 cm to 22.8 cm, with a peak of activity spawning in September.

The highest percentage of absolute fecundity was 35% in June followed by 25% in both August and July, whereas the lowest percentage was 15% in September.

Also, condition factor give the impression the sexual maturity from July to November at 19 cm to at 21.1 cm length.-