Abstract

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Sillago suezensis (GOLANI; FRICKE and TIKOCHINSKI, 2014) samples were collected during September and November 2013 from bottom trawlers operated off Port Said (Egyptian Mediterranean waters). It was evident that 87 specimens recorded had lengths between 12.0cm and 19.0cm with an average of 14.2cm while three specimens (recruits) with average length 7.0cm were recorded during November. Length- weight relationship showed negative allometric growth and condition factor varied between 0.877 for smaller size (12.0cm) and 0.642 for large size fishes (19.0cm). Age composition of this species revealed the presence of two age groups during September: age group one with mean length 13.62cm and age group two with average length 17.01cm. The sex ratio of males to females was 0.85: 1 however; males dominated the catch at length ranged between 12.0cm and 16.0cm but females dominated the catch at larger sizes between 17.0cm and 19.0cm. The maturity stages of males and females showed that both sexes were ripe during September and the appearance of recruits in November declared that this species nearly spawn during summer. The potential impacts of the economic Erythrean species in the Egyptian Mediterranean fisheries exhibit desirable consequences.

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