الفهرس 
IntroductionOnly 14 pages are availabe for public view
 |  | from | 282 |  |  |
| | | from | 282 | | |
Abstract
The artisanal fishery in the Gulf of Suez contributed about 2.45 % of the total fish production from the Gulf. Lethrinid fishes in the Gulf of Suez are exploited by the artisanal fishery and considered as one of the most valuable food fishes in the Gulf. Lethrinid catch contributes about 16.78 % of the total artisanal catch in the Gulf of Suez. The catch statistics through the fishing seasons from 1979/1980 to 1994/1995 indicated that the lethrinid catch varied from a maximum value of 200 ton in the fishing season 1981/1982 to a minimum value of 16 ton during the fishing season 1991/1992 with a mean of 82.96 ton during the investigated seasons. The total artisanal catch fluctuates between a maximum value of 821 ton during the fishing season 1989/1990 and a minimum value of 193 ton during the fishing season 1991/1992 with a mean value of 494.28 ton. The seasonal fishing effort represented by the number of fishing boats showed that the number of fishing boats operated in the Gulf of Suez ranged between 93 boat during the fishing season 1979/1980 and 170 boat during the fishing season 1989/1990. Estimation of catch per unit of fishing effort expressed as the catch per fishing boat indicated that the lethrinid catch per fishing boat ranged between 1.9 ton / boat during the fishing season 1979/1980 and 0.11 ton / boat during the fishing season 1991/1992. In respect to the total catch per unit of fishing effort , it varied from 7.2 ton / boat (1979/1980 ) and 1.3 ton / boat ( 1991/1992 ). Age of males and females of L. mahsena was determined by using their scales. It is found that the longevity of males reached 11 years while that of females reached 10 years. The time of annulus formation for L. mahsena was found to be during February.