MATURATlON, SPAWNING AND FECUNDITY OF TWO SPARID FISH DIPLODUS SARGUS,L. AND DIPLODUS VULGARIS,GEOFF. IN THE EGYPTIAN MEDITERRANEAN WATERS.

MATURATlON, SPAWNING AND FECUNDITY OF

TWO SPARID FISH DIPLODUS SARGUS,L. AND

DIPLODUS VULGARIS,GEOFF. IN THE

EGYPTIAN MEDITERRANEAN

WATERS.

A.M. EL-MAGHRABY”‘; M.T. HASHEM”””; G.A. BOTROS'” and
E.A. WASSEF”””·
* Department of Oceanography. Faculty of Science. Alexandria University.
** Institute of Oceanography and Fisheries. Alexandria.
ABSTRACT
The spawning seasons of both D1plodus sargus and D1plodus
vulgaris are appointed. The probability of fractional
or prolonged spawning habit is discussed. Size and age
at first sexual maturity were studied. Absolute and relative
fecundities were estimated according to fish length. weight
and age.