FECUNDITY OF THE SHRIMP HETAPEKAEUS ~TEBBIKGI JOBILI IX HE EGYPTIAN WATERS.

FECUNDITY OF THE SHRIMP HETAPEKAEUS ~TEBBIKGI JOBILI IX HE
EGYPTIAN WATERS.
By
ABDEL RAZEK, PATKA ALY
• National Institute of Oceanography & Fisheries, Kayet Bay, Alelandr a, Egyp .
Key words: Fecundity, Meta enaeus stebbinqi Nobili Shrimp,
ABSTRACT
The paten lal numbers of mature egg (Yolked o~a
spawned dur mq a reproduc ive season of Het.a enaeus ~ e _r: _ x
grown in Medllerranean and Lake arun waters were de e ~ ~e:
average number of eggs was 29689 and 10827 for a to a,
from 8.8 cm to 13.5 cm. for both Medi erranean a . ~ ..
popula lons respectlvely.
The reIationshi ps between the body length \total Ienc .. ea aja _
length), body weight, or ovary welght of the shrimp and e ur.~ . e
est mat ed . It was found that the number of eggs prod cea st “?’.
corr elat ed wlth the total body weight in bo h habi a s a;- pr..v.ed•
be the bes pledlctol of feC’undlty of M. stebb.q
populatlons. The rela lonshlps lS :
LnF = 23.6445 + 2.72827 LnWt (r2 = 0.923096) for Me
population, and LnF = 2019.3 + 0.78027 LnWt (r2 = 0.9
arun popula lon. This lelation was found significantly d’ a
P ( 0.05 between the two populatlons.
The results also revealed a qleater ooC’yte diameters in he 1
maturlty stages of the studied speCies lived in Lake a
could be attributed to the good food and envilonmental condl
the Lake.