>>212705782
>>212705797
>>212705818
>>212705840
>>212705683
>>212705757
>>212705647
>>212705612
>>212705526
the fatimid empire at that time of the battle (zirid was a small emirate part of that empire), ruling from morocco to iraq (including sicily), was struggling to get 10,000 soldiers

>numbers of soldiers : in accounts of individual battles, even crucial ones, the figures mentioned are usually around the 10,000 mark.[4]
>source : Beshir, B. (1978). "Fatimid Military Organization". Der Islam. 55 (1): 37–56.
https://en.wikipedia.org/wiki/Fatimid_army#Numbers

This small skirmish in sicily probably had 500 soldiers at best.

The Fatimid had 1000 soldiers (incl. 400 cavalrymen) defending Jerusalem from the crusaders in 1099 https://fr.wikipedia.org/wiki/Si%C3%A8ge_de_J%C3%A9rusalem_(1099)