Skates, members of the ray family, lay the fertilized eggs, while other rays ’ eggs are hatched within the female and the young are born alive — miniatures of their parents.
اما بيوضها ،‏ فبخلاف بيوض معظم الاسماك الاخرى ،‏ تُخصَب داخل جسم الانثى .‏