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.
Ikan skate, anggota keluarga ikan pari, mengerami telur - telur itu, sedangkan telur ikan pari lain menetas di dalam tubuh sang induk dan dilahirkan hidup - hidup ​ — miniatur orang - tua mereka.