Both oviparity and viviparity are found in Euselachii.
Around 70% of sharks are viviparous, including some members of Carcharhiniformes such as requiem sharks and hammerhead sharks, while the remaining 30% of sharks as well as all rays are either oviparous or ovoviviparous.
Both oviparity and viviparity are found in Euselachii. Around 70% of sharks are viviparous, including some members of Carcharhiniformes such as requiem sharks and hammerhead sharks, while the remaining 30% of sharks as well as all rays are either oviparous or ovoviviparous.
Euselachii