Board Thread:Questions and Answers/@comment-25235219-20151027001416/@comment-26720287-20151027010151

Mosasaurs and Plesiosaurs do breed. I had two mosasaurs and two plesiosaurs who bred several times. My sarcos aren't adult and there's only one Lio so I don't know about the rest. It will increase your chances of breeding if you add more adults to the aquarium/cage.