They do get closer. For reproduction. How fish [email protected]
In both Ovoviviparity and Viviparity the male uses a clasper, and perhaps teeth, to hold the female while he fertilises her, and the sperm passes down the clasper to gain entry to the female’s body. These methods of reproduction](reproduction - Everything2.com) have the advantage that the eggs are much less vulnerable to predators](Predator - Everything2.com) when carried within the mother, and the young are born fully advanced and ready to deal with their environment as miniature](Miniature - Everything2.com) adults.