WebMar 5, 2008 · There are sharks that lay eggs, and they don't stay and defend them either. Basically, the babies are on their own and head for shallow water and protection of plants, reefs, or mangrove roots...
Seahorse Fathers Take Reins in Childbirth - Pages
WebJun 14, 2002 · The male seahorse has a pouch on its stomach in which to carry babies—as many as 2,000 at a time. A pregnancy lasts from 10 to 25 days, depending on the species. The reproductive process begins... WebNov 6, 2024 · Answer: Yes, some shark species can hybridize, which means two distinct species of sharks can breed and produce offspring that’s a genetic mix of both species! … song of spotted towhee
Why do mother sharks try to eat their babies after they are born?
Some female sharks are so self-sufficient they don't even need a male shark to have babies! Females from at least two different species of sharks that were separated from males have had pups without mating. Genetic testing showed that the baby sharks, also known as pups, only carried the female’s DNA. … See more When females do mate with a male, sometimes it’s more than one. Female sharks have been known to use the sperm from multiple males when they reproduce—meaning that pups in one litter could be half-siblings. See more Some shark species carry their young in their womb, similar to mammals. The spiny dogfish shark can be pregnant for up to 24 months—making it the longest gestation period of any vertebrate. And you thought 9 months seemed … See more Sharks will eliminate all competition--even in the family. The largest embryo in a shark litter sometimes eats its brothers and sisters in the womb! It’s called “intrauterine cannibalism." Researchers studying sand tiger … See more While the number of pups in a litter varies widely depending on the species, some sharks can give birth to huge litters. For example, the blue … See more WebDec 30, 2024 · Yes, plural. Female sand tiger sharks have two uteri! Attenborough says it best: "Inside each female, infant teeth are being put to good use, as the female's two … WebJun 14, 2002 · The male seahorse has a pouch on its stomach in which to carry babies—as many as 2,000 at a time. A pregnancy lasts from 10 to 25 days, depending on the … song of spoons american gods