The ones with pups that grow inside the mother have fewer babies at a time than sharks that lay eggs outside the body. Each shark egg contains an embryo (baby shark) and a yolk sac (baby's first meal), much like a chicken's egg. Megalodon Sharks, named for its massive 7 in (17.78 cm) teeth, are the biggest known shark to ever swim in our oceans. They are often 12 feet long, 14 feet long. Some sharks have been known to eat items including coal, oil, trash, and clothing that finds its way into the water. They look like freakin big sharks (they are the second biggest predatory sharks after the great whites…The two other very big sharks, Whale and Basking Sharks are plankton feeders). A carnivorous shark diet usually includes fish, mollusks, and crustaceans. Sharks classification split into two groups according to their diet: CARNIVOROUS SHARKS. Before discussing shark evolution, though, it's important to define what we mean by "shark." White shark, any member of the largest species of the mackerel sharks (Lamnidae) and one of the most powerful and dangerous predatory sharks in the world. The proportions may be a slight bit different though. Sharks can have from 1 to 100 babies at a time, depending on the type of shark. Although Megalodon Sharks have been extinct for around 2.6 million years, scientists have been able to piece together some important information about the biology, habitats, and behaviors from the fossil records of these impressive predators. Despite being much maligned and publicly feared, surprisingly little is understood of the white shark’s life and behavior. Baby sharks look somewhat like a smaller version of their parent, or a adult shark of the same kind. Sharks aren’t picky with their food sources. Sharks do not care for their babies after they are born, but they do search for a safe place where they can lay their eggs or give birth. Fun shark facts for kids including photos and printable activity worksheets; suitable for Kindergarten through Grade 6. Technically, sharks are a suborder of fish whose skeletons are made out of cartilage rather than bone; sharks are also distinguished by their streamlined, hydrodynamic shapes, sharp teeth, and sandpaper-like skin.