How fast can a megladon swim?

What are the disadvantages of eating shark fin's? Where does a eel live? How do black moors reproduce? Do great white sharks die by oil spills? What is a type of animal a shark eats? Is whiting a scavenger? How can a person with typhoid fever pass it to another person? Can betta fish transmit diseases to other fish in the same bowl? Does the shark need the sucker fish to keep clean? What makes its own food a fish or dragonfly or a plnt? Can there be rust around the hot water tank? What happens if a shark great white swim upside down? Does fish swim with bladder helps it sink or float? What are whale sharks? Are fishes all the same in characteristics? How long does it take clorine to evalporate from water? Is drying fish chemical change? Where is the setting of the film muro ami? How long does one block of salt last for cattle? How do you know when the female guppy is done birthing?