Why do sharks live in saltwater?

Recently, my 5 year-old daughter asked me why most sharks live in salt water. Can you help me give her an answer? Miguel Oakville, Ont. Another terrific question! read more

Miguel Oakville, Ont. Another terrific question! In order to carry out the complex chemical reactions that sustain life, all living things — including sharks and people — have a supply of water and salts in their bodies. read more

Sharks live in the ocean becuase their bodies are only adapted for saltwater. However, the bull shark has been known to be found in fresh water becuase it has a special organ in its body that allows it to flush it's system of saltwater to adapt to the freshwater. read more

Sharks live in salt water because they need the nutrients in there. They can live in fresh water but, they would soon die. they have evolved to be neutrally bouyant in the water and would sink faster in freshwater. read more