The video explains the different water habitats of fish, highlighting that most fish can only live in either freshwater or saltwater. However, some fish, like salmon, can adapt to both environments during different life stages. Salmon are born in freshwater, live in saltwater, and return to freshwater to lay eggs.

How do clownfish and sea bass differ in their water habitat?

Can some fish live in both fresh and salt water? Explain.

What types of water can salmon live in throughout its life?

What happens to salmon when it ages?

In what type of water are salmon hatchlings born?