Over 500 million yrs ago there was the first fish evolved the jawless fish these are meant to be extinct but a few raimain!!!!

Over 500 million yrs ago there was the first fish evolved the jawless fish these are meant to be extinct but a few raimain!!!!

there are a few types of seas like these; Pacific, indian, atlantic, southern, Artic Ocean, so there you go theres some Oceans :]

And there are more water than land?

that is the sea otter!

do you want to see the biggest underwater creatures in the world Ok here you go, so these are3 big ones like, blue whale 108.3 FT, Sperm whale 78.7 FT and whale shark 61.7 FT

And these are some well known ocean creatures like these, shark, whale, otter, Dolphin, Squid, Sea lion, urchin. :]