Question: what are the animals live in sea?
Answer: Invertebrates.
Sharks. ... 
Seabirds. ... 
Turtles. Sea turtle under water. ... 
Mammals. Humpback Whale underwater girl diving in tropical water. ... 
Fish. Pink anemone fish among a blue anemone patch in the warm, tropical waters of Guam, USA. ... 
Shellfish. A lobster out looking for food. ...