11) How many species of saltwater fish are currently living in the ocean?
12) What type of environment do saltwater fish usually live in?
13) What is the lifespan of a Greenland shark?
14) What is the primary way saltwater fish communicate?
15) What is the largest business for saltwater fish?
16) What percentage of the Earth's surface is covered by the ocean?
17) What are the four divisions of the ocean?
18) What is the most poisonous fish in the world?
19) What is the name of the baby seahorse?
20) What type of animals are Jellyfish and Starfish?