Riley confronts a big fear
What is a food chain?
How much oxygen do sea plants produce?
Where did all the kelp go?
What made this crazy thing?
What is a kelp forest?
Which sea animal wears armour to survive?
Learn to draw - Crayfish
Why call it a carpet shark?
Should all scientists wear glasses?
Meet the tastiest creature in the ocean
Which camouflage skill would you like?