Riley finds where the baby fish live
What is an apex predator?
Which fish's poo makes sand?
What is orca chocolate?
What's so special about turtle shells?
What has 10 legs and super feelers?
Where did all the kelp go?
Is this a sea hedgehog?
Riley's amazing orca discovery
How gross are crayfish?
How do spiny rock lobsters grow?
If a ray stops swimming will it ...
Dolphins special sleep trick
Seabirds and whales!
Have you ever met a stingray?
Riley searches for sharks
What is this creature?
An apex predator is ...
What do pipis and cockles do?
How do stingrays swim?
Growing up is tough in a spiky shell
Which ray is the best swimmer?
Riley finds some massive clams!
Meet the tastiest creature in the ocean