Riley searches for crayfish
Dr Ingrid Visser answers our questions about Orca
Riley finds where the baby fish live
Riley talks to a world record holder!
Peter Burling and Blair Tuke answer our questions
Whale expert Nan Hauser answers our questions
Riley searches for sharks
Riley's cool turtle encounter
Turtle rehabilitation
Shark guru Rodney Fox answers our questions
National Geographic legends
Top tips on saving our oceans
Andy Casagrande answers our questions
Kane Williamson answers our questions
Tricks to hold your breath longer
William Trubridge answers our questions
Clarke Gayford answers our questions
Rochelle Constantine answers our questions
Bethany Hamilton answers our questions