Expert feature: Jellyfish in NZ waters

The hot weather has brought swarms of jellyfish to many beaches. We wondered what sort of jellyfish populate our waters, why they sometimes all descend on our beaches and which ones we should be worried about.

Dennis Gordon of NIWA is an expert on these unusual creatures which date back hundreds of millions of years.

Expert feature: Jellyfish in NZ waters
0:00 / 29:05