Found heaps of this growing wild in most of our rivers. Interesting hey how it has little traps under water. Must be small water bugs they trap.
Breeindy, you'll find that's Aldrovanda vesiculosa, not a Utricularia. It's the most widespread carnivorous plant on the planet, but is being wiped out by pollution from nearby human activity. There's a red form which very popular with CP enthusiasts.
I'd guess Utricularia Australis without seeing its flowers.