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Think talking fish and it's hard not to picture the hit movie Finding Nemo but remarkable new scientific research has revealed that some fish do actually talk to each other.
Divers have for a long time thought it was crayfish making sounds under the water, but according to research they are, for the most part, mute.
Auckland University PHD student Shahriman Ghazali has been eavesdropping on fish with an underwater microphone. And he says fishermen in his homeland of Malaysia have listened to fish for centuries.
Ghazali's research is exciting the experts.
"I actually worked on the same species myself 30 years ago for my Masters - it's the little, big eye - a little reef fish. I never knew they made any sound at all," said Niwa scientist Alison MacDiarmid.
The purpose of the research is to help prevent noise pollution from disrupting people's daily life.
"If we mask the sound that they (fish) make during their communication, we might stop a critical process from happening," said MacDiarmid.
