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  • Scientist using a hydrophone to measure sounds of kina in a tank
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 10 May 2011 Size: 170 KB Referencing Hub media

    Hydrophones are used to detect sound under water. Dr Radford is using a hydrophone to measure the sounds generated by kina feeding in a tank. The small hydrophone is hanging from a cord in Craig’s left hand.

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