Uploaded April 2016 | Updated September 2026, 2 weeks ago

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Please turn on the sound! What do we hear? Whales? We need MARINE BIOLOGISTS' help! This was recorded during our latest trip in Raja Ampat onboard shakti raja ampat liveaboard, playing with our new toy, the HYDROPHONE.
Can someone tell us what it is? Please feel free to share with your colleagues!