
The Future of Coral Reef Protection
We listen to the sound of coral reefs, and use AI to analyse their health
VISION
We're making it cheaper and easier to protect coral reefs
ReefSound makes monitoring coral reef health 60% cheaper and 5 times more efficient.
Our 3 products are: an industry-leading AI software, a remotely-controlled underwater vehicle, and a cost-effective hydrophone device called ReefBox.


The Problem
Coral reefs act as strongholds of coastline protection and guardians of biodiversity; however, they face significant threats such as ocean warming, human-caused marine pollution, and invasive species.
Current coral reef health monitoring methods—manual diver surveys and satellite-based image analysis—are costly, dangerous and ineffective in deep waters.
ReefSound AI
At the crux of ReefSound is an AI which assesses coral health via sound recordings. Our AI model ensemble achieves 96-99% accuracy, surpassing the industry leading 92% at the University of Exeter.
Our training dataset is sourced from Sesoko Island, Japan, containing hours of healthy and degraded coral reef recordings for our AI to train on.
Listen to what healthy and degraded coral reefs sound like:
Our machine learning model can recognise whether a coral reef is at risk in a matter of seconds just from the sounds produced by the reef.
Autonomous Underwater Vehicle
We've designed and prototyped an underwater vehicle that blows your mind away. It can be remotely controlled, drive autonomously in open sea, and runs a powerful object detection AI model that highlights coral reefs. The vehicle can be driven around to collect coral sound recordings, and uses our proprietary ReefSound AI to analyse their health.
ReefBox
For a cheaper alternative at just $80, we offer the ReefSound box; a device with a powerful computer and microphone which can be placed near coral reefs. It can collect sound recordings and analyse coral health using our ReefSound AI.
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ReefBox is cost-effective but still maintains a near-perfect accuracy. It's particularly helpful for developing nations with limited funding towards protecting coral reefs.

Our Customer Segments
Our primary customers are research institutes, governments and environmental agencies. Our coral monitoring can aid conservation projects by research institutes (e.g. National Coral Reef Institute); further, we can provide data to inform governmental agencies' policy-making for marine conservation (e.g. NOAA).