Underwater ‘doorbell’ helps scientists catch coral... The Guardian

Underwater ‘doorbell’ helps scientists catch coral-eating fish in Florida

Source: The Guardian | Published: March 16, 2025, 1:00 p.m.

Researchers use innovative cameras to identify fish species hindering coral reef restoration

Marine scientists in Florida working to help reverse a calamitous decades-long decline in coral reefs caught fishy “porch pirates” in the act with an innovative underwater doorbell-style surveillance camera.

The footage showed that three corallivorous species – redband parrotfish, foureye butterflyfish and stoplight parrotfish – were responsible for eating more than 97% of coral laid as bait by the researchers at an offshore reef near Miami.

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