Why coral reefs damaged by blast fishing struggle to recover — even after decades

When we think about rapid decline in coral reefs, climate change often first that comes to mind — bringing heatwaves, bleaching events, and intensified cyclones.

But in parts of Indonesia, an old, lasting wound still lingers beneath the waves — inflicted not just by warming seas, but also by explosives.

Blast fishing — where fishers hurl homemade bombs made from fertiliser and kerosene into the sea — is still being used.

This illegal fishing method kills fish instantly for easy collection.…

© La Conversation - vendredi 3 octobre 2025