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Rugulopteryx okamurae

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Aerial view of La Puntilla beach in San Cristóbal with accumulations of brown seaweed and workers removing it

San Cristóbal Doubles Collection of Invasive Seaweed: 458 Tonnes in 2026

The invasive seaweed Rugulopteryx okamurae has reached 458 tonnes in San Cristóbal, doubling the figure from 2025. Bad odours and fishing impacts worry locals and authorities.