# Mangrove waters turn pink in Guadeloupe and Martinique

> Mangrove waters in Guadeloupe and Martinique sometimes take on a pink color due to a proliferation of purple sulfur bacteria. The phenomenon, harmless to humans, has just occurred at Port-Louis marsh.

**In brief**: Environment event (severity: info) in 2 departments (Guadeloupe, Martinique), first detected on 3 November 2026 at 10:59. Reported by 1 source (1 article), last updated on 3 November 2026 at 10:59.

- Category: Environment
- Severity: Info
- Place: Marais de Port-Louis — Guadeloupe, Martinique
- First detected: 3 November 2026 at 10:59
- Updated: 3 November 2026 at 10:59
- Web page: https://acturadar.com/en/events/8028-mangrove-waters-turn-pink-in-guadeloupe-and-martinique

## Sources (1 articles)

- [« Je ne sais pas si c’est bon signe » : en Guadeloupe et Martinique, pourquoi l’eau de la mangrove devient-elle rose ?](https://www.ouest-france.fr/region-guadeloupe/je-ne-sais-pas-si-cest-bon-signe-en-guadeloupe-et-martinique-pourquoi-leau-de-la-mangrove-devient-elle-rose-dcf5a76e-d544-11f1-bce4-49c6ba196371?utm_source=fluxpublicactu&utm_medium=fluxrss&utm_campaign=banquedecontenu) — Ouest-France, 3 November 2026 at 10:59

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Cite as: Acturadar, “Mangrove waters turn pink in Guadeloupe and Martinique”, https://acturadar.com/en/events/8028-mangrove-waters-turn-pink-in-guadeloupe-and-martinique
Methodology: https://acturadar.com/en/methodology