# Tracking water in real time could help scientists catch harmful algal blooms before they spread

Source: [Earth.com](https://www.earth.com/environment/tracking-water-in-real-time-could-help-scientists-catch-harmful-algal-blooms-before-they-spread/) · 2026-11-09 · Earth & Climate
Page: https://themorning.science/story/tracking-water-in-real-time-could-help-scientists-catch-harmful-algal-blooms-bef-4385888b71d3d9bf
Kind: research · Impact: low

## In brief

- Researchers read DNA in water from a lagoon on Florida's east coast and found 11 kinds of algae.
- The algae behind red tides were present in the water before the visible bloom and fish deaths.
- The article suggests real-time water tracking could help scientists catch harmful algal blooms before they spread.

## Why it matters

Early detection of harmful algal blooms could give warning before a red tide spreads and kills fish, though the source describes this as a possibility rather than a demonstrated system.

## Coverage

- [Tracking water in real time could help scientists catch harmful algal blooms before they spread](https://www.earth.com/environment/tracking-water-in-real-time-could-help-scientists-catch-harmful-algal-blooms-before-they-spread/) — Earth.com, 2026-11-09

Tags: harmful algal blooms, red tide, water monitoring, environmental dna, florida lagoons

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science