Sudden plankton bloom in Sri Racha leads to mass fish mortality

A beach in Sri Racha was transformed into a macabre spectacle as a vast number of dead fish washed ashore on Friday, September 8. The sight at Bang Phra Beach was both surprising and concerning, with the sheer volume of dead fish proving too substantial for an accurate estimate.

Locals, familiar with the ebb and flow of the seaside life, spoke to Thai media, putting forth their belief that the cause of this mass marine mortality was the recent monsoon that had lashed across Thailand. While Pattaya remained unaffected, the relentless days of rainfall altered the composition of the sea dramatically. The torrent of fresh water pouring into the sea led to a swift change in the sea’s conditions.

This sudden influx of freshwater triggered a natural occurrence known as a plankton bloom. Characterised by a distinct green hue in the seawater and often accompanied by an…