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17 August 2026

Mass fish deaths in Ennore river

The incident serves as a pertinent case study for environmental pollution and industrial degradation, which are core themes in GS3, though it lacks the national policy or legislative significance to warrant a higher score.

1 min read 1 questions 1 prelims

Notes

  • Mass fish deaths reported in the Kosasthalaiyar river near the Ennore estuary, Tamil Nadu.
  • Affected aquatic life includes multiple fish species (madavai, oodan, karuva, kelathi), prawns, and crabs.
  • Dead aquatic life observed floating in the river, along banks, and near mangroves.
  • Local fisherfolk attribute the event to the discharge of chemical waste into the river system.
  • The incident has raised significant concerns regarding the impact on the livelihoods of fisherfolk across eight villages.

Questions

  1. The recurring incidents of mass aquatic mortality in industrial river estuaries highlight critical gaps in environmental regulation. Discuss the challenges in monitoring industrial effluent discharge and the socio-economic impact on coastal communities. 150 words
    Attempt this — 150 words in 8 min
    0 / 150 words 8:00

Prelims

  1. The Kosasthalaiyar river, recently in the news for mass fish deaths, is located in which state?

Syllabus

Topics

Sources

250words.in · https://250words.in/daily/2026-08-17/mass-fish-deaths-in-ennore-river