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CMFRI documents 161 marine mammal strandings across Indian coastline

A comprehensive study by the Central Marine Fisheries Research Institute has catalogued over 160 incidents of marine mammals washing ashore along India's coasts. The research highlights growing concerns about the health of ocean-dwelling species in Indian waters.

LSN India · 5 November 2026

CMFRI documents 161 marine mammal strandings across Indian coastline

The Central Marine Fisheries Research Institute (CMFRI) has completed a detailed mapping exercise documenting 161 instances of marine mammal strandings along the Indian coast, providing researchers with critical data on the vulnerability of oceanic fauna in regional waters. The study represents one of the most extensive records of such incidents compiled by the institute and offers valuable insights into the patterns and causes of marine mammal beaching events across the country's lengthy shoreline.

Strandings of marine mammals—including dolphins, whales, and sea mammals—occur when animals wash ashore, either alive or deceased. Such incidents can result from various factors including disease, injury, disorientation, or environmental changes. The CMFRI's systematic documentation effort enables scientists to identify hotspots where strandings occur most frequently and to understand seasonal and geographic variations in these events.

The research findings are expected to inform conservation strategies and guide policymakers in developing protective measures for marine mammal populations. Understanding stranding patterns also helps researchers monitor the overall health of marine ecosystems, as strandings can serve as indicators of broader environmental challenges affecting ocean life.

The CMFRI, a premier research institution under the Indian Council of Agricultural Research, has been instrumental in advancing marine science and fisheries research across South and Southeast Asia. This mapping initiative adds to the growing body of evidence documenting the complex relationship between India's marine biodiversity and coastal environmental conditions.