Monitoring whales and dolphins through their sounds to be a significant step forward in India’s marine mammal research Agro Spectrum dated 7th November 2025

CMFRI, Library (2025) Monitoring whales and dolphins through their sounds to be a significant step forward in India’s marine mammal research Agro Spectrum dated 7th November 2025. Agro Spectrum.

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Abstract

A special session on marine mammal research held on the sidelines of the fourth International Symposium on Marine Ecosystem ‘MECOS4’ at ICAR-Central Marine Fisheries Research Institute discussed the growing use of Passive Acoustic Monitoring (PAM), a sound-based technology to track marine mammals effectively. Tracking marine mammals, including whales and dolphins, and capturing their sounds even from several kilometres away could be the next major development in India’s marine mammal research. Experts say that sound travels much faster and farther underwater than light, making acoustic monitoring an ideal tool to detect and study marine life even in challenging oceanic conditions. Unlike visual surveys that depend on clear weather and daylight, PAM offers round-the-clock monitoring across vast ocean stretches.

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