Drop in oxygen level kills hundreds of fish in Guwahati pond

The dead fish, numbering hundreds, were retrieved since morning and buried at a nearby spot

A depletion of dissolved oxygen level in a pond in Guwahati, has claimed the lives of hundreds of fish as stated Assam Fisheries Minister Parimal Suklabaidya on Sunday.


Around 400 fish species weighing around 600 kg were found dead in the Dighalipukhuri tank in Guwahati since Saturday night. It is due to ecological degradation, the minister has directed Fisheries Department officials to visit the site and ascertain the exact cause of the mass death.


After examination of the collected samples of the dead fish and the water body, found that dissolved oxygen depletion in the tank had led to the cause. There are also some other factors like high organic load in the water body that cause the incident.


As a short term measure, increased the oxygen level in water by sprinkling water through pump and creating wave action through mechanised boats. The dead fish, numbering hundreds, were retrieved since morning and buried at a nearby spot.


Dighalipukhuri pond is over 100 years old which is more than 500 metres long. It was originally connected to the Brahmaputra River, which flows along the length of Guwahati, and had served as a naval yard during the Ahom rule. The canal was later filled up during British rule. Now it has boating facilities and serves as a popular tourist spot in Assam's main city of Guwahati

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