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Kerala: Floods affected fish population in Aralam rivers, finds study by C.P.Sajit February 23,2021   |  Source: The Hindu

A survey on the freshwater fishes in the rivers flowing through the Aralam Wildlife Sanctuary has found that the floods in the previous years had a drastic impact on a few species of fish, which were found in abundance here earlier. The two-day survey was conducted as part of the wildlife survey, organised jointly by the Aralam Wildlife Sanctuary and Malabar Nature History Society and carried out by students, environmentalists, and led by Jaffer Palot, scientist, Zoological Survey of India, and C.P. Shaji, fish biologist. The study, which focussed on the Urutty and Cheenkani rivers flowing through the sanctuary, found that there had been a drastic reduction of fishes including loaches, Malabar Spiny eel and Travancore Batasio in the rivers, Mr. Shaji told The Hindu. He said the first survey in the sanctuary was conducted in 1995 and later in 2019. While both the surveys had found that the rivers were teeming with loaches, this time they could find only two or three fish of the species, indicating a drastic reduction in their population.

It was concluded that the such a drastic fall in the population had occurred due to the floods, which changed the river beds. However, compared with the previous surveys, three more varieties of fish were found in the river, which took the

 

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Years in Support of Small Scale Fishworkers (1986 - 2018)