Pillaia indica Yazdani,an endangered hill stream spineless eelhas been detected for the first time in a streamof
upper Assam after its first discovery in Meghalaya in the year 1972.Information on the eco-biology, population
structure, distribution pattern, and threats to this endangered fish is least known. In this paper, attempt has been
made to provide some data on certain morphometric characters, habitat ecology and feeding behavior. A brief
discussion on the potential threats and steps taken for its conservation is also included.
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