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New fish species identified in Manipur’s Challou River

The new fish species, Pethia poiensis , was found by a research team of Manipur University’s life sciences department and a researcher from the Zoological Survey of India in the Challou River in Manipur’s Ukhrul district bordering Myanmar

india Updated: Mar 16, 2018 17:50 IST
Sobhapati Samom
Sobhapati Samom
Imphal, Hindustan Times
New fish species,Pethia poiensis,Zootaxa
Pethia poiensis is known as Ngakha macha in Manipur.

A new freshwater fish species has been identified in the north-eastern state of Manipur, according to a study published in the peer reviewed journal Zootaxa.

Pethia poiensis was found by a research team of Manipur University’s Department of Life Sciences (fishery unit) and a researcher from the Zoological Survey of India in the Challou River in Manipur’s Ukhrul district bordering Myanmar.

“We’ve submitted our paper on the discovery sometimes back but it was accepted as a new species only last month following a thorough examination by international reviewers,” said researcher Bungdon Shangningam, a postdoctoral fellow at the Zoological Survey of India (ZSI) in Kolkata.

As is the case with the identification of any new species, the claim for Pethia poiensis was vetted by an expert panel including that from the International Union for Conservation of Nature (IUCN) and submitted to the London based International Commission on Zoological Nomenclature, which allocates a unique identification to the species.Prof W. Vishwanath, a member of IUCN’s freshwater fish specialist group, guided the researchers.

The species has been named after Poi, a small hilly village in Ukhrul district where the Challou river flows, to acknowledge the help extended by villagers during the fieldwork in the area, Shangningam said.

“This thumb size fish species is locally known as Ngakha macha (Ngapem in anal tribe dialect) in Manipur,” Shangningam said.

Zootaxa’s citiation mentions that the genus Pethia contains over 35 species, all endemic to the Indian subcontinent (north-east) and Myanmar. Of the 14 valid species of Pethia recognised from the Chindwin–Irrawaddy delta, Pethia poiensis is easily distinguished from others because of its different body characteristics and unique colour pattern, the study says.

With this, Shangningam had so far identified 10 new fish species, most from north-eastern India. North-eastern India is home to a large number of species that are locally know,but have not been scientifically recorded.

First Published: Mar 16, 2018 17:00 IST