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New Catfish Species Glyptothorax Senapatiensis discovered in Manipur

May 19, 2015 16:35 IST

The Scientists from the Zoological Survey of India (ZSI) discovered a new species of catfish named Glyptothorax senapatiensis in the Chindwin river drainage in Senapati district of Manipur. The discovery was published in the Ichthyological Exploration of Freshwaters journal in March 2015.

The discovery was published in the research paper titled Glyptothorax senapatiensis, a new species of catfish from Manipur, India. The lead authors of the research paper are Kosygin, Nongthombam Premananda and Bano Saidullah.

The people of the Chindwin river drainage region used to have this 6 cm long freshwater fish as food. They called this fish as Ngapang.

About Glyptothorax senapatiensis

• It is edible fish with high nutritional value and has high oil content.
• It has thoracic adhesive apparatus with U-shaped median depression opening caudally that helps the fish to cling on rocky riverbed in mountains against strong currents.
• It is distinguished from its congeners by a combination of characters: deep body, deep caudal peduncle, narrow head, short dorsalfin spine and short pectoral-fin.
• It has nasal barbell extending to middle of orbit; skin on head and body densely tuberculate.

Background
The catfish genus Glyptothorax is the most widely distributed genus of the family, extending from Turkey to Southern China and Java. The genus is very diverse in the Indian sub-continent. The Northeast has a rich aquatic biodiversity, with 361 of the 816 fish species found in India.

Moreover, Manipur has a high diversity of aquatic fauna because of the two important river drainage systems- the Barak-Brahmaputra drainage and the eastern and central valleys are crisscrossed by the Chindwin river drainage, and these account for the variety in the aquatic fauna.

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