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Garra zubzaensis and Psilorhynchus kosygini

Context:

Researchers have recently discovered two new fish species namely Garra zubzaensis and Psilorhynchus kosygini, of torrent minnows in the pristine rivers of Nagaland.

Relevance:

Facts for Prelims

About New Fish Species:

The new fish species described here are torrent minnows, belonging to the genus Psilorhynchus under the family Psilorhynchidae. Torrent minnows are freshwater species usually found in fast-flowing streams with strong currents such as rivers and mountain streams.

Garra zubzaensis:
  • Location: Discovered in the Zubza River, a tributary of the Brahmaputra River in Kohima district.
  • Habitat: The river’s gravel, cobbles, and sandy substrate offer a perfect environment for these benthic species.
  • Adaptations: Garra zubzaensis is well-suited for living in fast-flowing rocky streams. They use their gular discs (sucker-like structures) to cling to surfaces and feed.
Psilorhynchus kosygini:
  • Location: Found in the Tepuiki River, a tributary of the Barak River in Nagaland’s Peren district.
  • Genus Origin: Psilorhynchus kosygini belongs to a genus primarily found in South Asia and Southeast Asia.
  • Habitat: This species thrives in the shaded, fast-flowing waters of the Tepuiki River, favoring its gravelly and rocky substrate.

-Source: The Hindu


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