Science, Discovery, Tech and Environment · 12 January 2026

Indian Scientists Discover Two New Slender-Armed Frog Species in Arunachal Pradesh

Exam-focused facts from the 12 January 2026 current affairs briefing.

Key facts

  • Indian scientists discovered two new slender-armed frogs from their secretive habitats in Arunachal Pradesh.
  • Delhi University (DU) frog hunter S D Biju and his PhD student Akalabya spotted the new species north of the Brahmaputra river.
  • Soman’s Slender Arm Frog Leptobrachium somani was discovered at Tiwari Gaon and named after late E Somanath, a noted journalist from Kerala.
  • The Mechuka Slender Arm Frog Leptobrachium mechuka is named after Mechuka, a small Arunachal Pradesh town close to the China border.
  • The Brahmaputra river acted as the biogeographical barrier for these frogs, aiding species diversification.
  • The slender-armed frogs Leptobrachium belong to the family Megophryidae, which is one of the most diverse frog families globally with 366 recognised species.
  • The study was published in the US based scientific journal Peer J.