Science, Discovery, Tech and Environment · 3 December 2025

Scientists unveil Lycodon irwini, new wolf snake species on Great Nicobar Island

Exam-focused facts from the 3 December 2025 current affairs briefing.

Key facts

  • Scientists have unveiled Lycodon irwini, a new species of wolf snake discovered in Great Nicobar Island's dense forests.
  • The species is named in honor of Steve Irwin.
  • Lycodon irwini has an exceptionally slender body, dark-sheened serpent reaching around 1.2 metres in length.
  • It features a slim, elongated body, narrowing tail, smooth upper body with bluish black sheen, and underside ranging from black to brownish black.
  • The species is extremely rare with only four confirmed records, primarily from moist evergreen forest.
  • Lycodon irwini is restricted entirely to Great Nicobar Island.
  • Researchers recommend classifying the species as Endangered under IUCN guidelines due to its limited range and threats from habitat disturbance.