Ingerana aizawl

• Ingerana aizawl: A new frog species formalised from Mizoram.
• Locality: Hratdawng Stream on the Mizoram University campus, approximately 15 km west of Aizawl City.
• State: Mizoram.
• Taxonomy: Genus Ingerana; Family Dicroglossidae.
• Earlier identification: Identified for years as Ingerana borealis; both morphological and genetic evidence established that it is a distinct species.

Physical Features:

• Small and stout-bodied.
• Adult males: 22–25.5 mm snout-to-vent length.
• Adult females: 24.4–26 mm.
• Distinct circular tympanum.
• Prominent supratympanic fold.
• Small, rounded discs at the ends of the fingers and toes.
• Notably wrinkled dorsal surface.

Habitat:

• Prefers water and forest habitats, especially small forest streams.

Scientific Description:

• Formally described in 2026 in the journal Zootaxa.
• Type locality: Hratdawng Stream at Mizoram University campus, Aizawl, Mizoram.

UPSC Prelims Question

Q. Ingerana aizawl, which was recently in news, is related to:

(a) A new species of freshwater fish

(b) A new species of frog

(c) A new species of lizard

(d) A new species of freshwater turtle

Answer: (b) A new species of frog

Note: Ingerana aizawl is a novelty frog species confirmed from Hratdawng Stream at Mizoram University in Aizawl, Mizoram.