Science, Discovery, Tech and Environment · 8 April 2026

Zoological Survey of India (ZSI) discovers two new marine nematode species off Tamil Nadu coast.

Exam-focused facts from the 8 April 2026 current affairs briefing.

Key facts

  • Zoological Survey of India (ZSI) researchers identified two new free-living marine nematode species along the Tamil Nadu coast.
  • The findings were published on March 25, 2026, in the international taxonomy journal Zootaxa.
  • Corononema dhriti becomes only the fourth known species of its genus worldwide and is named after ZSI's first woman director Dhriti Banerjee.
  • Epacanthion indica possesses specialised mandibles and tooth-like structures, making it a microscopic predator within the benthic food chain.
  • Marine nematodes recycle nutrients by breaking down organic matter, maintain sediment health and act as bio-indicators of environmental change.