Sudha Nambudiri

KOCHI: As an indication of changing species in the Indian Ocean, Steno Bredanensis, a dolphin species not found in deep warm and tropical waters, has been identified for the first time after 100 years, in the Indian Exclusive Economic Zone (EEZ).

Studies during 1997-2010 have identified six species of whales, nine species of dolphins and a species of porpoises and sea cow fro