BLUE WHALE

NEWS: India accounts for approximately one in seven of the world’s 470 recorded blue whale strandings, with three-quarters of India’s strandings occurring along its west coast.

ABOUT BLUE WHALE

  • Scientific Name: Balaenoptera musculus.
  • Classification: Order Cetacea → Rorqual (family Balaenopteridae).
  • Distribution: Found in all oceans, alone or in small groups; Southern Hemisphere populations are much larger.
  • Indian Waters: Arabian Sea + Bay of Bengal + waters around Lakshadweep Islands.

KEY CHARACTERISTICS

  • Largest Animal: Most massive animal known to have ever lived.
  • Size: Approximately 150 tonnes; length can exceed 30 metres.
  • Type: Baleen whale → Filter-feeds using baleen plates.
  • Colour: Blue-grey with lighter grey mottling and large spots.
  • Diet: Krill (shrimplike crustaceans).
  • Migration/Feeding: Feeds in polar waters during summer.

CONSERVATION STATUS

  • IUCN Red List: Endangered (EN).
  • Wildlife (Protection) Act, 1972: Schedule I.