Leigh TorresLatin name: Balaenoptera musculus brevicaudaUntil recently blue whales in New Zealand were considered migrants, but research by Dr. Leigh Torres has now confirmed that a genetically distinct population of blue whales is present year-round in New Zealand waters. Pygmy blue whales. Pygmy sperm whales’ use of the "squid tactic" makes them unique among other types of whales. Each pygmy sperm whale has a sac filled with dark liquid in its intestine. Very little is known about pygmy blue whales given their low numbers and that they spend much of their life below the surface of the water, coming up only for short periods to breathe.

Eleven pygmy blue whales (Balaenoptera musculus brevicauda – a subspecies of blue whale) were tagged in April 2009 and March 2011 within the Perth Canyon off the coast of Western Australia. The tags transmitted to the Argos satellite system from between eight and 308 days. Pygmy Blue Whale, Balaenoptera musculus brevicauda. A subspecies of blue whale, Balaenoptera musculus from the Indian Ocean and South Pacific. It was the first time killer whales had been filmed attacking a pygmy blue whale off the south coast of Western Australia, the second attack in two weeks and only the third known attack in the world. Two blue whale subspecies are recognised in the Southern Hemisphere – the Antarctic or true blue whale (B. m. intermedia) and the pygmy blue whale (B. m. brevicauda).The pygmy subspecies was only described in the early 1960s once Antarctic blue whale stocks had crashed.
The whale can release more than 3 gallons of dark, reddish-brown liquid, or “ink,” from this sac. Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. Pygmy blue whale (Balaenoptera musculus brevicauda) diving with pelagic fish (likely yellowfin tuna or similar open ocean predatory species) visible in the background, Sri Lanka, Indian Ocean. The vast majority of blue whale catches in the Southern Hemisphere and northern Indian Ocean were …

Introduction. Researchers are studying this elusive subspecies of the blue whale as part of the North West Shoals to Shore research program. Additionally, their main feeding ground overlaps with the country’s most industrial marine region where