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13th July 2024 (10 Topics)

New species of Dogfish Shark (Squalus hima)

Context

In a significant discovery, scientists from the Zoological Survey of India (ZSI) have identified a new species of dogfish shark, named Squalus hima, off the coast of Kerala.

Characteristics of Squalus hima

  • Squalus hima belongs to the genus Squalus, commonly known as spurdog
  • These dogfish sharks are characterized by smooth dorsal fin spines, angular short snouts, small mouths almost as wide as their snouts, and bodies without spots.
  • They are exploited for their liver oil, which contains high levels of squalene, a highly sought-after ingredient in the pharmaceutical industry for making high-end cosmetic and anti-cancerous products.

Fact Box:

About Dogfish Sharks

  • Dogfish sharks are small with slender bodies and pointed snouts.
  • They are bottom-dwelling sharks that can be found near coasts around the world and are known to migrate long distances.
  •  With over 130 different species, they form the second-largest order of sharks, Squaliformes.

Zoological Survey of India (ZSI)

  • Established in: 1916
  • Objective: to promote survey, exploration, and research leading to advancements in our knowledge of various aspects of India's rich biodiversity.
  • The survey has its roots in the establishment of the Zoological Section of the Indian Museum at Calcutta in 1875.
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