Newly Discovered Species of Dogfish Shark from Southwest Coast of India

Scientific Details:

This newly discovered species of dogfish shark belongs to the genus Squalus, which is commonly known as spurdogs. It was identified off the southwest coast of India and has several unique characteristics that set it apart from other species.

Key Characteristics:

• Dorsal Fin Spines: The species has smooth dorsal fin spines.
• Snout and Mouth: It has an angular short snout and a small mouth.
• Dorsal Fin Position: The first dorsal fin origin is positioned behind the pectoral fins.
• Body Features: The body of the shark lacks spots.

Utilization:

The species is exploited for its liver oil, which is rich in squalene. This oil is used in various industries, including pharmaceuticals, cosmetics, and anti-cancer products.

Distinguishing Features:

• Precaudal vertebrae count
• Total vertebrae count
• Teeth count
• Trunk and head heights
• Fin structure and color

This shark species adds to the growing biodiversity of marine life around the southwest coast of India and holds significant ecological and economic value.