Blue Shark (Prionace glauca)

Elegant and unhurried, the blue shark drifts through the open ocean like a ribbon of cobalt light. Its slender body moves with quiet rhythm, following unseen currents across vast distances — a wanderer of the temperate seas.

Scientific Snapshot

A blue shark gliding through open ocean water, its long fins and vivid cobalt hues shimmering in soft sunlight.

Scientific Name: Prionace glauca

Common Names: Blue shark

Average Size: Typically 2 to 3 meters (6.5–10 feet)

Habitat: Pelagic — found in the open ocean, often near the surface in temperate and tropical waters

Diet: Squid, small fish, and occasionally crustaceans

Conservation Status: Near Threatened (IUCN Red List)

Range: Widespread in temperate and tropical oceans worldwide

From the Field

The story…