Species FishBlue Shark

Blue Shark

Prionace glauca

UncommonFish
Illustration of Blue Shark (Prionace glauca)
Safety note: A large open-water shark. Observe from a distance and do not feed it.

One of the most wide-ranging sharks in the world, recognized by its slim body, long pectoral fins, and brilliant indigo back. Blue sharks roam vast distances across the open ocean.

Habitat
Open ocean in temperate and tropical waters worldwide.
Diet
Squid and schooling fish, occasionally seabirds and carrion.
How common
Uncommon

Best time to see a Blue Shark

The best time to see a Blue Shark is July–October, when about 62% of U.S. sightings happen, based on 84 research-grade iNaturalist observations.

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Recent Blue Shark sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

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