Blue shark
Prionace glauca
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Size, compared with you
You: 1.7 m. Blue shark: 3.8 m.
Bigger than a car. Grows up to about 3.8 m.
A slim, graceful shark with a deep blue back and a long snout. It is one of the most widespread sharks in the world and travels huge distances across the open ocean.
The weird bit
Blue sharks seem to steer by the Earth's magnetic field. They can hold a straight course for hundreds of kilometres over many days.
Quick facts
- Where it lives
- Open ocean0 to 350 m down
- What it eats
- Mainly squid, plus bony fish, small sharks and carrion
- How worried are we?
- Close to trouble (Near Threatened)Assessed in 2018 by the IUCN Red List.