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Open OceanApex

Swordfish

Xiphias gladius

A deep-diving hunter with a built-in sword and heater.

Swordfish sweep their flattened bills through schools of prey, stunning or injuring meals before swallowing them. They race between warm surface water and chilly depths in oceans around the globe.

Find this SeaPal in the card gallery
SeaRealm card featuring Swordfish

From field guide to game table

Bring this Swordfish home

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1 deck

Quick dive

Creature passport

Home
They range through tropical, temperate, and sometimes cold waters worldwide.
Favorite foods
They eat schooling fishes, squid, and other open-water animals.
Size check
Up to 15 ft (4.6 m) and over 1,000 lb (450 kg)—small-car weight

Tell-your-friends facts

Four wonderfully wild things

  1. 1

    The sword is a flattened upper jaw, not a nose horn.

  2. 2

    Adults lose the teeth and rough scales they had when young.

  3. 3

    Females grow larger than males and can release millions of eggs.

  4. 4

    Swordfish usually travel alone rather than in tight schools.

Ocean superpower

Built to be amazing

A special heater keeps their eyes and brain warm during cold, deep dives.

Junior scientist tip

What should I look for?

Find the long flat bill, crescent tail, and tall curved front fin.

Grown-up research links

We used trusted science organizations to check this profile.