Crevalle Jack
Caranx hippos
A hard-pulling jack that thrives from rivers to reefs.
Crevalle jacks are powerful schooling fishes with broad chests and deeply forked tails. They can handle an unusual range of water, from the open sea into salty rivers.
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From field guide to game table
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Quick dive
Creature passport
- Home
- They live in western Atlantic coastal waters, estuaries, reefs, and offshore areas.
- Favorite foods
- They hunt fishes, shrimp, crabs, and other swimming animals.
- Size check
- Usually about 2 ft; up to 3.3 ft (1 m)—yardstick length
Tell-your-friends facts
Four wonderfully wild things
- 1
A dark oval blotch marks the base of each pectoral fin.
- 2
The chest is mostly scaleless except for a small central patch.
- 3
Young crevalle jacks have vertical bars that fade as they mature.
- 4
Large adults sometimes travel alone, but most form energetic schools.
Ocean superpower
Built to be amazing
A flexible tolerance for salinity lets them hunt from sea to river water.
Junior scientist tip
What should I look for?
Look for a black gill-cover spot, pectoral-fin blotch, and deeply forked yellowish tail.
Grown-up research links
We used trusted science organizations to check this profile.