Fish Fridays Bar Jack


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Common Name: Bar Jack

Latin Name Caranx Ruber

Location: Florida, Bahamas, Caribbean, Gulf of Mexico, north to New Jersey and south to Brazil.

Distinct Features and Information: The bar jack is most simply distinguished from similar jacks by its dark horizontal bar which runs along the back and down the caudal fin, often accompanied by an electric blue stripe immediately below it. The bar jack has somewhat of a dual feeding mode. Although its diet mainly consists of fish, shrimp, and other invertebrates, the bar jack can also be a bottom feeder. Bar jacks are usually bottom feeders in their first or second year of growth. Juveniles sometimes follow a bottom feeder such as a stingray, eating whatever is stirred up. This, however, is not the preferred feeding mechanism of the bar jack. The bar jack usually lives in clear, shallow waters over coral reefs. It is typically found in schools varying in size from a few fish to many. Occasionally the bar jack is seen swimming alone. Juveniles may be observed under patches of Sargassum mats. Schools of larger fish also occur under large Sargassum on occasion. Size: 19.7 inches (50 cm).

Special Status or Protections: None

Bar Jack Juvenile

Bar Jack Intermediate

Bar Jack Adult

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