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Negaprion brevirostris
Max Length
3.4m
Litter Size
4 to 19 pups
Overview
Named for its yellowish-brown coloring, providing camouflage over sandy seafloors. Common in shallow subtropical Atlantic waters. One of the most-studied sharks in both captivity and the field, used extensively in behavioral research.
Habitat
Inshore species that may enter fresh water.
Distribution
Western Atlantic from New Jersey to southern Brazil, including the Gulf of Mexico and Caribbean Sea. Eastern North Atlantic including Senegal and Ivory Coast. Eastern Pacific from southern Baja to Ecuador.
Behavior
The shark is nocturnal; it is active at night close inshore: around docks, saltwater creeks, estuaries, bays and inlets.
Human Safety
This species has been involved in unprovoked incidents in South Carolina, Florida and Texas. It may become very aggressive toward divers if molested.
Biology
Appearance

Dentition
Recorded
50
Fatal
1
Fatality rate
2.0%
Years
1933–2025
Top countries
Counts are based on the species field of the Global Shark Attack File. Identifications by witnesses are often uncertain; treat figures as recorded incidents, not authoritative totals.