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Nurse sharks

Nurse shark

Ginglymostoma cirratum

A broad-headed, bottom-dwelling shark that often rests during the day and searches the seafloor for food at night.

ReefBottom-dwellingNocturnal
View recent sightings
Natural-history painting: Nurse shark
19 observationsin our coverage data · past 365 days
Typical sizeAbout 7.5–8 ft
MaximumAbout 10 ft
Age & growthMatures at roughly 10–20 years
Family size comparisonAbout 10 ft maximum
Dad, Daughter, Son & Mom
Family of fourNurse shark · About 10 ft

Every figure uses the same scale. The shark image is shown at the species’ published maximum length; individual animals vary.

Habitat

Shallow reefs, sandy bottoms, grass flats, mangroves, caves, and rocky crevices.

Geographic range

Warm western Atlantic waters from the northeastern United States through the Caribbean and to Brazil.

Depth

Juveniles often 3–13 ft; adults commonly 10–246 ft

Diet

Fish, stingrays, octopus, squid, clams, and crustaceans.

How to recognize it

Rounded fins, very small eyes, and a pair of sensory barbels beside the mouth.

Reproduction

Live-bearing after eggs hatch inside the mother; litters commonly contain 20–30 pups.

Species facts

Did you know?

01

It can use suction to pull prey from crevices.

02

Individuals often return to the same daytime resting sites.

Awareness, not a live shark tracker.An observation is a report from a past time and place—not a prediction of where an animal is now. Species facts do not establish the size, age, behavior, or current location of the observed animal.