Nurse Shark
Nurse Shark
Photograph courtesy Dr. Mathew Gilligan/NOAA
National Geographic
Fast Facts
Type: Fish
Diet: Carnivore
Average lifespan in captivity: Up to 25 years
Size: 7.5 to 9.75 ft (2.2 to 3 m)
Weight: 200 to 330 lbs (90 to 150 kg)
Group name: School or shoal
Did you know? Nurse sharks are nocturnal, and will often rest on the sea floor during the day in groups of up to 40 sharks, sometimes piled on top of each other.
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