Sand Tiger Shark

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Sand Tiger Shark

Last updated: June 27, 2022
Verified by: IMP
Image Credit Stefan Pircher/

The sand tiger is the shark most commonly seen in aquariums.

Sand Tiger Shark Scientific Classification


Read our Complete Guide to Classification of Animals.

Sand Tiger Shark Conservation Status

Sand Tiger Shark Locations

Sand Tiger Shark Locations

Sand Tiger Shark Facts

Bony fish, other sharks, crustaceans, squid, skates and rays
Group Behavior
  • Solitary/Group
Fun Fact
The sand tiger is the shark most commonly seen in aquariums.
Estimated Population Size
Unknown, but its population decreased by 20 percent in just the last decade due to overfishing.
Biggest Threat
Most Distinctive Feature
It gulps air to keep buoyant.
Other Name(s)
spotted ragged-tooth shark, blue-nurse sand tiger, grey nurse shark, spotted sand tiger shark, chien de mer, dogfish shark, slender-tooth shark, magonga, requin taureau, ground shark
Gestation Period
Eight to twelve months
Shallow tropical and temperate waters close to the shore
Common Name
Sand tiger shark
Number Of Species

Sand Tiger Shark Physical Characteristics

  • Grey-Brown
Skin Type
Top Speed
0.87 mph
13 to 35 years
110 to 660.79 pounds
6.6 to 10.5 feet

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View all of the Sand Tiger Shark images!

“The Sand Tiger Shark only looks ferocious!”

Though the sand tiger prowls the oceans with cold, staring eyes and a mouthful of sharp teeth, and the most gruesome part of its life cycle happens before it’s even born, the shark is actually peaceable. It also tolerates captivity, and those sharks one sees swimming round and round in aquariums are often sand tigers.

4 Incredible Sand Tiger Shark facts!

  • The spotted ragged-tooth shark has an interesting life cycle. The first baby to reach 4 inches in length in the uterine horn eats its smaller brothers and sisters and any unhatched eggs.
  • Because of the above, these shark’s reproduction rate is one of the lowest of all the sharks.
  • Male grey nurse sharks outnumber females two to one.
  • Despite its names, the sand tiger shark isn’t a close relative of either the tiger shark, the nurse shark or the bull shark.

Sand Tiger Shark Classification and Scientific Name

The sand tiger belongs to a genus of sharks called Carcharias, and its scientific name is Carcharias taurus. Carcharias comes from the Greek karkaharos, which means jagged or sharp, and taurus is Latin for bull. There are four species, and here are some facts about them:

Sand Tiger Shark Species

  • Carcharias taurus. This is the classic sand tiger shark.
  • Carcharias tricuspidatus. This is the Indian sand tiger. Biologists don’t know much about it, and many suspect that it is the same species as C. taurus.
  • Odontaspis ferox. This shark is called the small-tooth sand tiger. It is found around the world in deeper waters.
  • Odontaspis noronhai. This is the bigeye sand tiger shark. The bigeye sand tiger is found in deeper waters than C. taurus, and scientists don’t know much about it.

Sand Tiger Shark Appearance

The sand tiger has a robust, torpedo-shaped body. Its head comes to a point, with a cone-shaped snout. It’s generally about 10 feet long and weighs between 110 to as much as 661 pounds. Females are bigger than males.

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The blue-nurse sand tiger swims with its mouth open, baring rows of ragged teeth that give it one of its many names. Unlike its cousin the bigeye sand tiger shark, C. taurus’ eyes are small. The shark is light grayish-brown on top with a pale belly, and it has coppery brown spots on its body and fins. The pectoral fins are behind the last gill opening, and it has two spineless dorsal fins and anal fins that are all about equal size. The tail has a long upper lobe and a short lower lobe.

Sand tiger shark (Carcharias taurus) swimming with other fish in an aquarium.
Sand tiger shark (Carcharias taurus) swimming with other fish in an aquarium.

Valeri Potapova/

Sand Tiger Shark vs. Tiger Shark

Many people confuse the sand tiger shark with the tiger shark, but they’re not closely related. Here are some facts:

  • The sand tiger shark belongs to the Carcharias genus, while the tiger shark belongs to the Galeocerdo genus. Its scientific name is Galeocerdo cuvier.
  • The blue-nurse sand tiger shark is unusual in that its dorsal and anal fins are the same size. The tiger shark has one large and one small dorsal fin.
  • The sand tiger is brownish grey on top while the tiger shark is blue or even pale green with tiger stripes that fade as the animal gets older.
  • The sand tiger’s teeth are smooth, long and come to points like needles. The teeth of the tiger shark are razor-sharp, serrated and have tops that point sideways to not only tear through meat but crush hard materials such as turtle shells.
  • The grey nurse shark eats smaller sharks, bony fish and crustaceans. The bigger tiger shark has a much more varied diet that can include birds, seals, sea turtles, dolphins and even human refuse.
  • The tiger shark is bigger than the grey nurse shark. It often grows to 16.5 feet long and can weigh over a ton.
  • The tiger shark is notorious for attacking humans, while the ragged tooth spotted shark is more docile.

Sand Tiger Distribution, Population, and Habitat

These sharks are found around the world in warm waters, mostly off the east and southern coasts of the United States, the southeastern coast of South America, in the Mediterranean, and off the coasts of Africa, Australia, China, and Indochina. Though it can dive to over 600 feet, it prefers shallow waters, where it hunts stealthily and at night.

Its population has declined because it is over-hunted, as its fins are used for shark fin soup, and the oil from its liver is used in cosmetics. It’s captured for display in aquariums around the world since it tolerates captivity. Some people simply kill the shark because of its ferocious looks. It’s also caught in nets, and baby sharks are vulnerable to pollution.

Sand Tiger Predators and Prey

Humans are the only animals that prey on these adult sharks. Baby sharks are eaten by larger sharks.

The sand tiger’s prey includes fish, smaller sharks, lobsters, squid, rays, and skates. Sometimes these sharks work together by herding fish into balls before they attack them. Sand tigers can be dangerous when they are in a feeding frenzy, for they’ll attack anything that’s nearby.

It’s also vulnerable to being parasitized by lampreys, which attach to the shark and drink its blood.

Sand Tiger Reproduction and Lifespan

One of the reasons that sand tigers are in trouble is their unusual life cycle. Females only produce one or at most two pups at a time, and they only breed every two or three years. Before this, the male and female shark engage in a courtship ritual that involves biting and circling. Sand tiger sharks breed from August to December in the northern hemisphere and August to October in the southern hemisphere.

The female is gravid for about a year, then gives birth to one or two 3-foot long pups who are immediately independent.

These sharks live about a dozen years in captivity but can live around 35 years in the wild.

Sand Tiger in Fishing and Cooking

These sharks are caught on lines, in nets, and are speared. Their fins are used to make shark fin soup.

Sand Tiger Population

These sharks’ population is decreasing, and it is considered vulnerable to extinction. Biologists believe that there are only about 400 of these sharks of breeding age off the coast of eastern Australia, which is not enough to sustain the population.

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Sand Tiger Shark FAQs (Frequently Asked Questions) 

Where are Sand Tiger Sharks Found? 

The spotted ragged-tooth sharks’ favorite habitats are around coral reefs, bays, and surf zones in warm seas in much of the world.

Are sand tiger sharks dangerous to humans?

Sand tiger sharks are not aggressive toward humans, but it is a large predator, and its very genus name refers to a mouth full of sharp teeth. It is prudent to be respectful of this animal.

What is the difference between a sand tiger shark and a tiger shark?

The tiger shark is much bigger and much more aggressive than the sand tiger shark. The two aren’t closely related.

Are sand tiger sharks extinct?

Sand tiger sharks are not extinct.

Where do sand tiger sharks live?

Sand tiger sharks live off the coasts of eastern North America and South America, east and southeast Asia, Africa and Australia.

What do sand tiger sharks eat?

They eat bony fish such as weakfish, sea bass, remoras, snappers, and eels, smaller sharks such as the smoothhound shark, and other cartilaginous fishes such as skates and rays. They also eat crabs, squid, and lobsters.

What are the differences between nurse sharks and grey nurse sharks?

The key differences between nurse sharks and grey nurse sharks are appearance, teeth, size, reproduction, habitat, and location.

  1. Florida Museum, Available here:
  2. Wikipedia, Available here:
  3. Shark References, Available here:
  4. Animal Diversity Web, Available here:

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