A total of 210 tagged fish were recaptured last year, among them a sandbar shark that had been first caught more than 21 years ago.

The sandbar sharks prey on fish, rays, and crabs.

The sandbar shark is also called the thickskin shark or brown shark.

Overall, polyandry is the dominant mating system in lemon sharks and sandbar sharks.

Sandbar sharks usually have heavy-set bodies and rounded snouts that are shorter than the average shark's snout.

Sandbar sharks are viviparous.

This two-year reproductive cycle usually occurs in lemon sharks, sandbar sharks, and nurse sharks.

With over 270 species, carcharhiniforms include a number of common types, such as the blue shark, catsharks, swellsharks, and sandbar shark.

These sharks included lemon sharks, sandbar sharks, nurse sharks and catsharks.

The waters are populated by sharks, including the sandbar shark, groupers, lobsters and varieties of yellow and pink coral.

The tiger shark also eats other sharks (including adult sandbar sharks), as well as rays, and will even eat conspecifics.

Carcharhinus plumbeus (Sandbar shark)

Sandbar sharks are found in tropical to temperate waters worldwide; in the western Atlantic they range from Massachusetts to Brazil.

In one experiment, sandbar sharks and scalloped hammerhead sharks were conditioned to associate a food reward with an artificial magnetic field.

Blacktip sharks are one of the most important species to the northwestern Atlantic shark fishery, second only to the sandbar shark (C. plumbeus).

The bignose shark was found to be the sister species of the sandbar shark (C. plumbeus), with the two forming one of the group's two branches.

Several sandbar sharks scattered, surprised as she loomed out of the murk, and then the hulk loomed out of the murk at her.

Species on display include Sandbar sharks, Blacktip reef sharks, Zebra Sharks, and Nurse Sharks.

Sharks of varying sizes and species, including sand tiger sharks, sandbar sharks, nurse sharks, and sawfish, slowly encircle visitors inside this 225,000-gallon, ring-shaped exhibit.

The sandbar shark, Carcharhinus plumbeus, is a species of requiem shark, family Carcharhinidae, native to the Atlantic Ocean and the Indo-Pacific.

Areas with a high abundance of grey reef sharks tend to contain few sandbar sharks (C. plumbeus), and vice versa; this may be due to their similar diets causing competitive exclusion.

Brill et al. (2008) reported that captive juvenile sandbar sharks (Carcharhinus plumbeus) maintained a 50-60cm clearance in their swimming patterns when a piece of neodymium-praseodymium mischmetal was placed in the tank.

"Electroreception in juvenile scalloped hammerhead and sandbar sharks" by Stephen M. Kajiura and Kim N. Holland, The Journal of Experimental Biology (2002).

The flesh is considered superior to that of the sandbar shark, resulting in the sandbar and other requiem shark species being sold under the name "blacktip shark" in the United States.

Most of these attacks were previously thought to be great whites.

Too bad (and good) they don't have the great whites in there anymore.

After both attacks, the local population of about 100 great whites vanished.

Little is known about the migratory habits of great whites.

Due to this they are mostly called "freshwater great whites".

But those great whites can get 10 yards long.

When grizzlies or great whites do their thing it should come as no surprise.

They were in the water with two great whites, the same kind of shark that's here now."

According to Hooper, the only thing good about great whites is that they're scarce.

Great whites home in on the scent of a seal colony from two miles away.

Great whites have also been known to eat objects that they are unable to digest.

Almost nothing is known about reproduction in great whites.

Explore what seals do to avoid the great whites' jaws.

It might be argued that because of this nearly all attacks by great whites do not continue after the first bite.

Mike has spent more time swimming cage-less with great whites than anyone else.

And the teeth are exactly like the teeth you see in great whites today.

Especially near Durban where all the great whites are.

Taken over three years, the photos illustrate exactly why great whites are considered one of the world's most efficient predators.

There aren't many great whites caught on a rod and reel."

Watch in awe, even as you wonder about the cage's strength, while the 6m-long great whites circle.

Accordingly, in most recorded attacks, great whites broke off contact after the first bite.

You come to long for some blood that might draw the great whites and threaten a cameraman (not seriously).

Back then, it was generally accepted that great whites were anthropophagus (they ate people) by choice.

There are those by great whites, which because of their size are particularly dangerous and known to attack without provocation.

But even the great whites have no defense when we hit them amidships at thirty knots."