Shark teeth are identified by analyzing the size, shape and texture of a tooth. While most shark teeth are in the shape of a triangle, the length, width and sometimes the edges of a given tooth can be used to identify th... More » Pets & Animals Marine Life Sharks

Sharks have an average of 15 rows of teeth with approximately 40 to 50 teeth in each row. The number of teeth a shark has varies according to the type of shark. However, most sharks have about five rows of teeth; the bul... More » Pets & Animals Marine Life Sharks

The great hammerhead shark has up to several rows of teeth in each jaw, with 24 to 37 in each row. The teeth are triangular with extremely serrated edges, ideal for hunting prey. While the shark constantly loses teeth, i... More »

To identify shark teeth, make a note of the tooth's identifying characteristics and compare it with literature or pictures of shark teeth. You need a magnifying glass to help review the tooth. Written and pictorial infor... More »

Shark eggs vary in appearance by species, although most have a leathery protective case, and they are often shaped like corkscrews. Tendrils or other attaching appendages are present on others to assist in their attachme... More » Pets & Animals Marine Life Sharks

Mary Lee the Shark is a 16-foot, 3,456-pound great white shark that travels up and down the eastern seaboard. Researchers from OCEARCH have been tracking her movements since 2012. More » Pets & Animals Marine Life Sharks

Shark meat can be eaten by humans, but the U.S. Food and Drug Administration recommends limiting consumption to once or twice a month. Shark liver should not be eaten, as it contains toxic levels of some vitamins. More »