There are no documented cases of fatal nurse shark attacks in United States territorial waters. Nurse sharks have strong jaws and can deliver a painful bite when provoked but are generally docile. More »

The best way to survive a shark attack is to try to hit or gouge out the shark's eyes. This may be more effective if you use something heavy as a weapon, such as a camera, driftwood or other debris. More » Pets & Animals Marine Life Sharks

The sand tiger shark is a relatively large species of shark that inhabits continental shelves and reefs to a depth of approximately 620 feet in subtropical and temperate waters worldwide. The diet of the sand tiger is co... More » Pets & Animals Marine Life Sharks

The zebra bullhead shark grows up to 4 feet in length, has black or brown stripes on its body and lives in the subtropical waters of the western Pacific. It gets its name from its stripes and from the heavy bones over th... More » Pets & Animals Marine Life Sharks

Newborn shark sizes vary by shark species; for example, a newborn great white is typically about 4 feet long, while blacktip reef shark newborns are considerably smaller, usually more than 20 inches in length. Whale shar... More »

Reaching a maximum length of about 6 feet, the frilled shark is an eel-like species that is poorly known to science. The sharks derive their name from gills that feature “frilly” extensions. A primitive species, frilled ... More » Pets & Animals Marine Life Sharks

The Colombian shark, known also by its scientific name as Arius jordani, bears an elongated body that is silvery in color with a white or lighter-colored underside. In captivity, the catfish species reaches 10 to 20 inch... More »