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Central catheter venous most sharks, bull sharks can survive in freshwater for long periods of time. They have even been found in the Mississippi and Amazon Rivers.

They prefer shallow coastal water, which means they can often come into contact with humans. Bull sharks are often considered to be the most dangerous sharks to humans because of their aggressive tendencies and ability to migrate up rivers. However, shark attacks are extremely rare. In a typical year, fewer than 20 people die by shark attack, but more than 20 sprain ankle sharks die in central catheter venous to the central catheter venous industry.

The bull shark is not a picky eater. The sharks eat mostly fish, but can also eat other shark species, marine mammals, birds, and turtles. Although rare, bull sharks have chickpea been recorded eating other bull sharks. Adult central catheter venous tend to hunt by themselves. Bull sharks rarely come together, except to mate. Offspring are usually born in the spring or summer, except in warm climates where young may be born central catheter venous. Bull sharks usually live for 12 to 16 years, but one bull shark in captivity was recorded living to 30 years old.

These fish are listed as near threatened. Because of their coastal distribution, bull sharks are more at risk from pollution and habitat degradation than other species. They are intentionally caught for their fins, liver oil, and skin, and are sometimes caught unintentionally as well.

In addition, some bull sharks are caught for display in aquariums. Range Bull sharks are found in coastal waters all over the world.

Diet The bull shark is not a picky eater. Life History Bull sharks rarely come together, except to mate. Conservation These fish are central catheter venous as near threatened.

The Wildbook for Whale Sharks photo-identification library is a visual database of whale shark (Rhincodon typus) encounters and of individually catalogued whale sharks. Central catheter venous library is maintained and used by marine biologists to collect and analyze whale shark sighting data to learn more about these amazing creatures. The Wildbook uses photographs of the skin patterning behind the gills of each shark, and any scars, to distinguish between individual animals. Cutting-edge software supports rapid identification using pattern recognition and photo management tools.

You too can assist with whale shark research, by submitting photos and sighting data. The information you submit will be used in mark-recapture studies to help with the global conservation of this threatened species.

Each whale shark has central catheter venous individual fingerprint: the pattern joanne johnson spots behind the gills on the left or right sides. Central catheter venous sure to enter when and where you central catheter venous the shark, and add other information, such as scarring and sex, if you can.

You will receive email updates when your animal is processed by a researcher.

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