Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

For centuries, sharks have patrolled the oceans as silent phantoms—seen, feared, but never heard. But in a small tank in New Zealand, one of them clicked. The spotted estuary smoothhound, or “rig ...

The strongest shark bite: The greatest force of a shark bite ever recorded measured 132 pounds of force between the jaws of a dusky shark (Carcharhinus obscurus). Largest egg in the world ...

Measuring in at 56 centimeters (22 inches) in length, the organism is actually a fetus, extracted from the womb of a pregnant dusky shark, caught by fisherman Enrique Lucero León near Cerralvo Island ...

Don’t get stuck with an unsafe boat needing costly repairs. Insure your 2011 Dusky Marine 19 BAY SHARK for just $100/year*. More freedom: You’re covered on all lakes, rivers and oceans within 75 miles ...

Don’t get stuck with an unsafe boat needing costly repairs. Insure your 2010 Dusky Marine 19 BAY SHARK for just $100/year*. More freedom: You’re covered on all lakes, rivers and oceans within 75 miles ...