Rare. They have been reported but usually in extreme El Nino years.
no
No just bull sharks.
No, bull sharks are not extinct, but they are threatened.
Bull sharks need to live in water where it is warmer.
No, despite their name, bull sharks are free of horns.
they are called bull sharks because they are larger than most sharks and are notoriously aggressive.
Bull Sharks Are Gray Actually they are brown look it up on google images.
bull sharks have been known to use the bump and bite.
Because they have the name bull in it
there sharks.
No. The only sharks that can live in fresh water are bull sharks, and it's too cold for them live in the Canadian river.
No. They are saltwater fish and the Columbia River is fresh water. Actually your wrong about that....Bull Sharks are the only Sharks that can go from salt water to fresh water and they are looking for new feeding ground....Fact, one has already been spotted in our Oregon river's.