On Jan. 3, a swell shark egg hatched at Shreveport Aquarium in Shreveport, Louisiana. The egg was discovered by aquarium staff in a female shark tank about eight months ago, but it may have remained ...

Nurse sharks are particularly unassuming sharks, often seen lying motionless on the seabed, or under rocky overhangs. But when it comes to finding a mate, they really start to liven up.