For instance, in 2001, a bonnethead shark at the Henry Doorly Zoo in Omaha, Nebraska, gave birth to a pup despite having no male present in the tank for three years.
“In a jaw-dropping moment of marine history, Sea Life Sydney Aquarium has announced the rare arrival of a baby gray nurse ...
Getty Images/iStockphoto Months after endangered gray nurse shark Mary-Lou was seen participating in mating activities in an Australia aquarium, the ocean predator welcomed a “surprise” pup ...