Anglers off Costa Rica caught a 6-foot-long nurse shark with an orange-yellow hue in a first-of-its-kind sighting, a study said and photos show. Photo from Garvin Watson, shared by Marioxis ...
1.In its lifetime, a shark can have up to 30,000 teeth. They are continuously being replaced and shifted within the mouth. 2.Whale sharks can live to be 100 years old. 3.Sharks are colorblind. Ken ...