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Not all sharks are a dull gray: the coral catshark (Atelomycterus marmoratus), for...
The Goblin Shark
The goblin shark (Mitsukurina owstoni) is one of the creepier fish out there! It...
Is it an enormous eel? No—it's a shark! The frilled shark is named for its...
The blue-spotted stingray (Taeniura lymma) doesn’t like to be covered in sand...
Fossil tooth spiral
This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
Two fossilized teeth from a megalodon (Carcharodon megalodon) dating back more than...