CT (computed tomography) scan of the adult male Spotted Ratfish frontal clasper (Tenaculum) covered in rows of teeth (rainbow colors). Male “ghost sharks” — eerie deep-sea fish known as chimaeras that ...

There’s a lot of diversity of form among fishes. What we generally think of as standard features (fins, scales and teeth) can present in all sorts of interesting ways from group to group and species ...

When Charleston resident Grant Martin found his first shark tooth on a Hilton Head Island beach when he was a kid, he thought ...

The study found that as acidity increases, shark teeth could become structurally weaker and more prone to cracking and breaking. This could eventually threaten sharks’ position at the top of the ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...