There are more than 500 recognized shark species living today. Sharks can be found in all of the world’s oceans, and even in some rivers. Their notorious and often undeserved reputations have caused ...

The daggernose shark (Isogomphodon oxyrhynchus) is one of the most geographically restricted shark species in the world, endemic to the northern coast of South America from Trinidad and Tobago to ...

The shark typically only grows to about 4.5ft (1.5m) in length. The prehistoric daggernose would have been similar in size at adulthood, reaching up to five feet (1.52m) in length.

The Brazilian Guitarfish (Pseudobatos horkelii), Largetooth Sawfish (Pristis pristis) and Daggernose Shark (Isogomphodon oxyrhynchus) are among the Brazilian elasmobranchs facing increased risk of ...