Sharks predate trees, dinosaurs, and the rings of Saturn. Across more than 400 million years, they have outlasted five mass ...

Biodiversity loss isn’t just about losing species — it’s about losing the evolutionary traits and ecological roles that make those species unique. A new study on requiem sharks (Carcharhinus) shows ...

The spadenose shark (Scoliodon laticaudus) is one of the smallest members of the requiem shark family and found in shallow tropical and subtropical waters of the Indian and western Pacific Oceans. The ...

Named for the distinctive gray stripes on the sides of their bodies, tiger sharks are one of the 50-60 requiem shark species within the order Carcharhinidae. Tiger sharks typically average 10-14 feet ...