When we think about sharks, most of us instantly think of the ocean. However, some shark species live in freshwater environments. Some sharks spend their entire lives in freshwater, while others ...

1. Introducing sharks, skates, rays, and chimaeras -- What are sharks and how are they classified -- How many kinds of sharks are there -- How did sharks get their name -- Where do shards live -- When ...

JACKSONVILLE, Fla. — Jacksonville University announced what may be a first for St. Johns River research. JU said that on June 9, its Marine Science graduate students made a scientific recording of a ...