Niall Paredes, 32, has been teaching his neighbors about fish with fun fish-fact posters placed around the Fishtown neighborhood.

Shark sightings on the east and west coasts have been on the rise as Americans flock to beaches in hopes of cooling off. In Hawaii, a tiger shark was recently spotted swimming 30 yards from the island ...

There are lots of fun facts about fish. What is the oldest bony fish, the biggest? And where are fish taste buds? Find out some fun fish trivia.

Fish are among the most biodiverse and interesting vertebrate groups on the planet, playing vital ecosystem roles, supporting considerable commercial, recreational, and artisanal (traditional) ...