All About Fish

Did you know that there are more than 28,000 species of fish in the world? How about that the Tuna fish can swim at speeds in excess of 50kph, or that the global human population consumes an average of more than 100 million pounds of fish every single year? LiveScience.com gives you the opportunity to uncover the wonders of the fish like you never have before.

A fish is defined as a cold-blooded vertebrate that typically has fins and gills and exists in some substantial body of water, but just how do the thousands of existing fish species co-exist together? What are the largest and smallest fish species living in the nautical ecosystem today? Are there any species that have yet to be discovered? How will current environmental issues such as glacier loss and global warming affect fish in the future?

Find out the answers to these questions and more with our comprehensive fish articles, fish pictures and other interactive fish features that will bring the world of the fish to life right on your computer screen.

Learn more information about fish by clicking on any article, photo or other interactive feature below.