Just like other meats, fish can also be categorized into red and white varieties. This is generally distinguishable by eye, with the color of the fish's flesh being the major giveaway. Plus, these two ...

A lot of reef creatures could be in the red. A widespread capacity for fish, corals, worms and other animals to fluoresce red has been largely overlooked, contend Nico Michiels of the University of ...

Deep-diving fish have a problem: The only light that penetrates their watery environment is blue and green hardly enough of a palette for flashy color patterns. Now, a new study reveals these fishes' ...

All hail the GloFish: The heir to the Day-Glo poster, the strobe light and the lava lamp and, if a Texas company has its way, the first genetically engineered household pet. Transgenic zebrafish, ...

The fox froze. Inches from his paws, frenzied, spawning carp writhed in the shallow water along a reservoir’s shore. In a sudden flash of movement, the fox dove nose-first into the water, emerging ...