You can easily make it into any color you want, but the blue is gorgeous. This would be super cute at a table for either a ...

Sea slugs use bold, bright colors under sunlight to warn predators of their toxic traits. These colors are easier for fish to ...

The fish can also breathe air, allowing them to survive for several days out of water if their skin stays moist.

Using high-resolution microscopy, researchers identified melanosomes, pigment-producing structures that helped reconstruct the fish’s color pattern. “The fish was darker on its dorsal surface ...

and how gracefully the fish moves in the water. But the most important trait of all is the koi's coloring. The best koi have a good balance of colors and patterns according to their variety.

Color is important to fish. It’s used for camouflage, mate selection and defense. While easily seen in tropical aquarium fish ...

Hamlets are essentially distinguished by their color patterns, which vary from species to species and are largely genetically determined. The fish can grow 10 to 15 centimeters in size.