Guppies are tiny, easy-care fish that grow up to 1.6 inches (4 centimeters) long. They like to live with other guppies and are social, active fish. Males are known to harass females, so it’s ...

Growing up, fishing lines, like the channels on TV, came in very few colors. Most were clear. Others were tinted with sublime blue or green hues but were also primarily clear. There were no reds, ...

This time, the fish couldn’t recognize the diver that had been feeding them and began following both again. This suggests they used the different colors of diving gear to tell the two divers ...

The two species of fish could look pretty similar on first glance, but they have slight variations in color and size ... but the fish have sightly different colored bands, per the study.

The new species was identified off the coast of the Yucatan Peninsula in the southwestern Gulf of Mexico. The body of water was renamed as the Gulf of America by executive order on Jan. 20 by ...

B and C - Line drawings showing the position of different fins ... allowed researchers to reconstruct the fish's colors. Its back was dark, its belly light, and two lateral stripes adorned ...

The Pennsylvania Fish and Boat Commission has been busy stocking trout. Here's a look at how to know which species you caught.

This exciting debut showcases the fish's brilliant fluorescence, which enhances any aquarium with a striking, neon-like glow under both white and blue LED lighting. Beyond its eye-catching color ...

When you catch a trout, here’s how you can tell which type you have in your net: Rainbow: These fish have a pink lateral stripe, dark spots and shiny scales. They have a greenish color and their ...