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You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering rainbow colors.

If you ever travel to the Maldives, you might be able to see a rainbow without any rain. Meet the newly discovered rainbow-colored fish named the rose-veiled fairy wrasse in the Maldives' "twilight ...

The rose-veiled fairy wrasse is the first Maldivian fish to be described by a local scientist. Pictured: a male rose-veiled fairy wrasse Yi-Kai Tea/Californa Academy of Sciences Deep in the waters off ...

First introduced in The Rainbow Fish in 1992, the title character, who finds happiness when he learns to share his iridescent scales, endeared himself to children and adults alike. Written and ...

A rainbow-colored fish that’s considered among the world’s most beautiful in freshwater and found only in picturesque Appalachian streams has been listed as “endangered,” the U.S. Fish and Wildlife ...

In the new season of Fortnite we’ve ditched Alien Artifacts and now have special Color Bottles we need to find to customize one of Season 8’s most endearing new characters: Toona Fish. As you can see, ...