Rainbow belly pipefish are captivating creatures. With their vibrant bodies, beautifully decorated sails, and graceful swimming, it’s no wonder they were once highly sought after for aquariums. Now, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Far beneath the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Bignose unicornfish (Naso vlamingii) are an Indo-Pacific reef species known for their blue markings. They can quickly hide these ...