Marcus Pfister enlists his famous fish in two concept books. Numbers in Rainbow Fish Counting progress from one crab to 10 fish, but, as the last page reminds readers, there is ""only one glittering ...

With her lovely coloring and shimmering scales, the Rainbow Fish is used to being the most beautiful creature in the ocean. When other fish ask her for some silver scales, she refuses. How can she ...

Bignose unicornfish (Naso vlamingii) are an Indo-Pacific reef species known for their blue markings. They can quickly hide these markings if needed. “We are sharing those color stories to show all the ...

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.