The coelacanth has gills similar to those of fish living at the depths in which ... The scales are a steely blue-gray in color and bear irregular white spots, the patterns of which are distinctive ...

What is a betta fish? Betta fish—also known as Siamese ... This ability develops over time: hatchlings rely on their gills, but adults gulp air and capture the oxygen from it using something ...

They have gills that allow them to breathe underwater ... No matter how big some fish may think they are, don't forget, sharks are also fish! The blue shark is a carnivorous fish that lives ...

In a fascinating new discovery, scientists have found evidence suggesting that the flexible outer part of human ears may have evolved from the gills of ancient fish. Yes, your ears– the same ...