According to fossil records, they have been on Earth for more than 500 million years! The total number of living fish species-about 32,000- is greater than the total of all other vertebrate species (amphibians, reptiles, birds, and mammals) combined. ![]() Another is that fish are very old on the evolutionary scale. The animals in this group live in a variety of habitats ranging from coral reefs and kelp forests to rivers, streams, and the open ocean. Apart from these similarities, however, many of the species. One reason fish are so diverse is that 70 percent of the planet is covered in water. Largetooth sawfish Learn More About Fish All fish share two traits: they live in water and they have a backbonethey are vertebrates. Others can find their prey and even navigate by detecting electrical charges. Many can detect motion in the water using a special row of scales with sensors known as the lateral line. Because water transmits sounds, disperses chemicals, and conducts electricity better than air, fish rely less on their vision and more on their hearing, taste, and smell. Some species, such as the weedy sea dragon, are so bizarre they seem almost unreal.įish have developed special senses, too. Betta Fish, also known as the Siamese fighting fish, is another popular freshwater. But as they grew up, these goldfish owners learned a few things about pet fish. Often, these pet fish cost nothing as they were given out as prizes at carnivals and funfairs. Indeed, it was probably a goldfish, kept by itself in a goldfish bowl. We specialize in importing and breeding rare and exotic fish from around the world. Guppies are another fish species that makes perfect pets for beginners. For many people, their first pet was a fish. From danios to tetras, barbs and even sharks - all are brilliant under. Whale sharks, the largest fish, give birth to live young and eat only tiny fish, squid, and plankton. Aquarium Fish Depot has one of the largest selections of saltwater and freshwater aquarium fish including amazing array of aquatic pets of all kinds. GloFish fluorescent fish come in a variety of species and colors of tropical fish. Eels, by contrast, have worm-like bodies and exceedingly slimy skin. Wide range of tropical aquarium fish - From Tetra & Salmon to Guppy - More than 800 species of tropical aquarium fish available from stock at pet stores. ![]() Fin fish like salmon have gills, are covered in scales, and reproduce by laying eggs. All fish share two traits: they live in water and they have a backbone-they are vertebrates.Īpart from these similarities, however, many of the species in this group differ markedly from one another. Little Live Pets - Lil Dippers Fish Tank: Splasherina Interactive Toy Fish & Tank, Magically Comes Alive in Water, Feed and Swims Like A Real Fish.
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