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A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.
Fin fish like salmon have gills, are covered in scales, and reproduce by laying eggs. Eels, by contrast, have worm-like bodies and exceedingly slimy skin. Lungfish gulp air. Whale sharks, the ...
May 15, 2024 · Fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and rays to the abundant and diverse bony fishes.
Oscar fish comes from the Cichlid family and is known by more common names like marble cichlid, velvet cichlid, and tiger Oscar. They are native to the tropical region of South America where they are often sold as food. The fish has been domesticated to other regions of the United States, Australia, and China as well.
May 18, 2017 · Discover hundreds of never-before-seen resources! Create your free account at https://my.happylearning.tv/ and start learning in the most entertaining way.Wh...
Feb 1, 2023 · Perch. Rainbow trout. Sardines. Striped bass. Tuna. Alaskan pollock. Char. Takeaway. The healthiest types of fish include those high in omega-3 fatty acids and have lower levels of mercury ...
Jan 3, 2023 · Fish are aquatic vertebrates. They usually have gills, paired fins, a long body covered with scales, and tend to be cold-blooded. “Fish” is a term used to refer to lampreys, sharks, coelacanths, and ray-finned fishes, but is not a taxonomic group, which is a clade or group containing a common ancestor and all its descendants. Instead, there are 3 main classes, groups, or types of fish ...
Fish are vertebrates (vertebrates have backbones) that live in water. They breathe using special organs called gills.
Jul 28, 2022 · The world’s biggest fish is the whale shark, which has a maximum recorded length of 18.8 m / 61.7 ft. The second-largest fish is the basking shark, which has a maximum recorded length of 12.27 m / 40.3 ft. Unlike most sharks, which are active hunters, both the whale shark and the basking shark are filter feeders.
Fish are a kind of animal that lives in water. Fish have lived on Earth for more than 450 million years. There are more than 24,000 species, or kinds, of fish. New ones are discovered every year.
