- Fish - Wikipedia
Fish have been an important natural resource for humans since prehistoric times, especially as food Commercial and subsistence fishers harvest fish in wild fisheries or farm them in ponds or breeding cages in the ocean
- Fish | Definition, Species, Classification, Facts | Britannica
A fish is any of approximately 34,000 species of vertebrate animals found in the world’s fresh and salt waters The term fish is applied to a variety of vertebrates of several evolutionary lines It describes a life-form rather than a taxonomic group
- Fish Pictures Facts - National Geographic
All fish share two traits: they live in water and they have a backbone—they are vertebrates Apart from these similarities, however, many of the species in this group differ markedly from one
- Fish: The Ultimate Guide To Fishes Fish Life - Active Wild
The ultimate guide to fishes fish life, including definition of a fish, fish bodies, types of fish and the life-cycle of a fish Read on for a complete guide to ichthyology…
- Fish - Definition, Examples, Characteristics
Fish are aquatic vertebrates that typically have gills, fins, and a streamlined body They inhabit diverse environments, from freshwater rivers and lakes to salty oceans and deep seas
- Fish - National Wildlife Federation
Explore facts and photos about fish found in and around the United States Learn about their range, habitat, diet, life history, and more
- Fish - Wikiversity
Fish scales actually grow inside the skin of the fish, while reptile and bird scales grow on the surface of the skin Most fishes are ectothermic, meaning they rely on the environment around them for their body temperature Some fishes like tuna are endothermic, and produce their own internal body heat
- Types of Fish - Fish Fishing (U. S. National Park Service)
Fish biologists have described more than 30,000 species of fish in the world Visit NPSpecies to see what species of fish are found in national parks Scientists classify fish into two major groups: the jawless (Agnatha) fishes and the jawed (Gnathastomata) fishes
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