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  • Fish - Wikipedia
    A typical fish is cold-blooded, has a streamlined body for rapid swimming, extracts oxygen from water using gills, has two sets of paired fins, one or two dorsal fins, an anal fin
  • 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: Different Types, Definitions, Photos, and More
    Instead, there are 3 main classes, groups, or types of fish: bony fish (Osteichthyes), jawless fish (Agnatha), and cartilaginous fish (Chondrichthyes) Fish are the most diverse group among vertebrates, with over 33,000 different types of fish species
  • 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: Classification, Types, Characteristics Feeding Habits
    What are fish? What are the main types of fish? What roles do they play in aquatic ecosystems? Discover their definition, key characteristics, classification, and feeding behaviors
  • The Worlds Most Common Types Of Fish - WorldAtlas
    There are about 33,600 species of fish known today Fish are an essential resource to humans across the world, particularly as food
  • Fish - Animal Kingdom
    Fish are diverse aquatic animals with various species, shapes, and sizes, inhabiting oceans, rivers, and lakes worldwide, and playing vital roles in ecosystems





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