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  1. Fish - Wikipedia

    In English, the plural of "fish" is fish when referring to individuals and fishes when referring to species. Most fish are cold-blooded, their body temperature varying with the surrounding …

  2. Species Profiles | NC DEQ

    Learn how to identify fish frequently seen in North Carolina's saltwater environments. Fish are categorized by the location where they are most commonly encountered.

  3. Fish | Definition, Species, Classification, & Facts | Britannica

    Oct 28, 2025 · 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 …

  4. Fish: The Ultimate Guide To Fishes & Fish Life - Active Wild

    Jul 28, 2022 · 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…

  5. 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...

  6. 5 Healthiest Fish to Eat—And Which to Avoid - Verywell Health

    1 day ago · Some fish are healthier than others. The healthiest fish to eat are high in nutrients and low in contaminants.

  7. What is a Fish? | manoa.hawaii.edu/ExploringOurFluidEarth

    Fish are aquatic vertebrate animals that have gills but lack limbs with digits, like fingers or toes. Recall that vertebrates are animals with internal backbones.

  8. Fish - Animal Kingdom

    Let’s dive under together and explore the world of fish, looking at their various species, popular types, size variations, feeding habits, reproduction, lifespan, unique characteristics, and the …

  9. 9 Evidence-Based Health Benefits of Eating Fish

    Apr 29, 2025 · This is a detailed article about the health benefits of fish. Fish is high in omega-3 fatty acids and may help protect against many diseases.

  10. 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.