Fish - Wikipedia
WebA 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 ...
Fish | Definition, Species, Classification, & Facts | Britannica
Web5 days ago · 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.
Fish Pictures & Facts - National Geographic
WebFin 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.
Fish: Different Types, Definitions, Photos, and More
Web3 Jan 2023 · Fish are the most diverse group among vertebrates, with over 33,000 different types of fish species. No one really knows how many different types of fish exist in the world, more are being discovered constantly. We may soon have over 35,000, or even 40,000 known species!
Fish - National Geographic Kids
WebFish are vertebrates (vertebrates have backbones) that live in water. They breathe using special organs called gills.
Fish species and physical features | Britannica
Webfish, Any of more than 30,000 species of predominantly cold-blooded vertebrate s found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes through the cartilaginous shark s, skates, and ray s to the abundant and diverse bony fishes. Species range in length from 0.4 in. (10 mm) to more than 60 ft (20 m).
What are fish? - BBC Bitesize
WebWhat are fish? Part of Science Animals including humans Year 1. Save to My Bitesize. Remove from My Bitesize. Watch: How to spot a fish. Travel under the ocean to identify the different fish....
Fish: The Ultimate Guide To Fishes & Fish Life - Active Wild
Web28 Jul 2022 · A fish is an aquatic vertebrate with fins and gills. The body of a typical fish is streamlined and covered in protective scales. Around half of all known vertebrates are fish, making fish the dominant vertebrate animals on the planet. Fish are found in both salt and freshwater habitats in most parts of the world.
10 Essential Facts About Fish - ThoughtCo
Web8 Aug 2019 · 10 Essential Facts About Fish. By. Bob Strauss. Updated on August 08, 2019. One of the six main groups of animals —along with invertebrates, amphibians, reptiles, birds, and mammals—fish are so abundant in the world's oceans, lakes, and rivers that new species are constantly being discovered. 01. of 10. There Are Three Main Fish Groups.
Fish Portal | Britannica
WebFishes have been in existence for more than 450 million years, and they have evolved to fit into almost every conceivable type of aquatic habitat, including both fresh and salt waters. Almost all natural...
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