A fish is any marine creature (including freshwater habitat) that has a backbone and fins. It must be a vertabrate. There are over 23,000 species of fish in the ocean. Here are a few examples:
Fishes |
The complete list of fishes on this wiki is at
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Marine | Marine Habitats • Aquariums • Global Oceans • Ocean Weather
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Vertebrate | Fishes • Mammals • Reptiles • Amphibians • Cartilaginous Fishes • Sharks
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Invertebrate | Arthropod • Mollusca • Echinoderms • Cnidaria
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Conservation Status | Critically Endangered • Endangered • Near Threatened • Vulnerable • Least Concern • Data Deficient • Not Evaluated |