• Tuukka R@sopuli.xyz
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    7 days ago

    Seems so. Wikipedia tells there are seven classes of vertebrates:

    • Agnatha (jawless fishes, paraphyletic)
    • Chondrichthyes (cartilaginous fishes)
    • Osteichthyes (bony fishes, paraphyletic)
    • Amphibia (amphibians)
    • Reptilia (reptiles, paraphyletic)
    • Aves (birds)
    • Mammalia (mammals)

    So yes, fishes is the same thing as vertebrates.

    Probably because if you were a vertebrate living in the sea, you needed some sort of gills and fins and such. And those are what makes people assume something is a “fish”.