@chr@cybre.space it's because fish should be subdivided similarly to how we subdivide land animals into birds/reptiles/mammals/insects/etc
they have lots of variety, but we just call them all.... fish
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@lizardsquid @chr@cybre.space IIRC the field biology has given up on fish as a classification; What is or isn't called a fish is so hopelessly haphazard that you couldn't really give it meaning in the tree of life without pretty much every animal in those other categories being a fish as well.
