Have you ever seen a fish eat a bird? Probably not, but that’s exactly what the Wels catfish is capable of doing. This video from BBC Earth shows a Wels catfish eating a pigeon whole. This astonishing ...
The continent’s largest freshwater fish, native to Eastern Europe, is an invasive species that threatens native fish already in decline. Wels catfish, which are native to Eastern Europe, can grow up ...
In science, categories matter: phylum, family, class, species, solid, liquid, endo-, exo-, we analyze by creating groups, by making clean distinctions. Nature, on the ...
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