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True blennies; with notes on British species

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For this article, my primary reference on where taxa are situated is Phylogenetic Classification of Living and Fossil Ray-Finned Fishes (Actinopterygii) by Near & Thacker, 2024, which I regard to be the most   authoritative r evision of actinopterygiians at the time of this article's publication.    Who wants to be a Blennionaire? An overview of the true blenny families, with a guide to British species.   I can't think of many questions where the potential answers could be 'true' or 'false' without actually being a proper 'true or false' question, but when talking of blennies, it makes a pretty good case. The answer of course is "A"; the triplefins are one of six families of true blennies, unlike, let's say the Vivaparous blenny, which is not a blenny at all (and isn't even vivaparous) , and would informally be considered a false blenny —what a poser. So what exactly are blennies? What makes a blenny true? How many species are ...

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