…ratch the surface, but there are numerous links to family-level ray-finned fish accounts. ( ‘Fishes’ is used interchangeably with ‘ray-finned fishes’ and 'actinopterygians' from this point forward ). Geographic Range Ray-finned fishes inhabit a variety of extreme environments. Th…

… them (Fig. 1). We also provide for the first time a monophyletic definition of Perciformes, sinking into this clade components of Scorpaeniformes, Gasterosteiformes, and Cottiformes (Fig. 10; see also 16 , 74 ). Among the euacanthomorphs, we find the non-monophyly of Beryciforme…