The blacknose dace is either of two
ray-finned fish
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species.
The ray-finned fishes are so called because their fins are webs of skin supported by bony or hor ...
species:
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Eastern blacknose dace
Eastern blacknose dace (''Rhinichthys atratulus'') is a species of ray-finned fish in the genus ''Rhinichthys''. Its name originates from the Old French word "dars" which is the nominative form of the word "dart" in reference to their swimming pat ...
, ''Rhinichthys atratulus''
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Western blacknose dace, ''Rhinichthys obtusus''
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