Auchenionchus is a genus of labrisomid blennies endemic to the Pacific waters off of Chile.
Species Auchenionchus contains these currently recognized species: Auchenionchus crinitus (Jenyns, 1841) Auchenionchus microcirrhis (Valenciennes, 1836) Auchenionchus variolosus (Valenciennes, 1836)
Etymology The generic name is a compound of the Greek meaning "neck" or "nape" and meaning "tubercle" or "protuberance", this is presumed to refer to the tiny nuchal tentacle of the type species.
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