What is crenilabrus? crenilabrus is crenilabrusWhat is crenilabrus? A genus of fishes, of the section Acanthopterygii and family Labridæ, to which the gilthead or goldenmaid and the goldfinny or goldsinny belong.Род рыб, Секция Acanthopterygii и семьи Labridæ, к которому принадлежат Дорада или goldenmaid и goldfinny goldsinny.