This book is aimed at disseminating the use of the vinegar eel (Turbatrix aceti) as live food for larvae of aquatic species of productive interest. It is aimed at small producers, artisans or aquarists who wish to implement feeding or supplementation alternatives for their fish larvae, through the compilation of basic information on the species and the production experience carried out at the Ornamental Fish Ichthyology Laboratory of the National University of Colombia - Bogotá Branch by means of the standardization of production and collection protocols.