South America: Lake Maracaibo basin including lake itself (along southwest shore) and Apon, Santa Ana, Catatumbo, Escalante and de Los Pajaros River basins
Definition: length of a fish measured from the tip of the snout to the posterior end of the last vertebra or to the posterior end of the midlateral portion of the hypural plate. Simply put, this measurement excludes the length of the caudal fin