Range Description

Pomacea effusa glauca is found in the Dominican Republic, Lesser Antilles, and northern South America from Bolivia, Colombia and Venezuela through Guyana, Suriname and French Guiana (Perera and Walls 1996). It is unknown whether this species spreads further south into the Amazon (Perera and Walls 1996). It has also been recorded in Trinidad, Grenada, Guadaloupe, and Martinique (Cowie and Thiengo 2003).

Pomacea effusa cumingi is found in Chiapas, Mexico and Panama (Ghesquiere 2007).