Juan Calle - Fresh water stingrays of Colombia
NAME: Juan Calle
WEB: www.onikaizer.deviantart.com, www.liberumdonum.com
TITLE: Fresh water stingrays of Colombia
DESCRIPTON: This comparative poster show different species of stingrays from the Amazon and Magdalena rivers' basins. Coloration varies generally from juveniles to adults, with spots getting smaller as they grow.
WIKIMEDIA COMMONS: No