The glass headstander, (Charax gibbosus), is a species of fish in the genus Charax. commonly known as the transparent tetra.
The glass headstander can grow up to 14 cm long and weigh up to 30 grams.
Eucynopotamus gibbosus[1] and Salmo gibbosus are taxonomic synonyms for Charx gibbosus [2] [3]
The glass headstander mainly lives in South America.