The silver dollar is native to South America (Galib and Mohsin, 2011). This species was imported in Bangladesh from Thailand and Singapore (Galib and Mohsin, 2010 and 2011). This species was recorded from several aquarium shops of Dhaka and Khulna
Exotic fishes of Bangladesh: Amazon sailfin catfish, Pterygoplichthys pardalis
This catfish is native to South America. Though this fish was introduced for ornamental purpose but at present they have established themselves into the different natural waterbodies of Bangladesh. This is an extremely hardy species. Systematic position Phylum: Chordata Class: