ParaGuay Tetra

The Paraguay tetra, also known as the dawn tetra or panda tetra comes from the Rio Paraguay basin in Paraguay and Brazil. 

They are a semi-aggressive species of tetra that should not be kept with other slower moving fish, or fish with large tails and fins. They do best in a large group of their own species.
Silver body with black markings on dorsal, caudal fins and eye
Two white spots on the tail
Shoaling species, prefers to be kept in large groups
Energetic and active swimmers 
Care level: Beginner
Grows up to 4cm
The Paraguay Tetra does best in larger groups of at least 10 or more of their own species. Naturally they are found in schools within the hundreds. The can be known to be a semi-aggressive species and do best in a single species aquarium. However, with the right conditions, ample space and places to hide, some species can be kept together.