The Severum (Heros efasciatus) has been a mainstay in the aquarium hobby for decades. They grow large enough to act as centerpieces, but they are not tank-busters, and they come in a variety of color patterns. Severum have a very elaborate body color, ranging from green to blue to red depending on light and mood. These ones in particular are a man-made variant that vary in color from green to turquoise. They are typically peaceful, though aggression will surface if pairs form.
The Severum your will receive will be approximately 2” in size. 
Scientific Name: Heros efasciatus
Common Name: Red Spotted Severum
Max Size: 8"
pH: 6.0-7.5
Hardness: Soft
Temperature: 70-84°
Aggressiveness: Semi-Aggressive
Region of Origin: South America
Captive Bred or Wild: Captive Bred
Diet: Flake or pellet, frozen and live food
Compatibility: Medium schooling fish, similarly koi