The Callistus tetra, also known as the Serpae tetra, is a small, tropical freshwater fish native to the Amazon River drainage. It’s a popular aquarium fish, known for its vibrant red coloration and distinctive black spot behind the gills. 

Feeding Type: Omnivore
Group size: 6+
Temperature: 72-79°F (22-26°C)
Max Size: 5cm

*Please verify with Amazonia Aquatics for current availability and pricing. Prices are subject to change.