Price on InquiryAppearance: They possess a thick, oval body with a deep, metallic sheen and, often, a distinctive dark "eye-spot" on the tail base, similar to wild-type, to confuse predators. Temperament: Semi-aggressive and territorial, especially when breeding or crowded, but highly intelligent. Size: They grow quickly to 10–14 inches ( ). Tank Requirements: Minimum of 55 gallons for a single fish, but larger tanks (75–100+ gallons) are highly recommended for adults to handle their high bio-load. Water Conditions: Thrives in temperatures of ( ), a pH of , and soft-to-medium water hardness ( ). Diet: Omnivorous. They thrive on a diet of pellets, bloodworms, live food, and frozen foods. Behavior: Known to rearrange tank décor and often keep their own species as best tankmates.