The Apistogramma sp. “Opal” is a beautiful dwarf cichlid known for its shimmering blue, purple, and opalescent coloration. This striking fish is popular among aquarists who keep planted aquariums and South American biotope tanks because of its vibrant colors and interesting breeding behavior. Scientific Name: Apistogramma sp. “Opal” Temperament: Semi-aggressive (especially when breeding) Diet: Small pellets, frozen foods, live foods, and quality flakes Minimum Tank Size: 20 gallons Temperature: 74–82°F (23–28°C) pH: 5.5–7.0 Adult Size: 2–3 inches Behavior: Apistogramma Opal are territorial dwarf cichlids that prefer aquariums with plants, driftwood, leaf litter, and caves. Males display brighter colors and longer fins, while females stay smaller and guard eggs and fry aggressively during breeding. Notes: Assortment includes a mix of colors and patterns; Exact colors and markings will vary; Stock photo used; fish received may differ.