The Opaline Gourami, also known as the Marbled Gourami or Three Spot Gourami, is a popular freshwater fish species belonging to the Gourami family (Osphronemidae). Here’s some information about the Opaline Gourami:
Appearance: Opaline Gouramis are known for their beautiful, iridescent scales that give them a pearlescent appearance, resembling opals. They typically have elongated bodies with dorsal and anal fins that may be extended or elaborate in some individuals. The body coloration of Opaline Gouramis can vary from pale blue to silver with hints of pink or peach, and they often display dark vertical stripes or mottling patterns.
Size: Opaline Gouramis are relatively large compared to some other Gourami species, typically reaching lengths of around 4 to 6 inches (10 to 15 centimeters) when fully grown.
Temperament: Opaline Gouramis generally have peaceful temperaments, although males may become territorial, especially during breeding periods. They can be kept in community aquariums with other peaceful fish species, but tankmates should be chosen carefully to avoid aggression.
Aquarium Setup: Opaline Gouramis appreciate well-planted aquariums with plenty of hiding spots and areas for exploration. They thrive in environments with gentle water movement and subdued lighting. A tank size of at least 20 gallons is recommended for a single Opaline Gourami or a pair.
Water Parameters: Opaline Gouramis prefer slightly acidic to neutral water conditions with a pH range of 6.0 to 7.5 and a temperature range of 72-82°F (22-28°C). Regular water changes and good filtration are essential for their health and well-being.
Diet: Opaline Gouramis are omnivorous and accept a varied diet. They can be fed high-quality flake or pellet food supplemented with live or frozen foods like brine shrimp, bloodworms, daphnia, and other small invertebrates. A diverse diet helps maintain their health and coloration.
Health and Care: Opaline Gouramis are generally hardy and easy to care for, making them suitable for beginner and experienced aquarists alike. However, they are susceptible to common fish diseases like Ich and fungal infections, so maintaining good water quality, proper nutrition, and regular tank maintenance are essential for their well-being.
Overall, Opaline Gouramis are prized for their stunning appearance, peaceful nature, and interesting behaviors, making them popular additions to freshwater community aquariums. With proper care and attention to their specific requirements, Opaline Gouramis can thrive and provide an engaging and colorful display in your aquarium.