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The Golden Wonder Killifish (Aplocheilus lineatus) is a captivating and relatively hardy freshwater fish, celebrated for its shimmering, golden-yellow coloration and elegant, elongated body. Originating from India and Sri Lanka, these surface-dwelling predators are characterized by their upturned mouths, perfectly adapted for snatching insects from the water's surface. Males typically display more vibrant hues and may develop slightly longer fin extensions than females. Reaching an average size of 3-4 inches, they are a fantastic choice for aquarists looking for a visually striking yet manageable species. Golden Wonder Killifish are generally peaceful but can be predatory towards very small fish or fry, making them suitable tankmates for similarly sized, robust species. They thrive in well-established aquariums with plenty of surface cover from floating plants, a tight-fitting lid to prevent jumping, and a diet rich in protein, including high-quality flakes, pellets, and live or frozen foods like bloodworms and brine shrimp. With their active swimming patterns and brilliant appearance, Golden Wonder Killifish are truly a 'golden wonder' for any community aquarium.

Color morph of Striped Panchax. Top-dwelling predator.