Black Ruby Barb (Pethia nigrofasciata)

The Black Ruby Barb (Pethia nigrofasciata) is a tropical freshwater fish native to Sri Lanka, known for its vibrant coloration and playful behavior. Mature males exhibit a striking ruby red head and body, with black fins, while females are more subdued in color with three vertical black stripes. They are generally peaceful and hardy, making them a good choice for community aquariums.