This fish is a Forktail Blue-Eye Rainbowfish, scientifically known as Pseudomugil furcatus. It is a very popular, small freshwater fish highly loved by aquarium hobbyists for its vibrant colors and lively behavior.
Key Characteristics
- Appearance: They are famous for their bright, glowing blue eyes and a silvery body. Their striking yellow fins stand out vividly against dark tank backgrounds. [1, 2, 3]
- Size: They are tiny nano fish, usually growing to a maximum size of about 2 inches (5 cm) long. [1]
- Behavior: These fish are active, peaceful schooling fish. They love to swim together in groups and do best when kept in a school of six or more. [1, 2]
- Habitat: They are native to the clear, slow-moving rainforest streams of eastern Papua New Guinea. In an aquarium, they thrive in well-planted environments with open areas to zoom around. [1, 2, 3, 4]