Quick Overview The Forktail Rainbowfish (Pseudomugil furcatus), also known as the Forktail Blue-eye, is a captivating and energetic species native to the rainforest streams of Papua New Guinea. They are easily identified by their striking neon blue eyes, bright yellow fin edges, and the deeply forked tail that gives them their name. Males frequently engage in harmless, entertaining sparring matches, flaring their fins to show off their best colors to females. Because they are constantly on the move, they bring fantastic life and motion to the top and mid-levels of a freshwater aquarium.
Tank Requirements & Local Care Tips
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Care Level: Beginner to Intermediate
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Minimum Tank Size: 20 Gallons (As highly active swimmers, they need plenty of horizontal swimming space; must be kept in schools of 6 or more)
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Water Temperature: 24°C to 27°C
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Temperament: Peaceful but energetic (Excellent with peaceful tetras, corydoras, and dwarf cichlids; their high energy might stress out very shy or slow-moving fish)
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Bacolod Hobbyist Tip: Because these fish naturally originate from flowing rainforest streams, they thrive in well-oxygenated water with a moderate current. In our warm Bacolod climate, ensuring good surface agitation not only keeps the water highly oxygenated for them but also helps regulate your tank’s temperature. Drop by our shop to check out quality sponge filters, powerheads, and a beautiful, locally acclimated school of Forktail Rainbowfish!
