Threadfin Rainbowfish (Iriatherina werneri) are delicate, schooling nano fish from New Guinea and Australia, prized for males’ elongated, thread-like fins in iridescent blues, reds, and yellows. These peaceful omnivores add graceful mid-water movement to planted community tanks. Females are plainer but essential for schooling appeal.

Thread Fin Rainbow
₨ 240.00
Key Features
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Males reach 3-5 cm with flowing dorsal/anal fins; short-lived (1-2 years), breed readily in soft water.
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Tiny mouths need finely crushed foods like micro pellets, baby brine shrimp, or algae; plant-safe.
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Prefer groups of 6+ (2M:4F ratio) to reduce stress and display colors on dark substrates.
50 in stock





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