Yellow Tailed Flagtail Barb Semaprochilodus Insignis 10cm

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Yellow Tailed Flagtail Barb Scientific Name: Semaprochilodus insignis Common Names: Yellow Tailed Flagtail, Flagtail Prochilodus, Yellow Tail Prochilodus Overview The Yellow Tailed Flagtail Barb is a striking freshwater fish distinguished by its shiny silver body and boldly striped yellow and black tail fin. A color variation of Semaprochilodus insignis, this impressive species is native to the Amazon and Orinoco river basins. Peaceful but energetic, it thrives in large, well-oxygenated aquariums with plenty of swimming room. Like its red-tailed relatives, it is a hardy grazer and an excellent addition to big, river-themed tanks. Key Information Size: Up to 12 inches (30 cm) Lifespan: 8–10 years or more Temperament: Peaceful, active swimmer Diet: Primarily herbivore and detritivore Swimming Level: Mid to bottom Habitat & Tank Setup Tank Size: Minimum 125 gallons (larger recommended for adults) Group Size: Can be kept singly but prefer small groups (3–6) Substrate: Sand or smooth gravel Decor: Large driftwood, smooth stones, plenty of open space Plants: Tough or floating plants (may nibble delicate plants) Lighting: Moderate to bright Filtration: Strong filtration and high oxygenation; moderate water current preferred Water Parameters Temperature: 75–82°F (24–28°C) pH: 6.0–7.5 Hardness: Soft to moderately hard (3–12 dGH) Water Quality: Excellent water quality critical due to size and active behavior Feeding Diet Type: Primarily herbivore Suitable Foods: Algae wafers, spirulina flakes Blanched vegetables (spinach, peas, zucchini) Occasional frozen foods (bloodworms) for variety Feeding Frequency: 1–2 times daily; offer small meals to prevent water fouling Tankmates Compatible With: Large peaceful fish (silver dollars, peaceful cichlids, bala sharks) Other Flagtails or large characins Avoid: Very small fish that could be stressed by their activity Aggressive fish that may harass them Care Notes Excellent jumpers — secure, tight-fitting tank lid is required Will constantly graze surfaces for algae and biofilm Needs plenty of swimming space and moderate water movement Social behavior is more natural when kept in groups Juveniles are more tolerant of tankmates; adults need more space Fun Fact Yellow Tailed Flagtail Barbs are important in their natural ecosystem for algae control and nutrient cycling, playing a key role in the health of the Amazon’s vast floodplain waters!

Above images for illustration purposes only. Exact colours, patterns, and size may vary between individuals.

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