Tinfoil Barb

The Tinfoil Barb is a large, fast-swimming freshwater fish known for its shiny, metallic silver body that resembles polished tin foil—hence the name. Accented with red or orange fins edged in black, this species is native to Southeast Asia and is highly active and social. Due to its size and schooling nature, it is best suited for large aquariums.

Tinfoil Barb (Barbonymus schwanenfeldii) – Complete Care Guide Description The Tinfoil Barb is a large, fast-swimming freshwater fish known for its shiny, metallic silver body that resembles polished tin foil—hence the name. Accented with red or orange fins edged in black, this species is native to Southeast Asia and is highly active and social. Due to its size and schooling nature, it is best suited for large aquariums. Water Parameters Temperature: 22°C – 28°C pH: 6.5 – 7.5 Hardness: 5 – 15 dGH Tank Size: Minimum 75–125 gallons (larger for groups) Water Type: Soft to moderately hard, clean and well-oxygenated Stable parameters and high oxygen levels are important for their activity level. Care & Maintenance Tinfoil Barbs are hardy but require space and good maintenance: Keep in groups of at least 5–6 to reduce stress Provide a large tank with open swimming space Use strong filtration and good aeration Perform regular water changes (25–40% weekly) Use secure lids, as they are powerful jumpers They may nibble on plants, so choose hardy species or artificial décor. Behaviour & Temperament This species is peaceful but very active: Schooling fish that thrive in groups Non-aggressive but may intimidate smaller fish due to size and speed Constant swimmers, requiring ample space Occupies the middle and upper tank levels They are ideal for large community tanks with similarly sized fish. Suitable Tank Mates Best paired with medium to large, active fish: Silver Dollars Bala Sharks Larger Barbs Rainbowfish Peaceful cichlids Tank mates should match their size and activity level. Tank Mates to Avoid Avoid small or delicate fish: Neon Tetras, Rasboras Guppies and small livebearers Slow-moving or long-finned fish Very aggressive species These may be stressed, outcompeted, or accidentally harmed. Pro Tips Always keep in groups to prevent stress and erratic behavior Provide a high-quality varied diet (flakes, pellets, vegetables, occasional protein) Ensure ample swimming space—they grow up to 12–14 inches Use strong filtration and aeration for optimal health Keep tank well-covered to prevent jumping Ideal for large community or semi-aggressive aquariums The Tinfoil Barb is a beautiful, energetic schooling fish that brings life and movement to large aquariums. With proper space and compatible tank mates, it becomes a stunning addition to any big freshwater setup.