Gold Barb — Fish Profile
Puntius semifasciolatus
Quick Specs
| Adult Size: | 3.0" |
| Temperament: | peaceful |
| Care Level: | beginner |
| Min Tank Size: | 20 gallons |
| Temperature: | 64-77°F |
| pH Range: | 6.0-8.0 |
| Diet: | omnivore |
| Origin: | Southeast Asia (China, Vietnam) |
| Lifespan: | 5-7 years |
Overview
Gold Barbs are hardy, golden-yellow fish with greenish-black speckling on their bodies. They are one of the most peaceful barb species, making them excellent community fish. Males develop a more intense golden color with reddish fins when breeding. They tolerate cooler temperatures better than most tropical fish.
Care Guide for Gold Barb
Tank Setup
Gold Barb requires a minimum tank size of 20 gallons. Maintain water temperature between 64°F and 77°F, with a pH range of 6.0 to 8.0. A properly sized tank with adequate filtration and regular water changes is essential for long-term health. When housing Gold Barb with other species, always choose a tank size that accommodates the most demanding fish in the community.
Feeding
Gold Barb is a omnivore feeder. Provide a varied diet appropriate for omnivore species to ensure optimal health and coloration. Feed small portions 2–3 times daily, and remove uneaten food after a few minutes to maintain water quality.
Temperament & Compatibility
This species is classified as peaceful. Gold Barb reaches an adult size of 3.0 inches and has a care level of beginner. Always research compatibility before adding new fish to an established aquarium. Individual temperament can vary, so monitor new introductions closely for the first 48 hours.
Origin & Lifespan
Gold Barb originates from Southeast Asia (China, Vietnam) and has an expected lifespan of 5-7 years when kept in proper water conditions with appropriate tank mates and diet.
Compatible Tank Mates
🟢 Good Tank Mates
🟡 Caution Tank Mates
Compatibility Results for Gold Barb
All 69 compatibility checks involving Gold Barb:
Recommended for Gold Barb
Omega One Freshwater Flakes — $9.99High-quality flake food for community barbs
Expert Care Tips for Gold Barb
- Mid-size tank: Gold Barb needs 20+ gallons. Choose a tank at least 2× as long as the fish's adult size (3.0") for adequate swimming room.
- Cool-water species: Gold Barb tolerates temperatures as low as 64°F. In most homes, no heater is needed, but watch for summer overheating above 77°F.
- Adaptable pH range: Gold Barb accepts pH 6.0–8.0. Most tap water falls within this range, but always test and acclimate slowly.
- Peaceful community fish: Gold Barb works well in community tanks. Still, avoid housing with fish large enough to eat them — a 3.0" fish is vulnerable to anything with a mouth bigger than 2×.
- Acclimation: Always drip-acclimate Gold Barb over 30–45 minutes. Match temperature and pH gradually to prevent osmotic shock.