© Dirk Godlinski / CC BY-SA 3.0Peacock Gudgeon
The Peacock Gudgeon is a small goby-like fish prized for the shimmering blue spots scattered across its body, reminiscent of a peacock's feathers. Reaching just 5-7cm as an adult, it stays compact while offering a calm temperament that suits both species tanks and peaceful community setups. It tends to stay out in the open rather than hiding, making it a rewarding fish to watch day to day. Given the right conditions, pairs will also breed readily, letting keepers observe courtship, egg care, and fry development firsthand. It accepts frozen and prepared foods without fuss, and its beginner-friendly care requirements make it approachable for newer aquarists. With a lifespan of around 3-5 years, it can be a long-term companion in a home aquarium.
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Apply as a breederPeacock Gudgeon key facts
- Care level
- Beginner-friendly
- Lifespan
- 3-5 years
- Size
- 5-7cm
- Temperature
- 24〜28℃
- Diet
- Frozen food, Pellets
- Water
- Slightly acidic to neutral (pH 6.5-7.5)
- Water Temperature & Quality
- Maintain 24-28°C. Keep the water slightly acidic to neutral and avoid sudden changes to maintain stable conditions.
- Housing
- It prefers fine substrate and a layout rich in shelters such as rockwork and driftwood. Bottom-dwelling, but it also swims mid-water.
- Diet & Feeding
- Strongly carnivorous, favouring frozen bloodworms, brine shrimp and small live foods. It will take dry food once trained, but meaty foods boost colour.
- Breeding & Egg-laying
- A pair will show breeding behaviour. It is a cave spawner, laying in holes in driftwood, and the male guards the eggs and fry.
- Notes
- Peaceful, compatible with planted tanks
About Peacock Gudgeon
Peacock Gudgeon: a small, peacock-patterned freshwater goby with a calm temperament, great for community tanks. Beginner-friendly, 5-7cm, lives 3-5 years.
7 things to know before welcoming a Peacock Gudgeon
1Tank Size and Hiding Spots
Since adults reach only about 5-7cm, this species can be comfortably kept in a relatively compact tank. Providing driftwood or rockwork for cover helps it feel secure and settle in well.
2Calm, Community-Friendly Temperament
Known for its peaceful nature, it rarely bothers other small fish, making it easy to add to a community tank. It also does well kept alone, where its striking pattern can be admired up close.
3Feeds on Frozen and Prepared Foods
It readily accepts frozen and prepared foods, so there's usually no need for live food. Feeding small amounts several times a day while keeping nutrition balanced works well.
4Breeding Is Achievable in Pairs
Given suitable conditions, pairs may spawn naturally within the tank. Eggs are laid in sheltered spots, and watching the parents tend to them is one of the pleasures of keeping this species.
5Beginner-Friendly Care Level
This species is considered beginner-friendly, making it approachable even for those new to fishkeeping. Consistent, basic water quality maintenance is key to keeping it healthy long-term.
6Planning for Its Lifespan
With a lifespan of around 3-5 years, this is a fish you'll be caring for over several years. Before bringing one home, make sure you have a stable spot for the tank and can commit to ongoing daily care.
7Individual Variation in Markings
The peacock-like blue spotting varies in intensity and spread from one individual to another. Comparing these subtle differences can be part of the fun when choosing your fish.
Frequently asked questions about Peacock Gudgeon
- Q.Is the Peacock Gudgeon suitable for beginners?
- A.Yes, this species is considered beginner-friendly. As long as you maintain basic water quality, it's an approachable choice even for first-time fishkeepers.
- Q.Can it be kept with other fish?
- A.Its calm temperament makes it well-suited to a community tank with other small fish of similar size. It also thrives when kept alone.
- Q.How big does it grow?
- A.It's a small species, reaching only about 5-7cm as an adult, which makes it manageable even in a relatively compact tank.
- Q.Will it breed in a home aquarium?
- A.Given suitable conditions, pairs may spawn within the tank. Observing the care of eggs and fry is one of the appeals of keeping this species.
- Q.What should I feed it?
- A.It readily eats frozen and prepared foods, so there's no need for special live food — it's easy to incorporate into a regular feeding routine.
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