© 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. With driftwood or rockwork for cover it settles in calmly, and you can enjoy watching it swim from the bottom up into the mid-water every day. Given the right conditions, pairs can also breed, letting keepers watch the male guard the eggs and fry. It can be fed frozen foods such as bloodworms as well as prepared foods, and it prefers animal-based food. Its care requirements are considered beginner-friendly. With a lifespan of around 3-5 years, it can be a long-term companion in a home aquarium.
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- 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.
3Animal-Based Frozen Foods Are the Staple
It is strongly carnivorous and favors frozen bloodworms, brine shrimp, and small live foods. It will also take prepared foods once accustomed to them, but animal-based foods help bring out its colors. Feeding small amounts several times a day works well.
4Breeding Is Achievable in Pairs
Keeping a pair of the same species lets you observe breeding behavior. Eggs are laid in cave-like spots such as holes in driftwood, and watching the male guard the eggs and fry 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 is strongly carnivorous and favors frozen foods such as bloodworms and brine shrimp, as well as small live foods. It will also eat prepared foods once accustomed to them, but animal-based foods help bring out its colors.
Useful tools for Peacock Gudgeon care
Learn more about Peacock Gudgeon in the encyclopedia
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Care difficulty, lifespan, size and diet — all basics covered.
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