Peacock Gudgeon: Care, Tank Mates & Breeding

Peacock gudgeon

Are you looking for a colorful addition to your aquarium? Look no further than the Peacock Gudgeon.

These small, vibrant fish are native to Australia and make delightful pets for those who enjoy watching their aquatic friends swim about.

Peacock Gudgeons have an appealing appearance and are simple to care for. They don’t need complex conditions and get on well with plenty of other species.

In this article, we’ll cover everything you need to know about caring for these stunning fish, from selecting the perfect tank mates to breeding tips.

So sit back, relax, and let’s dive into the world of Peacock Gudgeons!

Scientific Classification

Scientific Name: Tateurndina ocellicauda
Common Names: One-Eyed Sleeper Goby, Peacock Goby, Peacock Gudgeon
Genus: Tateurndina
Family: Eleotridae

Species Overview

Peacock Gudgeon is a small freshwater fish that has gained popularity among aquarium enthusiasts.

They are native to Papua New Guinea and inhabit slow-moving streams and swamps with dense vegetation.

Nowadays, many of the Peacock Gudgeons found in fish stores are bred in captivity, making them quite popular in the fish-keeping community.

As their name implies, they boast a colorful appearance reminiscent of a peacock’s feathers!

Peacock Gudgeons are fascinating creatures that make charming additions to any aquarist’s collection!

Lifespan Of Peacock Gudgeons


So, how long can we expect our Peacock Gudgeons to live?

Well, the average lifespan of these vibrant little fish is between 4 and 5 years in captivity. However, this isn’t set in stone, as several factors affect their longevity.

One of the most important factors for a healthy and long-lasting life for Peacock Gudgeons is maintaining good water quality.

Poor water conditions can significantly shorten their lifespan and lead to diseases like fin rot or ich.

Additionally, providing a balanced diet, proper tank size, and appropriate tank mates can also contribute to extending their lifespan.

Peacock Gudgeons’ lifespan falls within the same range compared to other species of fish commonly kept in aquariums, such as tetras or guppies.

Therefore, it’s essential to stay committed to maintaining their tanks with regular water changes and monitoring levels regularly!

It’s crucial to understand that while the average lifespan estimates what we can expect from our beloved pets, every individual lives differently based on various factors affecting them uniquely.

So let’s focus on giving them optimal living conditions so they may enjoy their time swimming around joyfully!

Appearance And Notable Features

Peacock Gudgeons are easily recognizable due to their distinct physical features. They have slender and elongated bodies covered in vibrant colors ranging from blue-green to yellow-orange.

Color variations may differ based on the sex of the fish, with males usually displaying brighter hues than females.

These fish also boast distinctive fins that make them stand out even more. The dorsal fin, for instance, starts at the head and runs down toward the caudal fin.

Apart from these notable features, Peacock Gudgeons display fascinating behavior patterns during mating rituals.

During courtship, males perform elaborate dances around females by flaring their fins and spreading their gill covers wide open.

Size And Growth

The Peacock Gudgeon is typically about three inches in length. Female specimens, however, rarely exceed two and a half inches.

Watching your Peacock Gudgeon grow is a rewarding experience for any fish keeper.

Understanding their growth rate, feeding habits, and environmental factors will help you ensure that they thrive in your care.

Peacock Gudgeons typically have a slow but steady growth rate, reaching maturity between 6 to 8 months of age.

Providing them with a nutritious diet of high-quality pellets or frozen foods like brine shrimp and bloodworms can promote healthy growth. It’s important not to overfeed them as this can lead to obesity and health issues.

Additionally, maintaining optimal water conditions such as pH levels around 7.0 and temperatures ranging from 72°F to 79°F can aid their development.

By keeping up with these essential factors, you’ll be able to witness the vibrant colors of your Peacock Gudgeon intensify as they continue to flourish under your care!

Environmental factors play an integral role in promoting the growth and well-being of your Peacock Gudgeon.

These fish prefer soft, slightly acidic water with plenty of plants and hiding spots within their tank. Keeping the lighting moderate and providing adequate filtration will also create a healthy environment for them to grow.

Necessary Care For Peacock Gudgeons

It’s important to feed them high-quality food that contains plenty of protein. Feeding habits are just one aspect of necessary care for Peacock Gudgeons.

Tank decor is also essential for creating the right environment for these fish. Be sure to include plenty of hiding places, such as caves or rocks, as well as plants and other decorations that provide cover.

As far as water changes go, it’s recommended that you change around 25% of the tank water every week to keep levels stable and prevent any harmful chemical imbalances from developing over time.

Ideal Tank Size For Peacock Gudgeons

Peacock Gudgeons are small freshwater fish that don’t require a lot of space. The minimum tank size recommended for these little guys is 15 gallons, but you can always go bigger if you want to add more decorations or other fish species.

When choosing a tank for your Peacock Gudgeon, remember the importance of proper water filtration and stocking levels.

Tank decorations are essential when setting up a home for your Peacock Gudgeons.

These fish enjoy hiding places like caves, plants, and driftwood, so include these elements in your aquarium setup.

Filtration options will depend on the size of your tank and its inhabitants. If you keep just one or two Peacock Gudgeons, you’ll need a filter designed specifically for smaller tanks.

And finally, make sure not to overstock your aquarium!

Too many fish in too small of a space can lead to poor water quality and stressed-out fish.

Water Parameters For Peacock Gudgeons

Imagine a crystal-clear aquarium filled with vibrant aquatic plants and colorful fish darting around. Your Peacock Gudgeons happily swim in their tank setup, but what keeps them thriving? The answer is water quality!

Maintaining the right pH levels is crucial for your little guys to remain healthy and happy. Here are four things you should know about water parameters when caring for Peacock Gudgeons:

  1. PH Levels: Maintaining stable pH levels between 6.0 to 7.8 (around 7.0 is ideal) is essential for these fish’s well-being.
  2. Hardness: Water hardness should be maintained at 5-12 dKH.
  3. Temperature: Keep the temperature of the water between 72°F to 79°F, which replicates their native environment.
  4. Testing: Regular testing of water parameters is necessary as freshwater tanks’ shifts can occur without notice.

It’s vital to maintain a consistent and balanced environment in any aquarium setup, keeping an eye on the pH level as it significantly affects the overall health of your Peacock Gudgeon.

Remember that stability is key – sudden changes in water parameters may lead to stress and illness among your fish population.

Ensure you regularly check pH levels and other critical factors such as ammonia and nitrite levels to keep everything under control!

Habitat Requirements For Peacock Gudgeons

Creating the ideal habitat for your Peacock Gudgeons is crucial to their health and happiness.

The first step in aquarium setup is selecting a suitable substrate option. These fish prefer sandy or fine-grained substrates that mimic their natural environment. Avoid coarse gravel, which can scratch their delicate skin and cause injury.

Once you have selected the right substrate, it’s time to add some decorations. Rocks, driftwood, and plants are all excellent options to include in your tank.

Not only do these items provide hiding places for your fish, but they also create a beautiful aesthetic that mimics the Peacock Gudgeon’s native habitat.

Be sure to choose safe decorations that won’t leach toxins into the water or harm your fish in any way.

Incorporating these key elements into your Peacock Gudgeon’s habitat will help ensure they live long, healthy lives.

By providing them with a suitable substrate option and plenty of decorations, you can recreate their natural environment while adding beauty to your home.

Remember to keep up with regular maintenance tasks such as water changes and filter cleaning to keep nitrates low and promote optimal health for these lovable little fish!

Common Diseases And How To Treat Them

Diseases are a common occurrence in all fish, including Peacock Gudgeons.

Preventive measures must be taken to ensure their good health and well-being. One effective way is by maintaining aquarium hygiene.

Regular water changes, filter cleaning, and substrate siphoning can help prevent the spread of diseases.

If your Peacock Gudgeon contracts an illness, medication options are available for treatment.

Copper-based medicines are suitable for Ich, while hole-in-head disease requires antibiotics.

Parasitic infections such as worms and flukes require specialized medications that eradicate them without harming the fish.

It’s essential to seek guidance from a veterinarian or an experienced aquatic specialist before administering any medication to avoid further complications.

Diet And Feeding Requirements For Peacock Gudgeons

When it comes to feeding habits, Peacock Gudgeons can be quite picky. They prefer live or frozen snacks over high-quality dried food, making feeding them challenging for some aquarists.

However, providing the right nutritional requirements is essential to keep these fish healthy and vibrant.

To ensure your Peacock Gudgeons get all their nutrients, consider offering various food options such as brine shrimp, bloodworms, daphnia, and more.

These foods contain the necessary protein and vitamins that will help maintain their health and vitality.

It’s also important to note that overfeeding should be avoided as it can lead to obesity and other health problems in these fish.

Therefore, feed them small amounts several times throughout the day rather than one large meal.

In summary, meeting the nutritional needs of Peacock Gudgeons requires an understanding of their feeding habits and preferences.

While they may be picky eaters regarding dry food, offering a range of live or frozen snacks can provide them with the required nutrition.

Avoid overfeeding and offer smaller meals regularly throughout the day for optimal results.

Temperament And General Behavior Of Peacock Gudgeons


Peacock Gudgeons are known for their peaceful temperament and generally good behavior.

These little fish are social creatures and thrive in groups of 6 to 8 individuals. While they can be kept as a single pair, keeping them with others is best to promote healthy behavioral patterns.

Regarding social interactions, these fish get along well with non-aggressive species that are similar in size.

However, males may exhibit territorial tendencies towards each other within the group. Providing plenty of hiding places and plants for the fish to explore and play with is important, which can help reduce aggression among males.

Overall, if you’re looking for a fascinating, easy-to-care-for species to watch, Peacock Gudgeons are a great choice!

Compatible Tank Mates For Peacock Gudgeons

Now that we have a good understanding of the temperament and general behavior of Peacock Gudgeons let’s move on to their compatibility with other fish in a community tank.

As mentioned before, these little fish are naturally peaceful and prefer calm environments. Therefore, it is essential to choose tank mates who share similar temperaments.

Luckily, plenty of peaceful options are available for those looking to create a tranquil community tank.

Some great choices include Cory Catfish, Ember Tetras (or other Tetras), Kuhli Loaches, Bumblebee Gobies, Celestial Pearl Danios, Harlequin Rasboras, Apistogrammas, or Cherry Barbs.

These species coexist well with Peacock Gudgeons as they do not exhibit any aggressive tendencies towards them.

However, watching your fish during feeding times is always important to ensure everyone is getting their fair share.

When considering more aggressive options such as Cichlids or larger predatory fish, caution should be taken as they may see the smaller gudgeons as potential prey or territorial threats.

It’s best to avoid these types of fish altogether to maintain a harmonious community tank environment with your Peacock Gudgeons at ease.

Always remember that creating a thriving community tank requires careful planning and research into which species will thrive together without causing harm or undue stress upon one another.

Breeding Peacock Gudgeons And Raising Fry

Breeding Peacock Gudgeons is an exciting experience that any aquarist would love to undertake.

Breeding techniques involve identifying a pair from a group of fish and moving them to a separate breeding tank for safety. Once they have bonded, the female will lay eggs on a surface such as leaves or rocks in the tank.

It takes about 8 to 10 days for the eggs to hatch, and keeping a close eye on them during this time is important.

Parental behavior plays a crucial role in fry care, as male and female gudgeons guard the eggs and newly hatched fry until they can swim freely.

As soon as the fry starts swimming around, you should give them small amounts of food several times throughout the day.

Your peacock gudgeon fry will grow into healthy adults with stunning colors with proper care and attention!


In conclusion, Peacock Gudgeons are a great addition to any aquarium due to their beautiful appearance and peaceful nature.

Their lifespan can vary depending on the quality of care provided, but they can live up to five years with proper attention.

These fish require specific conditions such as warm water, plenty of hiding places, and a balanced diet of dry and frozen foods.

If you’re looking for tank mates that won’t cause any trouble, consider pairing your Peacock Gudgeon with other small and peaceful fish like Neon Tetras or Ghost Shrimp Shrimp.

If breeding interests you, be sure to follow the necessary steps to give your fry the best chance at survival.

Caring for these little gems is easy once you have all the information needed – so why not add some color and tranquility to your aquarium by including some Peacock Gudgeons?