25 Peacock Gudgeon Tank Mates

Selecting the perfect tank mates for your Peacock Gudgeon isn’t a guessing game. Always consider factors like size, behavior, diet, and water parameter requirements. Remember, harmony in your tank contributes to the overall health and happiness of your fish.

by Fabian

Updated: August 31, 2023 / 16 mins read

Fabian is the dedicated Chief Editor at Aquarium Nexus. From a young age, he was captivated by the vibrant world of aquatic life, leading him to accumulate over 20 years of experience in keeping and breeding various fish species. The fulfillment derived from the aquarium hobby has remained a constant throughout Fabian's life. As an expert in the field, he finds great pleasure in imparting his extensive knowledge and personal experiences to both seasoned aficionados and budding enthusiasts.

Zebra Danio

The Zebra Danio, adorned with striking horizontal stripes like a zebra, makes a picture-perfect companion for your Peacock Gudgeon. These fish are known for their hardy nature and peppy vibes.

• Compatibility: 4/5 – They’re generally peaceful but can sometimes show a bit of cheekiness.
• Tank Size: Minimum 10 gallons (around 38 liters)
• Temperature Range: 64-77°F (around 18-25°C)
• Care Level: Very Easy. They’re a hardy breed and don’t demand too much attention.
• Temperament: Fairly peaceful but can be mischievous at times.
• Diet & Feeding: Zebra Danios are omnivores. They will thrive on a diet of flakes, pellets, or frozen foods.
• Adult Size: They grow to just 2 inches (around 5 cm), keeping your tank from feeling overcrowded.

Rummy Nose Tetra

Meet the Rummy Nose Tetra, a beautiful fish species noted for its vibrant red nose.

• Compatibility: 5/5
• Tank Size: 20 gal (75 liters)
• Temperature Range: 75–84°F (24–29°C)
• Care Level: Intermediate
• Temperament: Peaceful
• Diet & Feeding: Omnivore (prefer flake, fresh or frozen food)
• Adult Size: 2.5 inches (6.4 cm)

Despite their delicate appearance, these are robust creatures. They love to swim about in schools, so consider keeping at least six together. With their peaceful nature, they are excellent companions for your Peacock Gudgeon. Remember, they like warm waters and a well-fed diet for their optimal health.

Honey Gourami

The Honey Gourami is a popular choice for peacock gudgeon tank mates. With their tranquil demeanor, they complements the peaceful nature of the peacock gudgeon very well. These stunning fish radiate in varying shades of honey and orange, adding an extra touch of beauty to your tank.

• Compatibility: 4/5
• Tank Size: Minimum of 20 gallons (75 liters)
• Temperature Range: 72-82°F (22-28°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivore, enjoy a mixed diet of flakes, pellets, and live food
• Adult Size: Up to 3 inches (7.5 cm)

Remember to offer enough hiding spots in your tank, Honey Gouramis love exploring their environment. But again, maintain the water quality high for their optimum health.

Glowlight Tetra

The Glowlight Tetra is a small, peaceful fish that adds vibrant colors to any aquarium. Its orange-red stripe contrasts beautifully with its silver body, giving it a “glowing” appearance under the right light.

• Compatibility: 4/5
• Tank Size: 20 gal (76 liters)
• Temperature Range: 72-82 F (22-27 C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivore – Live, frozen, or flake foods
• Adult Size: Up to 2 inches (5cm)

The Glowlight Tetra is perfect for beginner hobbyists due to its hardy nature and vibrant hues. They are compatible with others of their species, Peacock Gudgeons, and other small, peaceful fish. Just ensure to keep them in schools of five or more for optimal happiness. This can create a truly radiant display that will captivate any viewer.

Corydoras Catfish

The Corydoras Catfish is an appealing choice for your Peacock Gudgeon’s tank due to its friendly nature. These little guys, with their armored bodies and whiskered faces, add a charming touch to your aquarium.

Since they are bottom dwellers, they keep your tank neat by gobbling up leftovers. But remember, Corydoras still need their own diet of sinking pellets, bloodworms, or brine shrimp, just to mention a few.

• Compatibility: 4/5
• Tank Size: Minimum 20gal (76 liters)
• Temperature Range: 72-78°F (22-26°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivore; sinking pellets, tubifex, frozen foods, and live foods
• Adult Size: Up to 2.5 inches (6.35 cm)

Ember Tetra

Ember Tetras are pleasing fire-red small fish, commonly sought for their remarkable compatibility with Peacock Gudgeons. These vibrant creatures are gentle and non-aggressive, making them perfect for a co-aquarium environment.

• Compatibility: 5 out of 5
• Tank Size: Minimum 10 gal (40 liters)
• Temperature Range: 68-82°F (20-28°C)
• Care Level: Intermediate
• Temperament: Peaceful and social
• Diet & Feeding: Omnivore, prefers a diet of small live or frozen foods but will accept flakes too
• Adult Size: Up to 0.8 inches (2 cm)

Although Ember Tetras may appear shy initially, they thrive in a school of their own kind, thus enhancing the overall active dynamism of your tank. Ensure you provide an environment rich in plants and hiding spaces, to mimic their natural habitat.

Endler’s Livebearer

Endler’s Livebearer is a captivating species that fills an aquarium with vibrant energy and color.

• Compatibility: 5/5
• Tank Size: Minimum 10 gallons (38 liters)
• Temperature Range: 64 – 84°F (18 – 29°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivore (flakes, live, or frozen food)
• Adult Size: 0.8 – 1.4 inches (2 – 3.5 cm)

The Endler’s Livebearers are playful and love exploring their surroundings. Their peaceful nature keeps the tank serene and allows for cohabitation with a variety of fish types. Keep the tank filled with both plant life and swimming space.

Feed them an omnivorous diet and enjoy this lively addition to your tank. Their hardy constitution makes them an excellent choice for both novice and experienced aquarists.

Neon Tetra

Neon Tetras are prevalent among fish enthusiasts. Their shimmering blue and red colors against a backdrop of green create an enchanting underwater scene. They’re peaceful, making them pleasant tank mates for your Peacock Gudgeon.

• Compatibility: 5 out of 5
• Tank Size: 10 gallons (about 38 liters)
• Temperature Range: 70-81°F (21-27°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivores, enjoying a balanced mix of plant-based and meaty foods.
• Adult Size: small-sized at 1.2 inches (3 centimeters)

Not only are Neon Tetras sociable, but they also keep to themselves, posing no threat to your equally stunning Peacock Gudgeon. Keep a small school of these glowing beauties to add a radiant charm to your tank.

Kuhli Loach

The Kuhli Loach (Pangio kuhlii) is a fish species, often compared to eels, due to their signature elongated bodies. Remarkably shy, these bottom dwellers are best kept with a peaceful cohabitant like the Peacock Gudgeon.

• Compatibility: 5 out of 5
• Tank Size: 20 gal (75 liters)
• Temperature Range: 73-86°F (23-30°C)
• Care Level: Easy to Intermediate
• Temperament: Peaceful and Shy
• Diet & Feeding: Omnivorous, prefers sinking foods due to its nocturnal nature
• Adult Size: up to 4 inches (10 cm)

Given their shyness, a densely planted environment with plenty of hiding spots is optimal. Be careful though, their nocturnal nature might cause them to uproot sensitive plants as they explore their surroundings.

Cherry Shrimp

Cherry Shrimp are vibrant freshwater animals that can add color and life to your Peacock Gudgeon tank. They’re peaceful, making them a great choice for a multi-species aquarium.

• Compatibility: 4 out of 5
• Tank Size: Minimum 5 gal (19 liters)
• Temperature Range: 70-80°F (21-27°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivore, happily feeds on algae and plant matter, but also appreciates occasional treats like brine shrimp.
• Adult Size: 1.5 inches (4 cm)

These shrimps tend to keep to themselves and won’t be bothered by your Peacock Gudgeons. They’re hardy and can adapt well to varying water conditions, making them a pleasant addition to any aquarium. Their low-maintenance nature is a bonus.

Black Neon Tetra

Black Neon Tetras are known for their vivid colors and peaceful nature, making them an ideal companion for Peacock Gudgeons.

• Compatibility: 5 out of 5. Black Neon Tetras are excellent community fish and will coexist beautifully with your Peacock Gudgeons.
• Tank Size: A minimum of 10 gallons (approx. 37.85 liters) is recommended.
• Temperature Range: Ideal conditions fall between 70-81°F (20 – 27°C).
• Care Level: Easy. They can adapt quickly to new environments and do not require elaborate care.
• Temperament: Peaceful. These fish generally do not show aggression toward others in their tank.
• Diet & Feeding: Omnivorous. They have a varied diet, so consider a mix of flake foods, brine shrimp, and daphnia.
• Adult Size: The Black Neon Tetra typically grows up to 1.5 inches (38.1 mm).

Harlequin Rasbora

The Harlequin Rasbora is a brightly colored, easy-to-care-for fish that thrives in community settings with Peacock Gudgeon and other non-aggressive species.

• Compatibility: 5/5
• Tank Size: 10 gal (38 liters)
• Temperature Range: 73-82°F (22-28°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivore – appreciates varied diets with flakes, pellets, and live foods.
• Adult Size: 2 inches (5 cm)

Harlequin Rasboras bring a dynamic energy to your tank without antagonizing or displacing. Their vibrant colors and active behavior make them a fascinating addition. Small in size, they’re still an impressive sight when grouped. Testament to their name, their lively patterns truly resemble a clown’s vibrant attire. They’ll add color, life, and fun to your aquatic show.

Bamboo Shrimp

Bamboo Shrimp make excellent tank mates for Peacock Gudgeons. Their docile and friendly nature ensure they will not pose any threat to your beautiful Gudgeons. They are also interesting to watch, thanks to their unique feeding style- using their filter feeding fans to capture food particles.

• Compatibility: 5/5
• Tank Size: 20 gallons (75 liters)
• Temperature Range: 68-78°F (20-25°C)
• Care Level: Moderate. Bamboo shrimp require a current in their tanks to filter feed effectively.
• Temperament: Peaceful
• Diet & Feeding: filter-feeder, prefer high quality flake food or pellets
• Adult Size: 2-4 inches (5-10 cm)

Remember, like your Gudgeons, Bamboo Shrimp also thrive in well-decorated tanks with plenty of hiding spots created by plants and rocks. So make sure to provide this environment to keep them all happy and healthy.

Amano Shrimp

Your Peacock Gudgeon will love the company of the Amano Shrimp. These transparent creatures with dotted bodies love to scour for algae, contributing to a cleaner tank.

• Compatibility: 5/5
• Tank Size: 10 gal (37.85 liters) minimum
• Temperature Range: 70-80°F (21-26°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivore, enjoys commercial shrimp food, vegetables, and algae
• Adult Size: 2 inches (5 cm)

While Amano Shrimps savor tidbits your fish ignore, they’re unobtrusive neighbors. However, they lack the color pop many other tank mates provide. They love multiple hiding spots and plenty of plants, creating a thriving environment for your Peacock Gudgeon.

Platy Fish

The Platy fish, a popular freshwater fish species known for its diverse, vivid colors, can be a great addition to your Peacock Gudgeon tank. Credible for its hardiness and peaceful temperament, the Platy fish is relatively easy to care for and gets along well with other species.

• Compatibility: 4/5
• Tank Size: 10-gallon (38 liters) minimum
• Temperature Range: 70-79°F (21-26°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivore, needs a balanced diet of flake food, brine shrimp, and vegetable supplements.
• Adult Size: 1.5-2.5 inches

Remember, even though Platies are robust and low-maintenance, they still need a suitable environment and nutritious food for their growth and survival.

Rosy Tetra

Rosy Tetra, with its vibrant hues and calm demeanor, makes an ideal companion for your Peacock Gudgeon. They’re peaceful and adaptable, preferring to swim in groups.

• Compatibility: 4 out of 5
• Tank Size: Minimum of 20 gallons (75 liters)
• Temperature Range: 75-81°F (24-27°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivorous, enjoys a mix of flake, pellet, and live foods
• Adult Size: 2 inches (5 cm)

Rosy Tetras bring a float of color and life to any aquarium, making them delightful tank mates for your Peacock Gudgeon. Though they are small, their gentle nature makes them fit well with the semi-aggressive Gudgeon. Be sure to keep a school of them and enjoy the rosy display!

Threadfin Rainbowfish

Threadfin Rainbowfish are a delightful addition to any aquarium, with their shimmering colors and lively nature.

• Compatibility: 4 out of 5. They co-exist beautifully with Peacock Gudgeons since they occupy the upper levels of the tank.
• Tank Size: Minimum 10 gallons (approx. 38 liters). The more space, the better.
• Temperature Range: 72-78°F (22-26°C). They enjoy slightly warmer environments.
• Care Level: Moderate. They require clean, soft, and slightly acidic water.
• Temperament: Peaceful and sociable. They’re best kept in groups of 6 to 8.
• Diet & Feeding: Omnivores. They appreciate a diet of flake food, brine shrimp, and blood worms.
• Adult Size: Up to 2 inches (5 cm) so they won’t occupy too much space in your tank.

Note: Good water quality is crucial for these fish. Regular water changes and filtration are key.

Dwarf Gourami

Dwarf Gouramis are great companions for your Peacock Gudgeon. They exhibit striking colors, especially males with their vibrant blends of blue and red. Moreover, their peaceful nature makes them an ideal tank mate choice.

• Compatibility: 4/5. Dwarf Gouramis often get along well with other peaceful species.
• Tank Size: Minimum 10 gallons (about 38 liters)
• Temperature Range: 76-82°F (24-28°C)
• Care Level: Moderate. They require clean, well-maintained tanks.
• Temperament: Peaceful. They are generally calm and non-aggressive.
• Diet & Feeding: Omnivorous. They enjoy a mixed diet of flakes, pellets, and live or frozen foods.
• Adult Size: Up to 3.5 inches (almost 9 cm)

Choose Dwarf Gourami if you want a colorful, peaceful companion for your Peacock Gudgeon.

Otocinclus Catfish

Otocinclus Catfish are petite and gentle residents in an aquarium setting, making them perfect companions for your Peacock Gudgeon.

• Compatibility: 5/5. Otos are peaceful, shy, and non-threatening to others.
• Tank Size: 10 gal (38 liters) minimum. Give these small fish enough space to roam.
• Temperature Range: 70-78°F (21-26°C). They prefer warm, but not hot waters.
• Care Level: Moderate. They’re hardy, but keep the water clean and stable.
• Temperament: Peaceful. They’re calm and keep to themselves mainly.
• Diet & Feeding: Algae eaters. Provide algae wafers if algae levels are low.
• Adult Size: 2 inches (5cm). They remain small, not causing any size hierarchy.

Their unique algae-cleaning capability helps maintain a balanced environment for all tank mates, including your Peacock Gudgeon.

Celestial Pearl Danio

This vibrant fish species is often a favorite for aquarium enthusiasts, and they make good tank mates not only for Peacock Gungeons but also for other peaceful fish.

• Compatibility: 4 out of 5
• Tank Size: Minimum 10 gallons (38 liters)
• Temperature Range: 73-79 F (23-26 C)
• Care Level: Easy to moderate
• Temperament: Peaceful and schools well
• Diet & Feeding: Omnivorous; enjoys a variety of flake foods, micro pellets and live food
• Adult Size: Around 1 inch (2.5 cm)

Celestial Pearl Danios add lively sparks of color to your aquarium. They’re great companions for Peacock Gudgeons due to their peaceful nature and similar care needs. Be sure to provide ample hiding spots to mimic their natural habitat and make them feel at home.

Cardinal Tetra

The Cardinal Tetra is a remarkable companion for your Peacock Gudgeon. Their radiant blue and red stripes, coupled with peaceful nature make them an eye-catching yet gentle addition.

• Compatibility: 4/5
• Tank Size: 20 gallons (75 liters)
• Temperature Range: 73-81°F (23-27°C)
• Care Level: Moderate
• Temperament: Peaceful
• Diet & Feeding: Omnivore, regular feeding with a variety of high-quality flake, pellet and live foods.
• Adult Size: 2 inches (5 cm)

It is vital to keep the tank well-planted as Cardinal Tetras are naturally shy, enjoying hiding among the plant leaves. They’re also schooling fish, so keep them in groups for their happiness. On the whole, they’re the perfect splash of color and harmony for your Peacock Gudgeon tank.

Bristlenose Pleco

The Bristlenose Pleco could be your Peacock Gudgeon’s new best friend. With a compatibility rating of 4 out of 5, these peaceful tank mates are great scavengers, which means they’ll keep your tank clean.

• Compatibility: 4/5
• Tank Size: 30 gal (113 liters)
• Temperature Range: 71-86°F (21-30°C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivorous; provide them with driftwood for consumption and hiding
• Adult Size: Up to 5 inches (12.7 cm)

They thrive at temperatures between 71-86°F (21-30°C), and require a tank size of at least 30 gallons (113 liters). Furthermore, their unique dietary needs can intrigue any fish keeper; while they’re omnivorous, Bristlenose Plecos love munching on driftwood. If you’re up for the challenge, introducing a Bristlenose Pleco could spice up your aquarium ecosystem.

Guppy Fish

Guppy Fish, adorned with rainbow-like patterns, are widely favored as tank mates. These vibrant, active swimmers never fail to add a cheerful note to your aquarium.

• Compatibility: 4/5. They are mostly peaceful and cohabit well with Peacock Gudgeon. However, keep a watch so they don’t become too nosy with their shyer tank mates.
• Tank Size: Minimum of 10 gallons (38 liters).
• Temperature Range: 75-82°F (24-28°C).
• Care Level: Easy. A great choice for beginners and seasoned aquarists alike.
• Temperament: Generally peaceful, though they can occasionally nip at slower moving or long-finned fish.
• Diet & Feeding: Omnivorous. They enjoy a varied diet of flakes, brine shrimp, bloodworms, and plant matter.
• Adult Size: 1-2 inches (2.5-5 cm). Remember, they like to swim in all water levels so provide enough space!

Molly Fish

A tropical delight, the Molly Fish, is one of the best companions for your Peacock Gudgeon. Its vibrant colors and easy-going nature make keeping it an utter joy.

• Compatibility: 4/5
• Tank Size: 20 gal (75 L)
• Temperature Range: 70-82 °F (21-28 °C)
• Care Level: Easy
• Temperament: Peaceful
• Diet & Feeding: Omnivorous – a combination of plant matter and protein.
• Adult Size: 5 inches (12 cm)

Mollies are a hardy fish, easy-going in temperament, and can hold their own. They appreciate densely planted tanks with plenty of hiding spots. Remember to keep your water a bit on the ‘hard’ side for them, as they prefer a higher mineral content, just like a true peacock gudgeon.

Swordtail Fish

The Swordtail Fish is an ideal choice for cohabiting with a Peacock Gudgeon.

• Compatibility: 4/5 – Swordtails are peaceful and sociable fish that generally have no conflicts with the mild-mannered Peacock Gudgeon.
• Tank Size: 15 gallons (57 liters) minimum- This gives the Swordtail plenty of room to roam, and avoids overcrowding the tank.
• Temperature Range: 65-82°F (18-28°C) – Swordtails thrive in a range of temperatures, compatible with the needs of the Peacock Gudgeon.
• Care Level: Moderate – While they’re hardy fish, they need regular maintenance to prevent disease.
• Temperament: Peaceful – As community fish, they pose no threat to your Peacock Gudgeon.
• Diet & Feeding: Omnivorous – Swordtails eat anything from flakes to live food, making feeding time simple.
• Adult Size: 4-6 inches (10-15 cm) – Though relatively large, they’re unlikely to cause any size-related issues in the tank.

Conclusion

Throughout this article, you’ve learned about a diverse selection of 25 ideal tank mates for the peacock gudgeon. Remember, the key to a peaceful aquarium is compatibility and a well-maintained environment.

Do you have any other compatible species you’d like to share? Please, leave a comment below!