25 Glowlight Tetra Tank Mates

When choosing tank mates for your Glowlight Tetras, consider species compatibility foremost. Ensure the chosen species share similar environmental needs like 5.5 to 7.5 pH level, temperature (74 to 82°F or 24 to 28 °C), and 15 dGH water hardness. 

glowlight tetra tank mates

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Keep your tank peaceful by selecting non-aggressive species that won’t compete for food or territory. Below, you can find 25 amazing tank mates for glowlight tetras:

Neon Tetra

The Neon Tetra, with its striking neon-blue hue, constitutes an excellent tank mate for Glowlight Tetras.

Neon Tetra

  • Compatibility: 5/5: Neon Tetras are known to be peaceful, making them perfect companions for the similarly peaceful Glowlight Tetra.
  • Tank Size: 10 gallons (37.9 liters) is suitable for a school of Neon Tetras.
  • Temperature Range: 70-81°F (21-27°C) suits Neon Tetras best.
  • Care Level: Easy. This fish species is considered beginner-friendly.
  • Temperament: Peaceful and friendly, these are sociable fishes that like schooling.
  • Diet & Feeding: Neon Tetras are omnivorous. They enjoy a diet of flakes, granules, brine shrimp, and daphnia.
  • Adult Size: Neon Tetras grow to 1.2 inches (3 cm), a compact size that complements the Glowlight Tetra’s small frame.


Cardinal Tetra

Cardinal Tetras are vibrant and small fish species that fit perfectly in a Glowlight Tetra tank. Their vivid coloration doesn’t overshadow the elegant underlight of Glowlight Tetras.

cardinal tetras

  • Compatibility: 5/5. Cardinal Tetras are peaceful and mix well with Glowlight Tetras.
  • Tank Size: 20 gal (75 liters) at minimum.
  • Temperature Range: 73-81°F (23-27°C)
  • Care Level: Moderate. Cardinals need clean water and a well-settled aquarium.
  • Temperament: Peaceful, which makes them perfect tank mates for Glowlight Tetras.
  • Diet & Feeding: Omnivorous. Feed them a mix of flakes, small pellets, and occasional live or frozen food.
  • Adult Size: Up to 2 inches (5 cm). Their small size makes them fit in most community tanks without a problem.


Ember Tetra

Coming from the warm streams of South America, Ember Tetras provide a look of glowing embers in your tank.

ember tetra

  • Compatibility: 5/5. Excellent tank mates for Glowlight Tetras due to shared environments.
  • Tank Size: 10 gal (38 liters). Ember Tetras are fairly small.
  • Temperature Range: 73-84°F (23-28°C). They prefer warmer waters.
  • Care Level: Easy. Ideal for beginners as they are hardy fish.
  • Temperament: Peaceful. Ember Tetras pose no threat to Glowlight Tetras.
  • Diet & Feeding: Omnivorous. They accept a range of foods such as flake, freeze-dried and live foods.
  • Adult Size: Up to 1 inch (2.54 cm). This petite size allows them to cohabit well within smaller aquariums.

Their fiery red-orange color contrasts beautifully against the delicate luminescence of the Glowlight Tetra.


Black Neon Tetra

The Black Neon Tetra is a peaceful species and an excellent Glowlight Tetra tank buddy.

Black Neon Tetra

  • Compatibility: 5/5. It’s incredibly peaceful and coexists happily with other calm fish.
  • Tank Size: 10 gal (38 liters) minimum. However, a larger space is always better.
  • Temperature Range: 72-82°F (22-28°C). This range keeps them in optimal conditions.
  • Care Level: Easy. Ideal for beginner aquarists.
  • Temperament: Peaceful. Prefers to swim in small groups.
  • Diet & Feeding: Omnivorous. Enjoys small pellets, flake food, and live or frozen foods.
  • Adult Size: Approximately 1.5 inches (3.8 cm). Despite their diminutive size, they’re hardy and resilient.


Rummy Nose Tetra

Rummy Nose Tetra is a small, beautifully striped species that can effectively add color to your Glowlight Tetra tank.

rummy nose tetras

  • Compatibility: 4/5 – They are highly compatible with Glowlight Tetras.
  • Tank Size: 20 gallons (75 liters) – They demand more space due to their active nature.
  • Temperature Range: 72-82°F (22-28°C) – Rummy Nose Tetras enjoy similar water temperatures as Glowlight Tetras.
  • Care Level: Moderate – They require pristine water conditions.
  • Temperament: Peaceful – Just like Glowlight Tetras, they are peaceful and co-exist well with other tank mates.
  • Diet & Feeding: Omnivores – They appreciate both plant-based and meaty foods.
  • Adult Size: 2.2 inches (5.5 cm) – Their small size allows them to live comfortably in a community setting.


White Cloud Mountain Minnow

White Cloud Mountain Minnows, also called Tanichthys albonubes, are a peaceful and hardy species. Interestingly, these aquatic gems are less demanding, and they easily adapt to different tank conditions.

white cloud minnow

  • Compatibility: 5/5. They are quite congenial and cohabit perfectly with Glowlight Tetras.
  • Tank Size: 15 gallons (57 liters). Providing a spacious and well-planted tank is essential for these Minnows.
  • Temperature Range: 64-72°F (18-22°C). They prefer a cooler aquarium environment relative to many tropical species.
  • Care Level: Easy. Ideal for beginner hobbyists due to its hardiness.
  • Temperament: Peaceful. They are community-friendly and don’t show aggression.
  • Diet & Feeding: Omnivorous. Feed them a balanced diet of flake, pellet, freeze-dried, and live foods.
  • Adult Size: 1.5 inches (4 cm). They maintain a small size even when fully grown.


Celestial Pearl Danio

The Celestial Pearl Danio, affectionately known as the “Galaxy Rasbora”, is a vibrant addition suitable for a Glowlight Tetra tank.

celestial pearl danio

  • Compatibility: 4/5. They are peaceful and thrive in a community tank setting.
  • Tank Size: 10 gallons (38 liters). They require plenty of room to swim.
  • Temperature Range: 73-79°F (23-26°C). Maintain a consistent temperature to ensure their wellness.
  • Care Level: Intermediate. They need a balanced diet and regular tank checks.
  • Temperament: Peaceful. They coexist well with similarly tempered species.
  • Diet & Feeding: Omnivorous. Feed them high-quality flakes or live treats.
  • Adult Size: 1 inch (2.5 cm). They offer a joyful sight without occupying lots of space.

With their star-like spots and rich colors, the Celestial Pearl Danios make a cosmically adorable companion to your Glowlight Tetras.


Zebra Danio

Zebra Danio is a popular choice as a Glowlight Tetra tank mate. This robust, active swimmer loves to live in groups and adds color, energy, and vibrancy to any community aquarium.

zebra danio

  • Compatibility: 5/5. They are peaceful and enjoy living with others.
  • Tank Size: 10 gal (38 l). They require room for swimming.
  • Temperature Range: 64-75°F (18-24°C). They prefer cooler waters.
  • Care Level: Easy. Perfect for novice aquatic pet owners.
  • Temperament: Peaceful. Yet, they exhibit playful schooling behaviors.
  • Diet & Feeding: Omnivorous. Zebra Danios enjoy a diet of flake food, live, and frozen foods.
  • Adult Size: 2 in (5 cm). Their active swimming habits make up for their small size.

Pairing Zebra Danios with Glowlight Tetras is a surefire way to sustain a stimulating and harmonious ecosystem in your aquarium.


Cherry Barb

The Cherry Barb (Puntius titteya) is a beautiful, lively addition to any glowlight tetra tank. Brimming with energy, these vibrant fish will add a splash of color to your aquarium. They are known to be peaceful which makes them an ideal choice for a community tank.

Cherry Barb

  • Compatibility: 4 out of 5
  • Tank Size: 20 gallons (76 liters)
  • Temperature Range: 74-81°F (23-27°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivore, they’ll appreciate a combination of both flake food and live food.
  • Adult Size: Up to 2 inches (5 cm)

Remember, while they can adapt well to varying conditions, maintaining proper water parameters is key to ensuring their ideal conditions. Their peaceful nature makes them easy companions for glowlight tetras.


Harlequin Rasbora

The Harlequin Rasbora or Trigonostigma heteromorpha is a small, lively fish that makes a suitable tank mate for Glowlight Tetras.

harlequin rasbora

  • Compatibility: 5/5
  • Tank Size: Minimum 20 gal (75 liters)
  • Temperature Range: 72 – 81°F (22 – 27°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous; thrive on a mixed diet of flake food, live, and frozen foods.
  • Adult Size: Around 2 inches (5 cm)

Belonging to the Cyprinidae family, these fish are native to Malaysia, Singapore, and Thailand. They have a distinct black ‘triangle’ shape on their body, making them visual standouts. Providing ample plants and places to hide will keep your Harlequin Rasboras happy and healthy.



Platies have gained popularity in the aquatic world due to their peaceful nature and vibrant color variations. They are perfect tank mates for Glowlight Tetras.

red wagtail platy

  • Compatibility: 4/5
  • Tank Size: Minimum 10 gallons (38 liters)
  • Temperature Range: 70-80°F (21-27°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivore; platies feed on both plant matter and small invertebrates.
  • Adult Size: Up to 3 inches (7.5 cm)

Platies are also known for their breeding simplicity, which might fill your tank with baby fishes if measures aren’t taken. Nonetheless, their friendly nature and mild temperament make them brilliant additions to your Glowlight Tetra aquarium.



Guppies are excellent candidates when considering tank mates for your Glowlight Tetras. They present a vibrant hue that enhances the overall visual appeal of the aquarium.

tuxedo guppy

  • Compatibility: 4/5. Guppies get along well with Glowlight Tetras due to their friendly nature. They seldom pose fights.
  • Tank Size: Minimum 10 gallons (38 liters). Their active nature makes them enjoy the freedom that comes with a larger tank.
  • Temperature Range: 72-82°F (22-28°C). Guppies are tropical fish that thrive in the same temperature range as Glowlights.
  • Care Level: Easy. Guppies are tolerant and adaptable. They can live under various water conditions.
  • Temperament: Peaceful. They are community-friendly fish.
  • Diet & Feeding: Omnivore. Guppies enjoy both plant-based and meat-based diets.
  • Adult Size: 0.6-2.4 inches (1.5-6 cm). Their small size makes them non-threatening to Glowlight Tetras.



Mollies are a popular choice as tank mates for Glowlight Tetras. They are slightly larger but share a similar temperament. Mollies are generally peaceful and active swimmers, bringing another level of lively energy to your aquarium.

black molly fish

  • Compatibility: 4 out of 5
  • Tank Size: Minimum 10 gallons (38 liters)
  • Temperature Range: 72-78°F (22-25°C)
  • Care Level: Beginner
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous— Mollies enjoy both plant matter and small invertebrates. They take flake, frozen, or live foods.
  • Adult Size: Up to 4.5 inches (11.4 cm)

Always remember, keeping your Mollies in a group will help reduce any aggressive behavior. These fish prefer a little salt in their water to mimic their native brackish habitats.



We now venture into the colorful world of Swordtails. These are popular tropical freshwater fish, notable for their long, sword-like tails.

red swordtail fish

  • Compatibility: 4 out of 5. Swordtails are generally peaceful and coexist well with Glowlight Tetras.
  • Tank Size: Minimum 20 gallons (75 liters). More is better, as swordtails appreciate space for swimming.
  • Temperature Range: 65-82°F (18-28°C). Slightly warmer temperatures are optimal.
  • Care Level: Moderate. Swordtails, while hardy, need regular tank care.
  • Temperament: Peaceful. They are social fish that enjoy schooling.
  • Diet & Feeding: Omnivore. Mix of high-quality flake food, live, freeze-dried or frozen foods will be appreciated.
  • Adult Size: Up to 6 inches (15 cm). Females are larger, males bear the characteristic ‘sword’ tail.


Corydoras Catfish

Aptly named armored catfish, the Corydoras is another remarkably fitting tank mate. These tiny, peace-loving bottom-dwellers are absolutely perfect with a high compatibility rating.

Corydoras Catfish

  • Compatibility: 5/5
  • Tank Size: 20 gallons (75.7 liters) minimum
  • Temperature Range: 72-78°F (22-26°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous, enjoys flake, pellet, and live foods
  • Adult Size: 2-3 inches (5-7.5 cm)

Corydoras keep themselves and seldom disturb fellow tank mates. They work as a clean-up crew, scavenging the tank bottom for leftovers. Since they inhabit the tank’s lower level, they will hardly ever cross paths with your mid-dwelling Glowlight Tetras.

To ensure maximum comfort, keep them in groups of at least five. Notably, they are sensitive to water conditions, underlining the necessity for regular water changes.


Otocinclus Catfish

The Otocinclus Catfish makes an ideal tank mate for your Glowlight Tetras. This small, peaceful fish is known for its incredible algae eating abilities, providing a valuable service in your aquarium.

  • Compatibility: 5 out of 5
  • Tank Size: 10 gallons (38 liters)
  • Temperature Range: 72-79°F (22-26°C)
  • Care Level: Medium
  • Temperament: Peaceful
  • Diet & Feeding: Herbivore – They love to feast on algae and should be provided with additional sources of plant matter such as blanched veggies.
  • Adult Size: 2 inches (5 cm)

They thrive in well-planted tanks and prefer a moderate current. Otocinclus Catfish enjoy the company of their own kind, so consider adding a group to your tank. Their small size ensures they won’t compete for space with your Glowlight Tetras.


Dwarf Gourami

The Dwarf Gourami’s striking colors and hardy nature make it a prized addition to your Glowlight Tetra tank community.

dwarf gourami

  • Compatibility: 5 out of 5
  • Tank Size: 10 gallons (38 liters) minimum
  • Temperature Range: 72-82°F (22-28°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivore; small fish, vegetable flakes, live and frozen foods
  • Adult Size: 3.5 inches (9 cm)

Remember, Gouramis may become territorial. Therefore, provide plenty of hiding spots, like caves and plants. Always observe and monitor your tank members’ behavior. Lastly, keep in mind the added dietary requirements these stunning fish come with.

They appreciate a variety in diet and need both meaty foods and veggies. Broaden their menu with high-quality, specially formulated fish flakes or pellets. Plus, occasional treats of live or frozen food like bloodworms.


Honey Gourami

The Honey Gourami, with its golden-honey hue, is agreeable with Glowlight Tetras and adds vibrancy to any aquarium. These gentle creatures are ideal mates for Tetras due to their peaceful nature.

honey gourami tank mates

  • Compatibility: 5/5
  • Tank Size: Minimum 20 gallons (75 liters)
  • Temperature Range: 72-82°F (22-28°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous – favours a diet of algae, small insects, and invertebrates supplemented with high-quality flakes or pellets.
  • Adult Size: Up to 3 inches (7.6 cm)

Feed them in moderate quantities and maintain a clean tank to guarantee their overall health. Maintain a well-planted aquarium for Honey Gouramis since they love frolicking around plants.


Pearl Gourami

Pearl Gouramis are a desirable tank mate for glowlight tetras. They are an incredibly serene species, able to create a peaceful environment within the tank. Their preferred diet consists of both live and flake foods, offering flexibility to the feeding routine. Keep in mind that they appreciate well-planted surroundings, which can mimic their natural habitat.

pearl gourami tank mates

  • Compatibility: 4/5
  • Tank Size: 20 gals (75.7 liters)
  • Temperature Range: 77-82°F (25-28°C)
  • Care Level: Moderate
  • Temperament: Peaceful
  • Diet & Feeding: Omnivore (flake and live foods)
  • Adult Size: Up to 5 in (12.7 cm)

Always ensure your tank provides enough space and right water conditions. Pearl Gouramis could be an impressive addition to your aquarium, adding a unique aesthetic appeal and harmonious interaction with your Glowlight Tetras.


Sparkling Gourami

The Sparkling Gourami is a small, captivating fish species with a bubbly personality. Its vibrant colors shimmer, making it a visually appealing addition to a Glowlight Tetra tank.

sparkling gourami

  • Compatibility: 5/5. This peaceful fish gets along superbly well with Glowlight Tetras.
  • Tank Size: Minimum 10gal (38L); however, a larger tank allows for better swimming space.
  • Temperature Range: 72°F-82°F (22°C-28°C). Sparkling Gouramis thrive in warmer waters.
  • Care Level: Intermediate. They’re not terribly difficult to care for, but their environment requirements need to be precise.
  • Temperament: Peaceful. They are sociable fish who prefer to be in groups.
  • Diet & Feeding: Omnivore. They should be given a mix of dry flake food, live foods, and vegetable matter.
  • Adult Size: 1.5 inches (3.8 cm). This small size enables them to cohabitate well with Glowlight Tetras.


Bolivian Ram Cichlid

The Bolivian Ram Cichlid (Mikrogeophagus altispinosus) is a peaceful, easy-to-care freshwater species well-suited for Glowlight Tetra tanks. Originating from the Amazon Basin, they flaunt striking hues and patterns.

Bolivian Ram

  • Compatibility: 5/5; Known for their peaceful demeanor, they coexist nicely with Glowlight Tetras.
  • Tank Size: 30 gal (around 113 liters); Offers enough swimming area and hiding spots.
  • Temperature Range: 70-78°F (21-26°C); Mimics their natural habitat.
  • Care Level: Easy; They aren’t too demanding concerning tank conditions.
  • Temperament: Quiet; They are rarely aggressive, maintaining harmony in the tank.
  • Diet & Feeding: Omnivorous; Serve them a balanced mix of flake, frozen, or live foods.
  • Adult Size: 2.5-3 inches (6.35-7.62 cm); Compact enough for mid-sized aquariums.

Owing to their peaceful nature and vibrant appearance, Bolivian Ram Cichlids make a perfect tank-mate for Glowlight Tetras.


Kuhli Loach

The Kuhli Loach, also known as the “Coolie Loach,” is an excellent tank mate for Glowlight Tetras. This shy, nocturnal species thrives in peaceful environments, much like Glowlight Tetras do.

Kuhli Loach

  • Compatibility: 5/5
  • Tank Size: 20 gallons (75 liters)
  • Temperature Range: 73°F – 86°F (23°C – 30°C)
  • Care Level: Intermediate
  • Temperament: Peaceful
  • Diet & Feeding: Omnivore preferring sinking pellets, flakes, and frozen or live food.
  • Adult Size: Up to 4 inches (10 centimeters)

Kuhli Loachs are non-aggressive bottom dwellers, often hiding during the day and coming out at night to feast. With a love for burrowing, ensure there is adequate soft, sandy substrate in your tank.

Providing a safe, comfortable environment will guarantee a happy and healthy Kuhli Loach. Providing a safe and peaceful environment ensures a stress-free space for your Glowlight Tetras and their new Kuhli Loach companion.


Siamese Algae Eater

Siamese Algae Eaters (SAEs) are tolerant and unobtrusive, making them excellent companions for your Glowlight Tetras. Although not too vibrant, they more than make up in algae-busting effectiveness, rendering your tank sparkling clean. Giving them enough space to roam will be well-rewarded by a reduction in tank maintenance.

Siamese Algae Eaters

  • Compatibility: 4/5
  • Tank Size: 20 gals (75 liters)
  • Temperature Range: 75-80°F (24-27°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivore. The majority of their diet should consist of algae, but put in blanched veggies for variety.
  • Adult Size: 6 inches (15 cm)


Bristlenose Pleco

Bristlenose Plecos, also known as Ancistrus, are an engaging addition to any Glowlight Tetra tank. These are great community tank mates as they are peaceful and primarily keep to themselves.

A unique aspect is their love for algae, making them a natural tank cleaner. Keep a keen eye on their diet, as unfed Plecos may resort to nibbling at the fins of their companions.

bristlenose pleco

  • Compatibility: 4/5
  • Tank Size: 25 gallons (95 liters)
  • Temperature Range: 60-80°F (15-27°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous – Algae, pallets, and blanched vegetables.
  • Adult Size: 5 inches (13 centimeters)


Amano Shrimp

Amano Shrimp are an excellent choice as a Glowlight Tetra tank mate.

Amano Shrimp

  • Compatibility: 5/5
  • Tank Size: 10 gal (37.85 liters)
  • Temperature Range: 70-78° F (21-25.5° C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivore
  • Adult Size: 2 inches (5 cm)

They are masters in the art of algae control and will diligently work to keep the tank clean. These shrimp are non-aggressive and enjoy a similar environment as Glowlight Tetras.

They require a well-maintained tank with lower ammonia levels. Amano Shrimps are adaptable – they love to explore and can effortlessly blend in a variety of tank settings.


Picking the right tank mates for your Glowlight Tetras is essential for a thriving aquatic environment. We hope this guide has provided you with valuable insight into the harmonious compatibility of these various species. Your comments are welcome, so do share your experiences or ask questions below.

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