25 Sailfin Molly Tank Mates

Choosing a tank mate for your Sailfin Molly takes consideration. Pick one that’s harmonious and poses no threat to your Molly. Verify their compatible nature in terms of behaviour, water parameters, and dietary needs.

sailfin molly fish

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Kuhli Loach

Kuhli Loach is a unique and fascinating choice for a Sailfin Molly tank mate. Known for its eel-like shape and playfulness, this species adds an element of excitement to your aquarium.

Kuhli Loach

  • Compatibility: 4 out of 5
  • Tank Size: Minimum 20gal (75 liters)
  • Temperature Range: 75-85°F (24-29°C)
  • Care Level: Moderate
  • Temperament: Peaceful, occasional nocturnal activity
  • Diet & Feeding: Omnivorous, enjoys a mix of pellets, flakes, and live or frozen foods for variation.
  • Adult Size: 3-4 inches (8-10 cm)

Kuhli Loaches prefer having hiding spots in the tank. So, consider adding caves, rocks or driftwood to keep them comfortable and content.


Endler’s Livebearers

Endler’s Livebearers are small, hardy fish that make an excellent addition to your Sailfin Molly tank. They are colorful and active, adding life and movement to your aquarium.

endler guppy tank mates

  • Compatibility: 4 out of 5
  • Tank Size: Minimum 20 gal (75 liters)
  • Temperature Range: 75 to 82°F (24 to 28°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous, they enjoy a variety of foods
  • Adult Size: 2 in (5 cm)

Endler’s are good tank mates for Sailfin Mollies as they are both livebearers, peaceful, and prefer similar water parameters. Maintain a balanced diet for their vibrant appearance and optimum health.


Rosy Barbs

Rosy Barbs are a colorful and energetic addition to any aquarium. Known for their beautiful red hue and playful demeanor, these little creatures make excellent tank mates for a Sailfin Molly.

rosy barb

  • Compatibility: 4/5
  • Tank Size: 30 gal (113.56 liter)
  • Temperature Range: 64-72°F (17.77-22.22°C)
  • Care Level: Intermediate
  • Temperament: Active and playful
  • Diet & Feeding: Omnivorous, prefers flake and pellet food supplemented with fresh veggies and small live foods.
  • Adult Size: Up to 6 inches (15.24 cm)

While their care level is a bit intermediate, with the right environment and diet, they can thrive. Always remember, a spacious tank and delightful companions can greatly enhance the Rosy Barb’s wellness and flashy colors.


Clown Plecos

A Clown Pleco is a peaceful, vibrant addition to your Sailfin Molly tank, known for its manageable size and easy care.

clown loach tank mates

  • Compatibility: 5/5
  • Tank Size: 25 gal (95 liters)
  • Temperature Range: 72-86 F (22-30 C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous. They enjoy a variety of dietary sources including plants, algae, and small amounts of meaty foods.
  • Adult Size: 3.5 inches (9 cm)

This distinctive patterned Pleco is perfect for the novice aquarium enthusiast due to their non-aggressive nature. You’ll watch them thrive in an environment rich in driftwood and hiding places. Along with other Plecos, Clown Plecos are diligent algae eaters, keeping your tank looking its best.



Rainbowfish are remarkably colorful and fast-moving companions for your Sailfin Mollies.

Boesemani Rainbowfish

  • Compatibility: 4 out of 5. Rainbowfish thrive in similar conditions as Sailfin Mollies and enjoy their company.
  • Tank Size: Should be at least 30 gallons (113 liters). Spacious environments allow Rainbowfish adequate room for swimming.
  • Temperature Range: 74 to 78°F (23 to 25°C) is optimal, keeping Rainbowfish energetic and healthy.
  • Care Level: Rainbowfish are easy to care for, even for beginner aquarium enthusiasts.
  • Temperament: They’re peaceful and sociable, making them suitable tank mates for Sailfin Mollies.
  • Diet & Feeding: Omnivorous, Rainbowfish enjoy a varied diet of both plant-based and meaty foods.
  • Adult Size: Rainbowfish can grow up to 4 to 6 inches (10 to 15 cm) long. Remember to add a group of at least five Rainbowfish, as they are schooling fish.


White Cloud Mountain Minnows

White Cloud Mountain Minnows are perfect tank mates for Sailfin Mollies. Known for their peaceful demeanor, these fish can survive in different temperature ranges, showing adaptability and resilience.

white cloud minnow

  • Compatibility: 5 out of 5
  • Tank Size: 10-20 gallons (38-76 liters)
  • Temperature Range: 64-72°F (18-22°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivores and will take all types of food
  • Adult Size: 1.5 inches (3.8 cm)

Their diverse diet, smaller size, and unaggressive nature make them simple to care for. They’re not picky eaters; hence, compatible with Sailfin Mollies. Just ensure they have enough space for swimming around, and they will coexist happily with your fish.


Balloon Molly

Balloon Molly is a colorful and energetic addition to your Sailfin Molly tank ecosystem. These plump, short-bodied mollies are lively tank mates who thrive amidst groups.

balloon molly

  • Compatibility: 4.5/5. They mingle with Sailfin Mollies to create vibrant diversity.
  • Tank Size: 10 gallons (38 liters) minimum. They need space to swim.
  • Temperature Range: 70-82°F (21-28°C). They prefer warmer waters.
  • Care Level: Easy. Perfect for beginners or busy folks.
  • Temperament: Peaceful. They add tranquility to your tank.
  • Diet & Feeding: Omnivorous. They enjoy a variety of flake foods, vegetables, and small live foods.
  • Adult Size: 3 inches. Despite their compact size, they have big personalities.

Adding Balloon Molly can increase your tank’s aesthetic appeal while maintaining harmony in the aquarium.


Bristlenose Plecos

Bristlenose Plecos are a popular choice for Sailfin Molly tank mates. Appreciated for their non-aggressive nature, they’re amazing at cleaning your tank as they survive mostly on algae. That said, supplement their diet with leafy greens to keep them lively and bright.

bristlenose pleco

  • Compatibility: 4/5
  • Tank Size: 20 gallons (75 liters)
  • Temperature Range: 60-80°F (15-27°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Herbivore (Algae and greens)
  • Adult Size: 4-5 inches (10-12.7 cm)

Bristlenose Plecos might not be as aesthetically appealing as some tank mates, yet they more than make up for it with their efficiency, practicality, and calm demeanor, making them a great addition to your tank family.



Angelfish are a popular choice for a Sailfin Molly’s aquarium companion. Despite their delicate, beautiful appearance, Angelfish are semi-aggressive, and thrive in a community environment that offers plenty of space for them to roam.

zebra angelfish

  • Compatibility: 3/5
  • Tank Size: 30 gal (113 liters)
  • Temperature Range: 75-82°F (23-28°C)
  • Care Level: Moderate
  • Temperament: Semi-aggressive
  • Diet & Feeding: Omnivorous. They enjoy a varied diet, including flakes, brine shrimp, and bloodworms.
  • Adult Size: Up to 6 inches (15 cm)

It’s crucial to keep in mind that while Angelfish may not instigate a fight, they will defend their territory vigorously. Balancing tank mates with similar needs and temperaments can ensure everyone thrives.


Zebra Danios

In the world of aquatic companions, one fish stands out for its energetic nature and unique beauty, the Zebra Danio.

golden zebra danio

  • Compatibility: 5/5. Zebra Danios are seen as an excellent choice for a community tank due to their peaceful demeanor.
  • Tank Size: Minimum 10 gallons (37.8 liters). These quick-swimming fish will enjoy ample room to roam.
  • Temperature Range: 64-77°F (18-25°C). They are adaptable to a range of temperatures.
  • Care Level: Easy. Ideal for beginners with their hardy nature and minimal care needs.
  • Temperament: Active. They are playful and lively, bounding with energy.
  • Diet & Feeding: Omnivores. They enjoy a variety of foods like flakes, pellets, and live foods.
  • Adult Size: 2 inches (5 cm). Despite their small size, they make a big impact in any tank.


Leopard Danios

Leopard Danios, known for their dazzling markings, make an impressive addition to your Sailfin Molly tank. These swift swimmers enjoy a good chase and will keep your tank lively.

leopard danios

  • Compatibility: 4/5. Leopard Danios are generally peaceful but can occasionally nip at slow swimmers.
  • Tank Size: 10gal (38L). They prefer larger spaces to roam and play.
  • Temperature Range: 64-75°F (18-24°C). These fish thrive in cooler waters.
  • Care Level: Easy. Leopard Danios are hardy and adaptable—great for beginners!
  • Temperament: Active. Expect these playful fish to show off their speed.
  • Diet & Feeding: Omnivorous. They enjoy a combination of dry flakes and live foods.
  • Adult Size: 2in (5cm). Their petite size allows for a larger number in the tank.


Gold Barbs

Gold Barbs, known for their vivid coloration and playful demeanor, make a delightful addition to a Sailfin Molly aquarium.

golden barb tank mates

  • Compatibility: 4 out of 5
  • Tank Size: Minimum 20 gallons (75 liters)
  • Temperature Range: 64-75°F (18-24°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous. Feed them a balanced diet of flakes, pellets, and occasional treats of live or frozen foods.
  • Adult Size: 2.8 inches (approx.)

Gold Barbs are active swimmers and, as such, prefer large open spaces for swimming. In larger community setups, they’re known to liven up the scene with their lively antics. These hardy species are a great match for your Sailfin Molly! They have a gentle temperament and blend in well with most community tank occupants.



Platies are an excellent companion for your Sailfin Molly! They bring a burst of color to any aquarium with their vibrant hues.

mickey mouse platy

  • Compatibility: 5/5 – Platies get along excellently with Mollies due to their peaceful temperament.
  • Tank Size: Minimum 10 gal (37.8 L) – They need enough space to swim freely.
  • Temperature Range: 70-80°F (21-27°C) – Platies thrive in these temperatures.
  • Care Level: Easy – Perfect for beginners.
  • Temperament: Peaceful – They don’t show aggression towards other species.
  • Diet & Feeding: Omnivore – They eat both prepared and fresh foods.
  • Adult Size: 3 inches (7.5 cm) – They are small and don’t occupy much space in the tank.

Their compatibility with mollies makes them an ideal choice for your aquarium.


Scissortail Rasbora

The Scissortail Rasbora is renowned for their peaceful demeanor and love for swimming. From the Cyprinidae family, these aquatic beings glide harmoniously with their Sailfin Molly tank-mates.

three lined rasbora

  • Compatibility: 4 out of 5. Their peaceful disposition makes them amicable companions.
  • Tank Size: 30 gal (114 liters). A broader space supports their inquisitive, active nature.
  • Temperature Range: 72-79°F (22-26°C) suits them perfectly.
  • Care Level: Easy. Great for novice aquarium keepers.
  • Temperament: Peaceful. Picturesque swimmers that enjoy being in groups.
  • Diet & Feeding: Omnivorous. Welcome flakes, pellets, and live feeds with equal enthusiasm.
  • Adult Size: 6 in (15 cm). Their sleek, elegant size complements the Sailfin Molly.

You’ll find their playful nature enchanting, and their community-oriented lifestyle compatible with your Sailfin Molly.


Otocinclus Catfish

The Otocinclus Catfish is a great tank mate for the Sailfin Molly. Known for their peaceful nature and hardworking tendencies– they love to tackle algae buildup.

Otocinclus Catfish

  • Compatibility: 5/5. They’re great companions for most fish, including mollies.
  • Tank Size: 10 gallons (38 liters). They love space to roam.
  • Temperature Range: 70-78°F (21-26°C). They prefer moderately warm water.
  • Care Level: Moderate. They need clean water to thrive.
  • Temperament: Peaceful. They’re more focused on eating than fighting.
  • Diet & Feeding: Omnivores. They love algae, but also enjoy veggies and commercial foods.
  • Adult Size: 2 inches (5 cm). They’re small but great for keeping your tank clean.

Remember, Otos are social fish, so keep them in groups of at least 3-4 for their happiness.



As Sailfin Molly tank mates, Guppies are a great choice for your aquarium. These sparkly creatures add color with their stunning rainbow hues.

fancy guppy

  • Compatibility: 4/5 – Sailfin Molly and Guppies form a peaceful coexistence.
  • Tank Size: 10 gal (38 liters) – A perfect house for them.
  • Temperature Range: 75-82°F (24-28°C) – Aims for a warm aquatic environment.
  • Care Level: Easy – ideal for novice aquarists.
  • Temperament: Peaceful – won’t spark a conflict.
  • Diet & Feeding: Omnivorous – Loves both meaty food and plant matter.
  • Adult Size: 2.5 inches (6.5 cm) – Doesn’t demand abundant space.

So, pondering about adding Guppies to your Sailfin Molly tank? Go for it! They’re easy to care for and they offer a lively burst of aquatic colors.


Harlequin Rasboras

Colorful and easy to care for, Harlequin Rasboras make exceptional tank mates for your Sailfin Molly. These peaceful tropical fish are known for their vibrant metallic colors and unique triangular mark on their body.

harlequin rasbora

  • Compatibility: 4/5 – They are highly sociable, prefer living in groups, and are typically non-aggressive towards other species.
  • Tank Size: 20 gal (75.7 liters) – A decent swimming area is beneficial for them.
  • Temperature Range: 72-81°F (22-27°C) – Ideal for a tropical aquarium.
  • Care Level: Easy – Suitable for beginners.
  • Temperament: Peaceful – They cohabitate well with other non-aggressive species.
  • Diet & Feeding: Omnivore – Feed them flake food, micro pellet food, and occasionally, live or frozen foods.
  • Adult Size: 2 inches (5 cm) – They’re small yet brightly colored, enhancing your aquarium’s visual appeal.

Corydoras Catfish

Corydoras Catfish, also known as “Cory Cats,” make excellent tank mates for your Sailfin Molly. Due to their peaceful nature and hardiness, they are ideal for beginner and seasoned aquarists alike. They are known to spend most of their time at the bottom of the tank, scavenging for leftover food while also acting as natural cleaners.

bronze corydoras

  • Compatibility: 5/5
  • Tank Size: 20 gal (75 liter)
  • Temperature Range: 72-78°F (22-26°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous; Feed them sinking pellets, tablets, flakes, and occasionally, some meaty foods.
  • Adult Size: Up to 2.5 in (up to 6 cm)

Like other fish, Corydoras also appreciate a habitat with plenty of hiding spaces, so decorating your tank with caves and plants is recommended.


Pencil Fish

Pencil Fish are small, slender fish known for their peaceful nature. They’re compatible with Sailfin Molly fish, making them an excellent addition to your aquatic family.

coral red pencilfish nannostomus mortenthaleri

  • Compatibility: 4/5
  • Tank Size: Minimum of 10 gallons (approx. 38 liters)
  • Temperature Range: 73-82°F (approx. 23-28°C)
  • Care Level: Moderate
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous – Feed them with brine shrimp, daphnia, and quality flake food.
  • Adult Size: 1.5 inches (approx. 3.8 centimeters)

Pencil Fish are an ideal mate for your Sailfin Molly. They thrive in similar environments and have easy compatibility. Just ensure your tank is big enough, and maintain the right temperature.


Neon Tetras

Neon Tetras are undoubtedly a brilliant choice as tank mates for your Sailfin Molly. These small, vibrant fish are not only highly adaptable but also known for their peaceful demeanor.

Neon Tetra

  • Compatibility: 4/5
  • Tank Size: Minimum of 10 gal (38 liters)
  • Temperature Range: 70°-81°F (21°-27°C)
  • Care Level: Easy
  • Temperament: Peaceful, social
  • Diet & Feeding: Omnivorous
  • Adult Size: 1.2 inches (3 cm)

Easy to care for and hardly demanding, Neon Tetras thrive in tranquil aquatic environments. They are omnivorous by nature and appreciate a diet combining flakes, pellets, and occasional live or frozen foods. Coexisting harmoniously with your Mollies, these neon sparks will unquestionably radiate positivity in your aquarium.


African Dwarf Frogs

These quirky little creatures can bring a whole new dynamic to your Sailfin Molly tank. With a compatibility rating of 4 out of 5, they’re often a great choice.

african dwarf frog

  • Compatibility: 4 out of 5
  • Tank Size: 20 gallons (75 liters)
  • Temperature Range: 72 – 78°F (22 – 25.5°C)
  • Care Level: Medium
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous; will eat small invertebrates and fish food
  • Adult Size: Up to 3 inches (7.5 cm)

African Dwarf Frogs are fairly peaceful, and while they can sometimes be a bit mischievous, they’re most often seen as an entertaining addition. They can coexist well with your Sailfin Mollies, given enough space. Note, however, their care level is medium – they require some specific care routines to keep them happy and healthy.



Swordtails are vibrant, active fish species that your Sailfin Molly will love having around. They have similar environmental needs and can cohabit well.

red swordtail fish

  • Compatibility: 5/5
  • Tank Size: 15 gal minimum (56 liters)
  • Temperature Range: 64-82°F (18-28°C)
  • Care Level: Easy to moderate
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous – They enjoy a mix of quality flake food, vegetables, and occasional live or frozen foods.
  • Adult Size: 4-5 inches (10-12 cm)

Bearing attractive, elongated tails, these fishes interest the eyes and their peaceful disposition ensures they won’t bully your Sailfin Molly. Just remember that they prefer well-planted tanks and room to swim freely.


Black Molly

If you have Sailfin Molly, a Black Molly becomes a fantastic option for a tank mate.

black molly fish

  • Compatibility: 5/5
  • Tank Size: 20-30 Gallons (75-114 Liters)
  • Temperature Range: 70-82°F (21-28°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous. Prefer a mix of algae-based flake foods, vegetable supplements, and occasional meaty foods.
  • Adult Size: 3 inches (7.5 cm)

Black Molly is easiest to care for, owing to their strong resistance to disease. They are peaceful and get along superbly with other fish. They display a vivid, glossy black color that adds a striking aesthetic to your aquarium. Just remember, they thrive in slightly brackish water, given their saltwater lineage.


Cardinal Tetras

Cardinal Tetras are a lovely addition to your Sailfin Molly aquarium. With their vibrant blue and red stripes, they make the underwater world burst with colors. They are known for their peaceful nature and tend to roam in schools.

cardinal tetras

  • Compatibility: 4 out of 5
  • Tank Size: 20 gallons (76 liters)
  • Temperature Range: 73°F – 81°F (23°C – 27°C)
  • Care Level: Easy
  • Temperament: Peaceful
  • Diet & Feeding: Omnivore; can eat flakes and live foods
  • Adult Size: 2 inches (5 cm)

Remember to provide them with enough space to swim around and plenty of vegetation for them to hide. They’ll bring a touch of the Amazon to your aquatic environment!


Dwarf Gourami

Dwarf Gourami makes excellent tank mates for your Sailfin Molly. They are known for their peaceful nature and vibrant colors.

dwarf gourami

  • Compatibility: 5 out of 5
  • Tank Size: Minimum 10 gallons (38 liters)
  • Temperature Range: 72-82ºF (22-28ºC)
  • Care Level: Easy to Moderate
  • Temperament: Peaceful
  • Diet & Feeding: Omnivorous, feed them tropical flakes and small invertebrates
  • Adult Size: 2-2.4 inches (5-6 cm)

Dwarf Gouramis prefer a well-planted tank that mimics their natural habitat. So, ensure your tank is well decorated with plants and caves to keep them happy and healthy. These visually striking fish will surely add a splash of color and excitement to your aquarium!


You now have an assortment of 25 suitable companions for your Sailfin Molly. Remember, a harmonious tank is vital for the health and happiness of your pets. We’d love to hear about your experiences, so feel free to leave a comment below!

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