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What Fish Can Live with Mollies: 7 Great Choices for Harmony

What fish can live with mollies? Mollies are widespread in freshwater aquariums due to their vibrant colors and peaceful nature. However, finding suitable tank mates for mollies can sometimes be a challenge.

It’s important to choose fish that will coexist peacefully with mollies and not compete for resources or exhibit aggressive behavior.

In this article, we will explore seven great choices for fish that can live harmoniously with mollies. Several species can make great companions for mollies, from peaceful community fish to bottom-dwelling scavengers.

Aquarium enthusiasts can create a balanced and thriving aquatic community by understanding the compatibility of different fish species and their individual needs. 

Whether you’re a beginner or an experienced aquarist, knowing which fish can live with mollies is essential for creating a healthy and harmonious aquarium environment.

So, let’s dive into the world of freshwater fish and discover some excellent companions for mollies! 

What Makes a Good Tank Mate for Molly Fish?

When choosing tank mates for Molly fish, it is crucial to consider their peaceful nature and preference for slightly brackish water conditions.

Good tank mates for Molly fish include other peaceful community fish such as platies, guppies, and swordtails. They also do well with non-aggressive catfish species, such as Corydoras.

Do molly fish need light at night

These fish all share similar water parameters and temperature requirements, making maintaining a harmonious tank environment easier. 

It’s important to avoid keeping Molly fish with fin-nipping or aggressive fish species, as they are quite vulnerable to this behavior. Additionally, it’s best to avoid pairing them with larger, more boisterous fish that could intimidate or outcompete them for food. 

Overall, the best tank mates for Molly fish are those who share their peaceful demeanor and water preferences and are unlikely to cause them stress or harm. 

What Should Know When Choosing Molly Fish Tank Mates

What fish can mollies live with? Choosing suitable tank mates for your molly fish is crucial for their happiness and well-being. Here’s what you need to know:

Temperament:

  • Mollies are peaceful but social fish. They thrive in groups of their kind and do best with other peaceful fish. Avoid aggressive or fin-nipping tank mates.
  • Size matters. Choose fish of similar size to avoid predation or bullying. Mollies typically reach 2-4 inches, so smaller tetras, danios, or rasboras are good options.

Water parameters:

  • Mollies prefer warm, hard water with a pH range of 7.5-8.5. Choose tank mates with similar preferences to avoid stressing them out.
  • Mollies are omnivores. They’ll readily eat flakes, pellets, and veggies. Choose tank mates with similar dietary needs to avoid competition for food.

Specific tank mates:

  • Good choices: Cory catfish, danios, Rasboras, guppies, platies, swordtails, neon tetras, cherry barbs, khuli loaches, shrimp, and snails.
  • Bad choices: Bettas, goldfish, cichlids, angelfish, barbs (some species), Gouramis, and aggressive bottom feeders.

Other factors:

  • Tank size: Don’t overcrowd your tank. A good rule of thumb is 1 inch of fish per gallon of water.
  • Plants: Provide plenty of hiding places and swimming space with artificial or live plants.
  • Acclimation: Introduce new fish slowly to avoid stressing the existing community.

Remember, research is vital! Choosing suitable tank mates will ensure your molly fish live a happy and healthy life in their aquatic home.

What Fish Can Live with Mollies?

Mollies are peaceful and social fish that can thrive in community tanks with various other fish species. Good tank mates for mollies include other livebearer fish species such as guppies, swordtails, and platies. These species have similar water parameter requirements and generally get along well with mollies.

Additionally, mollies can coexist with peaceful bottom-dwelling fish like Corydoras and Otocinclus catfish. These bottom feeders help keep the tank clean and add diversity to the tank ecosystem. Small, non-aggressive tetras like neon or ember tetras can also make good companions for mollies.

It’s essential to consider the size of the tank and the number of fish when choosing the best molly fish tank mates, as overcrowding can lead to stress and aggression among the fish. Providing ample hiding spots and plants in the tank can also help alleviate any potential territorial conflicts among tank mates. 

TOP 7 Great Tank Mates for Molly Fish

Sure, here are seven great tank mates for molly fish:

1. Guppies 

These vibrant fish are peaceful and relatively small, making them good tank mates for mollies. They’re also livebearers, so you can expect to see fry in your tank soon enough.

2. Platies

Like guppy fish, platies are peaceful livebearers that thrive in water conditions like mollies. They come in various colors and patterns to add personality to your tank.

3. Endler’s Livebearers

These little fish are even more peaceful than guppies and platies and are less likely to fin nip. They’re also very prolific breeders, so that you may end up with a colony of Endler’s in no time.

4. Swordtails

Mollies and Swordtails make good tank mates; these fish are slightly larger than mollies but are still peaceful and compatible. Males have a long finned tail fin that makes them quite striking.

5. Zebra Danios

These active fish are a good choice for a community tank with mollies. They’re fast swimmers and will keep the water oxygenated. Provide plenty of hiding places for the mollies, as Danios can be nippy.

6. Corydoras Catfish

These peaceful bottom feeders are a great way to help keep your tank clean. They’ll eat any leftover fish food or algae, and they’re fun to watch as they scavenge around the substrate.

7. Otocinclus Catfish

These tiny catfish are excellent algae eaters and are too small to bother your mollies. They’re also very peaceful and significantly add to any community tank.

Remember: When choosing tank mates for your mollies, it’s essential to consider the size, temperament, and water requirements of all the fish you’re thinking of keeping together. Do some research to ensure everyone will be compatible, and quarantine any new fish before adding them to your main tank.

Where Do Molly Fish Prefer to Live in the Aquarium?

Molly fish are adaptable and curious creatures, so you’ll find them exploring all levels of your aquarium! However, they have specific preferences for different activities:

Mid-water: This is their primary hangout zone. They love swimming freely, chasing each other, and playing in the bubbles. Provide plenty of open space for them to zoom around.

Top of the tank: When feeding time, mollies head to the surface to snatch flakes or pellets. Ensure good water flow at the top to prevent food buildup and maintain good water quality.

Plants and decorations: Mollies appreciate hiding spots and areas to graze on algae. Decorate your tank with live or silk plants, rocks, and driftwood to create a stimulating environment. 

Bottom of the tank: While not their favorite zone, mollies occasionally scavenge for food or rest on the substrate. Ensure the bottom is clean and debris-free to prevent fin rot and other health issues.

Remember:

  • Water temperature: Mollies are tropical fish and prefer warm water between 78°F and 82°F.
  • Water quality: Maintain good water quality with regular water changes and filtration.
  • Tank size: Choose a larger tank, at least 20 gallons for a small group of mollies, and more significant for larger species.

Providing a varied and stimulating environment will create a happy and healthy home for your molly fish friends!

Fish That You Should Not Keep with Mollies

Mollies are peaceful and social freshwater fish that thrive in a community tank. However, certain fish should not be kept with mollies due to potential compatibility issues.

One such fish is the betta, the Siamese fighting fish. Bettas are aggressive and territorial, and they may become stressed and exhibit aggressive behavior toward mollies in the same tank.

Another fish to avoid keeping with mollies is the angelfish, which can also be aggressive and may even nip at the fins of mollies. Additionally, cichlids, especially the more aggressive species, should not be housed with mollies as they may bully and attack them.

Other fish to avoid keeping with mollies include guppies and platies, as they may compete for resources and cause stress to the mollies. To ensure a peaceful and harmonious community, it is essential to research the compatibility of different fish species before adding them to a tank with mollies. 

Where To Buy Aquarium Mates for Mollies

If you’re looking to buy aquarium mates for mollies, there are a few options to consider. Your local pet store is one of the best places to find the best molly fish tank mates. The staff there should know which fish can coexist peacefully with mollies.

Another great option is purchasing from a reputable online seller specializing in aquarium fish. Websites such as LiveAquaria or Aquatic Arts offer various fish compatible with mollies. It’s essential to research before making any purchases, as not all fish are suitable companions for mollies.

Look for species that thrive in similar water conditions and have a peaceful temperament. It’s also important to consider the size of your aquarium and the space requirements of the potential mates for your mollies.

By purchasing from a reliable source and taking the time to make an informed decision, you can ensure a healthy and harmonious community tank for your mollies. 

Here are some places where you can buy aquarium mates for mollies:

  • Consolidated Fish Farms Inc. is located at 10523 Tucker Jones Rd, Riverview, FL 33578, USA. They have a rating of 4.8 stars on Google Maps and are open today from 9:00 AM to 5:00 PM.
  • Reef Life Aquariums is in Birmingham, AL, and is open today from 12:00 PM to 6:00 PM. They have a rating of 4.6 stars on Google Maps.
  • Petco is in Gadsden, AL, and is open today from 9:00 AM to 8:00 PM. They have a rating of 4.2 stars on Google Maps.

I recommend calling the store ahead of time to confirm their availability of aquarium mates for mollies.

What fish can live with mollies and guppies?

What other fish can live with mollies? Peaceful fish like Cory catfish, neon tetras, and shrimp make great tank mates for mollies and guppies, thriving in similar water conditions and posing no threat to their lively fins.

What type of fish can live with mollies?

Mollies thrive with peaceful, small fish! Guppies, platys, tetras, and cory catfish share their water needs and playful temperament, creating a vibrant community.

What should the water parameters be for molly fish?

Thriving mollies prefer warm (75-80°F), slightly alkaline (pH 7.5-8.5) water with zero ammonia/nitrite and nitrate below 30 ppm. Please keep it clean and flowing for fin-tastic health!

What does Molly Fish Eat?

Molly fish are omnivores, enjoying a mix of fish flakes, algae wafers, blanched veggies, and occasional treats like brine shrimp! Keep it balanced and nutritious for happy fins.

What fish can I put with Molly?

Peaceful pals like guppies, tetras, and Cory catfish share Molly’s love for warm, slightly alkaline water and won’t nip their fins! Choose fish with similar temperaments for a harmonious tank.

Do black mollies eat other fish?

No, black mollies are peaceful omnivores and won’t harm other fish. They happily share tanks with similar-sized community fish like guppies and tetras.

Can I put mollies with guppies?

You can put mollies with guppy fish, as they generally have compatible care requirements. Ensure a well-balanced and adequately sized tank, and monitor for any signs of aggression.

What is the male-to-female ratio for mollies?

A 2:1 female-to-male ratio is ideal for mollies! This balance keeps the ladies happy and reduces fin-nipping from overzealous males.

Are molly fish easy to take care of?

Yes, mollyfish are generally considered easy to care for, making them an excellent choice for beginner aquarists!

Conclusion

So, what fish can live with molly fish? In conclusion, careful consideration is vital when finding suitable tank mates for mollies. While mollies are generally peaceful, they have specific requirements that need to be met for a harmonious aquatic community. Opt for peaceful fish species that thrive in similar water conditions, such as guppies, platies, or swordtails. Avoid aggressive or fin-nipping species that may stress out your mollies. Remember to provide ample space and hiding spots for your aquarium’s inhabitants. Doing so can create a thriving and serene underwater ecosystem where mollies and compatible tank mates can coexist happily. So, if you ever wonder, “What fish can live with mollies?” — now you know the answer!

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About Me

I am the founder of infishtank.com, a devoted wife and mother, and an avid fish enthusiast. My aim is to assist fellow fish lovers worldwide in understanding how to properly care for and breed their pet fish.

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