10 Best Large Peaceful Community Fish For Your Freshwater Aquarium

When you acquire a fish keeping hobby, large fish are more likely to attract you. But whether the fish is small or big, it needs to be friendly and peaceful to go into a community tank. So, what are the large yet peaceful fish that can live in a community tank?

Few large peaceful fish like clown loach, keyhole cichlid, Roseline torpedo shark, pearl gourami, etc. can be ideal choices for community tanks.

Which of them will let smaller fish live in the same tank? What are these large fish like? What factors make them good as community fish?

Let’s dive in to find the answers to these questions.

10 Best Large Peaceful Community Fish For Your Freshwater Aquarium

Here is the list of 10 large fish that are peaceful as well as ideal for a community tank. If it is the community tank you are aiming for with large fish, choose from the list below after reading what they prefer and what they don’t.

Clown Loach

Size 12 inches
Temperature 75 to 85 °F
pH 6 to 7.5
Care Level Moderate
Hardness 5 to 15 dKH
Tank Size 150-gallons
Temperament Peaceful
Diet Carnivore

The best thing about this fish is, you can’t resist petting it once you see it. These large fish have beautiful color combinations with all orange, black strips on the body, and red fins.

These active yet peaceful fish are more for the community tank than for the dinner table. They are so amusing to look at as they are generally very active and will feed on wide varieties of food.

Clown loaches can go from worms to snails and enjoy any food equally. And they don’t even bother small fish in the tank.

Clowns with all the beautiful traits have one more to it, they prefer to live along with the school with 4 members. Moreover, these schooling fish prefers to hide among plants and don’t like bright lights.

They can live happily with any non-aggressive fish but it is better to go for medium-sized fast-moving fish.

The best tank mates for clown loaches are tetras, rainbowfish, gourami, barbs, larger rasboras, and other clown loaches as well.

But you need to make sure there is no fish present in the tank that has long and fancy fins.

Roseline Torpedo Shark

Size 5.9 inches
Temperature 59 to 77 °F
pH 6.5 to 7.8
Care Level Easy but needs Experience plus special care
Hardness 5- 20 dKH
Tank Size 55+ gallons
Temperament Peaceful mostly
Diet Omnivorous

Related Article: How To Set 50-Gallons Tank

When you think about additional large fish to the community tank, the first few choices that you can go for include this beautiful, bright, inquisitive, and active fish.

These Roseline Torpedo Sharks go by few other names as well. Some of them are Denison’s barb, Redline torpedo barb, the Indian Flasher barb, etc.

Although Roseline is considered in the endangered list of species that doesn’t stop it to be an ideal choice.

These fish are one of the large fish that are peaceful and easy to care for. Being an endangered species, they are not suitable for beginners and must be handled with great care and attention.

They are quite aggressive towards each other around dawn and dusk, so don’t feed them around those times.

When it comes to tank mates for these fish, go for fish that are not aggressive or easily intimidated. And also look closely for fish that aren’t picky, can grab their food quickly, and have similar water requirements.

Except for blackwater species, other Asian and Central or South American fish are in the list of tank mates for these large fish.

You can go for Red-tailed rasbora, golden dwarf cichlids, corydoras, plecos, rainbowfish, few tetras, and few Danios.

Pearl Gourami

Size 4-5 inches
Temperature 77 to 82 °F
pH 6 to 8
Care Level Moderate
Hardness 5-15 dKH
Tank Size 30-gallons
Temperament Peaceful
Diet Omnivorous

Pearl gourami is large yet peaceful making itself ideal for community tanks as well. Their pearly appearance and a dark line running horizontally through the body make them beautiful to look at.

Being one of the most brightly colored fish that freshwater fish as well make them popular home aquaria too.

They adjust well with other small schooling fish in the medium to larger community tank adding more beauty to the tank.

These fish, although aren’t very large, are one of the hardy fish due to its capacity to tolerate low oxygen level.

They might need at least 3 members in the tank to live happily and actively.  Moreover, three of these pearly fish make a beautiful centerpiece trio for the community tank.

Dwarf cichlids, danios, guppies, platies, small tetras, swordtails, etc. can be the best tank mates for these pearl gouramis.

You should, however, avoid keeping fin nipping fish like tiger barbs in the same tank as these pearlfish.

Get More Information on: Gourami Fish Diseases and Treatments

Silver Dollar

Size 6 inches
Temperature 72 to 77 °F
pH 5 to 7
Care Level Beginner
Hardness 4 to 8dKH
Tank Size 30-gallons
Temperament Peaceful
Diet Herbivore

The silver dollar is probably the only herbivorous fish on this list. These hardy fish are so easy to care for and don’t ask much once their tank requirements are met.

The silver color and shiny body with the translucent fin make them beautiful as well as desirable to keep in an aquarium.

They are fairly active, and very calm fish that can socialize with a long list of fish. The compatibility of this fish makes it an ideal choice to keep in the community tank.

Silver Dollar is known for its schooling nature and is shy and nervous when kept alone. They are never aggressive neither to each other or any other fish.

Their peaceful and herbivorous trait makes them an ideal companion for slightly smaller fish as well. Likewise, they are top-dwellers making it easier to keep fish that prefer the mid and bottom section of the tank.

But you have to make sure the lid is always closed so that your silver dollar doesn’t jump out of the tank.

The ideal tank mates for these fish include bristlenose, clown plecos, kuhli loaches, cory catfish, and few cichlids like Oscar fish, red empress, etc.

You need to avoid very small fish like neon tetras as they can be mistakenly eaten by these silver dollars.

Also, some fish that are not mentioned above can be compatible with these silver dollars, all you have to check those fish temperament and water requirements. Fish with similar nature and needs can go well with these silver dollars.

Keyhole Cichlid

Size 5 inches
Temperature 72 to 78 °F
pH 6.5 to 7.2
Care Level Beginner
Hardness Up to 20 dKH
Tank Size 28 to 40-gallons
Temperament Peaceful
Diet Omnivorous

One of the most common and popular fish among cichlids is the keyhole cichlid. They are known for their friendly and compatible nature among other fish.

These cichlids are not that large and are very easy to care for. They get their name from the cluster keyhole-like shape around the tail.

Keyhole cichlids might not top the best-selling list due to its dull color but don’t underestimate it with that.

They are one of the best centerpiece fish you can have as they color the aquarium with their unique features. Thanks to its beautiful body pattern, they look distinct yet beautiful in their way.

Odds always stand out no matter what, that’s what helped these cichlids to be a better choice in fishkeeping.

They are so peaceful yet so uniquely beautiful with an amazing personality. Moreover, these large fish tend to mind their own business making them ideal for a community tank.

Large yet intelligent among the cichlids, these keyholes have their own identity and compatibility. You can keep them with most of the calm fish with no issues whatsoever.

Their ideal tank mates are Rainbow cichlids, Corydoras, Gourami, platies, and many more. Avoid keeping any large aggressive fish along with them as these peaceful fish will not fight back.

Common Plecostomus

Size 24 inches
Temperature 72 to 86 °F
pH 6.5 to 7.5
Care Level Beginner
Hardness 3 to 10 dKH
Tank Size 30 to 150-gallons
Temperament Peaceful
Diet Omnivorous

From the Family Loricariidae, these Plecostomus are commonly called plecos and known for their peaceful and nocturnal nature.

They hide during the daytime are mostly active during the night. Some captive-bred, however, have adjusted well into the environment and can be active and playful during the day as well.

Another amazing fact about these fish is: They cling to the side of the aquarium, that’s why often called suckerfish.

These large plecos are also commonly known for their algae-eating trait and find a way into novice aquarium. They are kept among the best category of freshwater algae eaters.

Plecos tend to get aggressive as they age but in the juvenile phase of their life, they can easily live with any tropical fish.

Likewise, these fish when growing into adults prefer larger fish similar to their size. The best options of tank mates to choose from lie among neon tetra, gourami, cory catfish, and ember tetras.


Size 6.5 inches
Temperature 65 to 82 °F
pH 7 to 8.4
Care Level Beginner
Hardness 12 to 30 dKH
Tank Size 15 to 30-gallons
Temperament Peaceful
Diet Omnivorous

Swordtails are popular for being one of the large hardy fish that are friendly and social too. Although they won’t school together, they prefer the company of their species in the tank.

You have a variety of colors to choose from when it comes to swordtails. They are even named based on their color as red swordtails or green swordtails.

These fish are very easy to care for and are very peaceful.

They do great when they are kept with similar shoaling fish or some passive fish. These fish are quite active and make your tank more beautiful than you expect.

Their long caudal fin gives them sword-like tail, hence the name, and makes them so desirable that resisting to get them for your tank is a tough job.

Male swordfish tend to be aggressive towards other male fish so you need to keep 2 females for each male in the tank.

They make a great companion to fish like mollies, platies, and angelfish and even socialize well in the tank. Likewise, some Corydoras with peaceful temperaments go well with these fish.

Some tetras that are larger but are in the school of at least six members can also be kept together with swordtail in the tank.

Bala Shark

Size 13 inches
Temperature 72 to 82 °F
pH 6.5 to 7
Care Level Beginner
Hardness Up to 10 dKH
Tank Size 120 to 150 gallons
Temperament Peaceful
Diet Omnivorous

Bala sharks can be one of the best additions to the community tank rather than home aquaria. Due to their constant growth and tank size needs, it isn’t wise to keep them in your home.

The few tank condition they ask for is the temperature, pH, and tank size, where tank size tops the priority list.

When you plan to pet these fish, you need to make sure you have a tank larger than 120-gallons. Bala Shark, although isn’t a real shark but looks like one, is highly recommended for larger tanks as they are active swimmers.

Also, make sure all other ideal conditions are met and you will have a fish living for nearly 10 years.

These peaceful fish, however, do well in the community tank with their school of 4 or more members. You need to keep them in a school to avoid making them timid and skittish.

Also, avoid keeping them with slow-moving fish as they tend to make slow fish nervous and stressed.

The best tank mates for these large fish when they are still juvenile are larger tetras, Rasbora, Gourami, Rainbowfish, etc.

They mostly prefer larger fish as their tank companion and feed on small fish like tetras, harlequin rasbora and guppies, snails, shrimps, etc.

Tinfoil Barb

Size 14 inches
Temperature 72 to 77 °F
pH 6 to 7
Care Level Beginner
Hardness Up to 10 dKH
Tank Size 176-gallons
Temperament Peaceful
Diet Omnivorous

Tinfoil Barb is known for its fast-growing nature and often outgrows the small tank. So, when you plan on getting large fish, it can get quite expensive.

You need to have a tank with a capacity of 176-gallons and more when it is tinfoil you’re planning to keep. And the tank must have all the ideal conditions that these fish ask for.

These barbs are one of the undemanding fish you can get and are quite easy to keep. Once they adjust to the tank, they will live up to 10 years even with little attention and demands.

Tinfoil barb, although have a peaceful temperament, can eat small fish present in the tank. So, it is better to accompany these fish with large fish and avoid small fish like goldfish and even aggressive ones.

The best tank mates for these barbs are the Silver dollar, Bala Shark, Arowana, fire eel, and clown loach.

These fish, however, are not ideal for home aquaria and are mostly seen in public places with larger tanks.

Likewise, you need to keep them in a school of at least 5 members as they tend to get stressed when kept alone.


Size 12 inches
Temperature 78 to 84 °F
pH 6.8 to 7.8
Care Level Beginner
Hardness 3 to 8 dKH
Tank Size 55-gallons
Temperament Peaceful
Diet Omnivorous

Freshwater Angelfish is one of the most popular large fish which comes as the first choice for most beginners. These fish that belong to the family Cichlidae are known for their graceful swimming behavior.

They are an ideal preference for the large community tank as these fish are friendly and peaceful.

These Angelfish can adjust well in an aquarium with ideal conditions, and once they adapt to the captive situation, these fish are hardy.

Angelfish are omnivorous and feed on most of the tropical food you provide them. They are easy to take care of making themselves the best choice among the large fish.

These angelfish are peaceful fish but can be aggressive towards each other during spawning and breeding.

Angelfish, however, stay calm and compatible with other large peaceful fish. Some suitable tank mates for these fish include larger tetras, Gourami, larger rasboras, rainbow fish, and Corydoras.

They also adjust well with peaceful barbs, some other medium-sized catfish, and even with discus when the temperature is ideal for both.

Angelfish, although, are opportunistic fish and will eat small fish, or anything that fits well in their mouth. So, it is wise to avoid small and aggressive fish in the tank with Angelfish.

Also Read: Angelfish Diseases and Treatments

Frequently Asked Questions

What Can You Get If You Are Beginner In Fish Keeping?

The fish that you can start fish keeping hobby with are Goldfish, Guppies, Neon tetras, Mollies, Zebra Danios, Bushynose plecos from freshwater fish.

And saltwater fish like Clownfish, butterflyfish, watchman goby, pajama cardinalfish can be ideal for beginners.

Which Fish Is Best For Your Home Aquarium?

Neon Tetras, Guppies, Mollies, Goldfish, betta fish, Angelfish, Rainbowfish, etc. are the few best fish for your home aquarium.

What Fish Are Good For Community Tanks?

Cardinal tetras, Rainbowfish, harlequin rasboras, rummy nose tetras, etc. are some best community tank fish.

What Is The Biggest Fish You Can Put In A 10 Gallon Tank?

There is only one fish that you can comfortably put in a 10-gallon tank and that is betta.


In conclusion, you can choose a from the above list that is appropriate fish for your tank. Furthermore, from the above list, you can have centerpiece fish to bottom dwellers in the tank. But act wisely and make sure you keep fish that are compatible with each other. Make sure the smaller fish don’t become prey to the large predator fish. Happy Fish Keeping!

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