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How Many Ghost Shrimp in a 5 Gallon Tank: A Detailed Answer

How Many Ghost Shrimp to Keep in small tank? If you’re considering setting up a 5-gallon tank and want to keep ghost shrimp as pets, you might wonder how many ghost shrimp in a 5 gallon tank can comfortably inhabit such a space.

Ghost shrimps are tiny and reproduce wildly with a negligible amount of waste. Thus, knowing how many ghost shrimp per gallon you should keep is tricky.

However, ensuring that the shrimp tank is clean is essential, as this can lead to problems such as inadequate oxygen levels and increased waste production.

Does ghost shrimp eat algae

In a 5-gallon tank, a good rule of thumb is to have around two ghost shrimp per gallon. This allows for sufficient swimming space and ensures that each shrimp can find enough food to thrive.

So if you plan to keep ghost shrimp in your tank, read on to learn more about creating a suitable environment for ghost shrimp in a 5-gallon tank : A Detailed Answer

How Many Ghost Shrimp in a 5 Gallon Tank?

How many shrimp in a 5 gallons tank can live healthily? The number of ghost shrimp you can keep in a 5-gallon tank depends on factors such as the tank setup, filtration, and the intended use of the tank.

Ghost shrimp are quite small and generally do well in small aquariums. However, it’s essential to consider their space requirements and the overall bioload they contribute to the tank. 

As a general guideline, a 5-gallon tank can comfortably accommodate around 10 to 15 ghost shrimp. It’s important not to overcrowd the tank as it can lead to stress, aggression, and poor water quality.

What Do Baby Ghost Shrimp Eat

Providing enough hiding spots and vegetation will also help create a more suitable environment for the shrimp.

Remember to closely monitor the water parameters and perform regular maintenance to ensure a healthy and stable environment for the ghost shrimp.

How Many Ghost Shrimp Per Gallon?

The general rule of thumb for how many ghost shrimp you can keep per gallon is 5. However, the pet shrimp number can vary depending on a lot of factors, such as the size of the shrimp, the number of tankmates, and the water quality.

  • Size of the shrimp: Ghost shrimp come in a variety of sizes. Most miniature ghost shrimp are only about 1 inch long, while the largest can grow 2 inches long. The larger the shrimp, the more space they need. So, if you have large ghost shrimp, reduce the number of shrimp per gallon.
  • Number of tankmates: If you have other tankmates in your aquarium, you must reduce the number of ghost shrimp you keep per gallon. This is because ghost shrimp are prey animals that larger fish can eat.
  • Quality of the water: Ghost shrimp are sensitive to poor water quality. If the water in your aquarium is not clean, you must reduce the number of ghost shrimp you keep per gallon.

Here is a table that summarizes the factors that affect how many ghost shrimp you can keep per gallon:


The general rule of thumb for how many ghost shrimp you can keep per gallon is 5. However, this number can fluctuate depending on a number of factors, such as the size of the shrimp, the number of tankmates, and the quality of the water.

  • Size of the shrimp: Ghost shrimp come in a variety of sizes. The smallest ghost shrimp are only about 1 inch long, while the largest can grow to be 2 inches long. The larger the shrimp, the more space they need. So, if you have large ghost shrimp, you may want to reduce the number of shrimp per gallon.
  • Number of tankmates: If you have other tankmates in your aquarium, you will need to reduce the number of ghost shrimp you keep per gallon. This is because ghost shrimp are prey animals and can be eaten by larger fish.
  • Quality of the water: Ghost shrimp are sensitive to poor water quality. If the water in your aquarium is not clean, you will need to reduce the number of ghost shrimp you keep per gallon.

Here is a table that summarizes the factors that affect how many ghost shrimp you can keep per gallon:

FactorEffect
Size of the shrimpLarger shrimp need more space
Number of tankmatesMore tankmates means less space for ghost shrimp
Quality of the waterPoor water quality can stress ghost shrimp and make them more susceptible to disease


The general rule of thumb for how many ghost shrimp you can keep per gallon is 5. However, this number can fluctuate depending on a number of factors, such as the size of the shrimp, the number of tankmates, and the quality of the water.

  • Size of the shrimp: Ghost shrimp come in a variety of sizes. The smallest ghost shrimp are only about 1 inch long, while the largest can grow to be 2 inches long. The larger the shrimp, the more space they need. So, if you have large ghost shrimp, you may want to reduce the number of shrimp per gallon.
  • Number of tankmates: If you have other tankmates in your aquarium, you will need to reduce the number of ghost shrimp you keep per gallon. This is because ghost shrimp are prey animals and can be eaten by larger fish.
  • Quality of the water: Ghost shrimp are sensitive to poor water quality. If the water in your aquarium is not clean, you will need to reduce the number of ghost shrimp you keep per gallon.


The general rule of thumb for how many ghost shrimp you can keep per gallon is 5. However, this number can fluctuate depending on a number of factors, such as the size of the shrimp, the number of tankmates, and the quality of the water.

  • Size of the shrimp: Ghost shrimp come in a variety of sizes. The smallest ghost shrimp are only about 1 inch long, while the largest can grow to be 2 inches long. The larger the shrimp, the more space they need. So, if you have large ghost shrimp, you may want to reduce the number of shrimp per gallon.
  • Number of tankmates: If you have other tankmates in your aquarium, you will need to reduce the number of ghost shrimp you keep per gallon. This is because ghost shrimp are prey animals and can be eaten by larger fish.
  • Quality of the water: Ghost shrimp are sensitive to poor water quality. If the water in your aquarium is not clean, you will need to reduce the number of ghost shrimp you keep per gallon.

Generally, it is best to start with a small number of ghost shrimp and gradually add more as you get to know your aquarium and the shrimp’s needs.

If you see that the shrimp are stressed or if the water quality starts to decline, you can reduce the number of shrimp in the tank.

Here are some additional tips for keeping ghost shrimp:

  • Provide plenty of hideouts for the shrimp. This will help them feel safe and secure.
  • Add live plants to the aquarium. The live aquatic plants will provide food and shelter for the shrimp.
  • Feed the shrimp varied algae, flake, and frozen food diet.
  • Change the water in the aquarium regularly. This will help keep the water clean and free of pollutants.

With proper care, ghost shrimp can make great additions to your aquarium. They are relatively easy to care for and help keep your tank clean.

Ghost Shrimp Population and Tank Size

The number of ghost shrimp you can comfortably accommodate in a 5-gallon tank depends on various factors, including tank size, compatibility with other species, and shrimp behavior.

Generally, it is recommended to have around 2 to 4 ghost shrimp in a 5-gallon tank. This ensures that each shrimp has enough space to move around without feeling overcrowded.

Shrimp Per Gallon of Water

For a 5-gallon tank, the recommended range of ghost shrimp per gallon of water is approximately 1 to 2 shrimp. This allows for a healthy environment where each shrimp can thrive and exhibit natural behaviors without competing for resources.

Ghost Shrimp Tank Mates and Compatibility

Consider the tank mates when determining the number of ghost shrimp to add. Given their calm and non-aggressive nature, if you have other peaceful species like betta or small community fish, you can keep a slightly higher number of ghost shrimp, around 3 to 4.

However, if you plan to save more aggressive fish, keeping the shrimp population on the lower side is best to prevent potential conflicts.

Ghost Shrimp Behavior and Social Nature

Ghost shrimp are social creatures, and they tend to thrive in groups. Keeping a small colony of 3 to 4 shrimp can create a more natural and engaging environment for these fascinating creatures. A larger group also helps alleviate stress and encourages natural behaviors like grazing and interaction.

Ghost Shrimp Population and Tank Size

The size of your tank is crucial in determining the number of ghost shrimp you can keep. In a 5-gallon tank, you have limited space compared to larger aquariums. It’s essential to balance providing a suitable environment for your shrimp and preventing overcrowding.

Ideal Number of Ghost Shrimp

An ideal number of ghost shrimp for a 5-gallon tank would be around 2 to 3. This allows each shrimp ample space to swim, explore, and find hiding spots. Overcrowding can lead to stress, aggressive behavior, and compromised water quality, all of which can impact the health and well-being of your shrimp.

Shrimp Behavior and Hierarchy

It’s important to note that ghost shrimp, like many other species, have a social hierarchy within their group. Keeping a smaller number of shrimp can help prevent dominance issues and ensure a harmonious coexistence within the tank.

Comparing Ghost Shrimp and Cherry Shrimp

Cherry shrimp are another famous freshwater aquarium inhabitant known for their vibrant colors and peaceful nature. When considering the number of shrimp for your 5-gallon tank, you might wonder how many cherry shrimp you can add in addition to ghost shrimp.

Balancing the Population

A general guideline for shrimp per gallon of water also applies to cherry shrimp. For a 5-gallon tank, you can aim for approximately 1 to 2 cherry shrimp per gallon. If you already have a small colony of ghost shrimp, you can add a few cherry shrimp to the mix while maintaining a healthy and well-balanced ecosystem.

How Many Shrimp Are Needed For a Colony?

When owning a colony of ghost shrimp, the question of how many shrimp are needed arises. Beginning with at least ten ghost shrimp is advisable to ensure a healthy and stable population.

These shrimp are known for their ability to breed in captivity, so starting with a decent number will increase the chances of successful reproduction.

Additionally, ghost shrimp can benefit the aquarium as they act as natural filter feeders, helping clean the tank. It is important to note that if one intends to breed and raise the shrimp, a separate tank is recommended to ensure optimal conditions for the young shrimp to thrive.

What Can Happen If You Keep Too Many Shrimp?

Keeping too many shrimp in an aquarium can have several negative consequences, including:

  • Poor water quality. The more shrimp you have in an aquarium, the more waste they will produce. This can lead to ammonia and nitrite spikes, which are toxic to shrimp.
  • Increased aggression. When shrimp are overcrowded, they may become more aggressive toward each other. This can lead to injuries and even death.
  • Disease outbreaks. Overcrowded aquariums are more susceptible to disease outbreaks. This is because the waste produced by the shrimp can weaken their immune systems and make them more vulnerable to infection.
  • Reduced breeding. Shrimp need plenty of space to breed. If overcrowded, they may be unable to find mates or suitable places to release their eggs.

If you are considering keeping shrimp in an aquarium, it is essential to research how many shrimp can be safely kept in a specific-size tank. Aiming for one shrimp per 2 gallons of water is a good rule. However, this number may vary depending on the species of shrimp you are keeping and the tank’s other inhabitants.

If you find that you have too many shrimp in your aquarium, there are a few things you can do to control the population:

  • Sell or give away some of your shrimp. This is the most humane way to control the population.
  • Separate the male and female ghost shrimp. This will prevent them from breeding.
  • Euthanize some of the shrimp. This is the least desirable option, but it may be necessary if the population is out of control.

It is essential to control the population of shrimp in your aquarium to ensure the health of your glass shrimp.

What’s The Best Tank Size For Glass Shrimp?

The best size tank for ghost shrimp is a 10-gallon tank. This will give them enough swimming space to roam and breed. You can keep up to 15 ghost shrimp in a 10-gallon tank, but it’s best to start with ten shrimp and see how they do. You can add more shrimp later if they are doing well.

A 5-gallon fish tank is the minimum size for ghost shrimp, but it could be better. In a 5-gallon tank, you should only keep 5-10 ghost shrimp. With more than ten shrimp, the tank will quickly become overcrowded, and the water quality will suffer.

It’s important to note that the number of ghost shrimp you can keep in a tank also depends on the other species of fish you have.

Some fish, such as betta fish, can be aggressive towards ghost shrimp. If you have other fish in your tank, it’s best to do your research to ensure they are compatible with ghost shrimp.

Here are some tips for keeping your ghost shrimp happy in a 10-gallon tank:

  • Add plenty of plants and decorations to give the shrimp places to hide and feel secure.
  • Use a sponge filter or other low-flow filter to avoid creating strong currents.
  • Keep the Ghost shrimp tank water temperature between 65 and 80 degrees Fahrenheit.
  • Test the water quality regularly and make sure the pH is between 6.5 and 7.5.
  • Feed the shrimp various foods, such as algae wafers, spirulina flakes, and frozen brine shrimp.

With proper care, ghost shrimp can live for up to 2 years in a 10-gallon tank. They are a great addition to any freshwater aquarium and make a fun and rewarding pet.

What Factors Can Influence The Ghost Shrimp Number You Can Keep?

Several factors influence the number of ghost shrimp you can keep in an aquarium:

  1. The tank size plays a crucial role. A larger tank can accommodate more shrimp, while a smaller tank has limited space.
  2. The number of ghost shrimp will also depend on whether the tank has a community of other fish or animals. If the tank is crowded with other inhabitants, it may not be suitable for keeping many shrimp.
  3. The availability of hiding spots and hiding places in the tank can affect the number of ghost shrimp you can keep.

With enough hiding spots, the shrimp may feel relaxed and secure. Therefore, it is crucial to consider these factors when determining the number of ghost shrimp you can successfully keep in your aquarium.

How to Control Ghost Shrimp Population in the Tank?

Ghost shrimp are prolific breeders, and their population can quickly get out of control in a small tank. Here are some tips on how to control your ghost shrimp population:

  • Use a bigger tank. A 10-gallon tank is excellent for a small ghost shrimp colony. If you have more than ten ghost shrimp, you’ll need a larger tank to give them enough space to breed and grow.
  • Remove pregnant ghost shrimp. When you see a ghost shrimp carrying eggs, remove her to a separate tank. She will give birth to many shrimplets; you don’t want them to overpopulate your main tank.
  • Add fish that eat shrimp. Some fish, such as bettas, will eat ghost shrimp. This can help to control the population, but it’s important to choose fish that are not too aggressive, as they could also harm the adult shrimp.
  • Reduce food intake. If you feed your ghost shrimp too much, they will produce more eggs. Try to reduce their food intake to just what they need to survive.
  • Do regular water changes. This will assist in removing any debris or leftover food that could contribute to overpopulation.
  • Sell or give away your extra shrimp. If you have more ghost shrimp than you can keep, you can sell them or give them to other hobbyists. This is a great way to control your population and help others enjoy these fascinating creatures.

Here are some additional tips:

  • Avoid overcrowding. A good rule of thumb is to have at most 3-4 ghost shrimp per gallon of tank volume.
  • Provide plenty of hiding places. Ghost shrimp are shy creatures and need plenty of places to hide from predators. Live plants, rocks, and driftwood are all good options.
  • Maintain good water quality. Ghost shrimp are sensitive to water quality, so keeping the tank water clean and free of pollutants is essential.
  • Monitor your population closely. If you start to see a lot of pregnant ghost shrimp, or if the population is increasing, you may need to take some steps to control it.

By following these tips, you can help control your ghost shrimp population and enjoy these fascinating creatures for many years.

What To Do With Too Many Ghost Shrimp?

If you find abundant ghost shrimp in your aquarium, consider transferring them to a larger tank to accommodate their growing population.

Depending on your tank’s size and the type of ghost shrimp you have, this can help create a healthier environment. If your tank is too small or houses aggressive species that may eat ghost shrimp, consider setting up a separate tank for them.

It’s also important to note the presence of female ghost shrimp, as they may require a separate space to avoid potential conflicts. Proper management ensures the well-being of your ghost shrimp population.

What Is the Temperament & Behavior of A Ghost Shrimp?

Ghost shrimps are fascinating creatures commonly found in aquariums. They are known for their calm and peaceful temperament, making them suitable tank mates in community setups.

These shrimps are social and can be found swimming and foraging in groups. They are also known for their fascinating behavior of digging tunnels and caves in the aquarium substrate. Ghost shrimps are omnivores with a voracious appetite, constantly scavenging for food.

They play a crucial role in maintaining a clean aquarium by consuming leftover food and residue, helping to prevent water pollution. Despite their small size, ghost shrimps are generally very active and entertaining, making them popular among aquarium enthusiasts.

Best Ghost Shrimp Tank Mates

Several choices exist regarding finding the best ghost shrimp tank mates. One top choice is small, peaceful fish like neon tetras or guppies. These fish are an excellent fit for the ghost shrimp tank as they are small enough not to pose a threat to the shrimp.

Another option is to add other invertebrates, such as snails or dwarf crayfish. These tank mates will coexist peacefully with ghost shrimps as they have similar habitat requirements.

Lastly, certain species of dwarf bottom-dwelling fish, like pygmy Corydoras, can also be compatible with ghost shrimps. It is crucial to choose tank mates that are not aggressive or known to hunt shrimps, as they may threaten the well-being of the ghost shrimps.

Commonly Asked Questions about Ghost Shrimp in a Tank (FAQs)

Can I keep ghost shrimp in a 5-gallon tank with other fish species? 

Yes, you can. However, it’s essential to choose peaceful and non-aggressive tank mates to ensure the well-being of your ghost shrimp. Betta fish and small community fish are usually good options.

What happens if I keep too many ghost shrimp in a 5-gallon tank? 

Overcrowding can lead to stress, increased resource competition, and decreased water quality. Maintaining an appropriate shrimp population ensures a healthy and thriving aquarium.

How do I know if my ghost shrimp are happy and healthy? 

Happy and healthy ghost shrimp exhibit active behavior, such as swimming, grazing, and interacting with other shrimp. They also have clear and vibrant coloration. Monitoring their behavior and water parameters can help ensure their well-being.

How many ghost shrimp in a 10-gallon tank?

How many ghost shrimp can live in a 5 gallon tank? A 10-gallon tank can house 20-30 ghost shrimp. This number is based on the minimum of 2 ghost shrimp per gallon and the maximum of 5 ghost shrimp per gallon. It is important to note that this is just a general guideline, and the number of ghost shrimp in a tank will vary depending on the individual tank setup and the size of the shrimp.

How many ghost shrimp can I add to a 5-gallon tank?

How many ghost shrimp can u put in a 5 gallon tank? Depending on your tank’s size, adding around five ghost shrimp to a 5-gallon tank is recommended.

Can I keep ghost shrimp in a community tank with fish?

Yes, ghost shrimp can coexist with fish in the same tank. However, choosing compatible tankmates that won’t harm or eat the ghost shrimp is important.

How many ghost shrimp should I keep per gallon?

As a general guideline, keeping one ghost shrimp per gallon of water in your tank is recommended.

Can female and male ghost shrimp live together in the same tank?

Female and male ghost shrimp can live together in the same tank without issues.

How many ghost shrimp are there in a ghost shrimp breeding colony?

The number of ghost shrimp in a breeding colony can vary, but a typical settlement can have several dozen ghost shrimp.

How to keep ghost shrimp happy and healthy?

To keep your ghost shrimp happy and healthy, ensure they have proper water conditions, ample hiding spots, and a balanced diet of algae, pellets, and other small food particles.

Can ghost shrimp breed in a freshwater aquarium?

Yes, ghost shrimp are known to breed in freshwater aquariums. However, it is essential to provide them with optimal water parameters and sufficient hiding places for successful breeding.

How to know if my ghost shrimp is female or male?

Telling the gender of ghost shrimp can be a bit challenging. However, females tend to have broader and rounder bodies compared to males. Additionally, females may have a saddle-like structure (developing eggs) on their backs.

What is the optimal water temperature for ghost shrimp?

Ghost shrimp thrive in water temperatures ranging from 72°F to 81°F (22°C to 28°C). Maintaining a consistent and suitable water temperature is crucial for their well-being.

Can ghost shrimp live with other shrimp species?

Yes, ghost shrimp can usually coexist peacefully with other species, such as cherry or amano shrimp, as long as the tank conditions and water parameters suit all the species involved.

How many ghost shrimp in a 2.5 gallon tank?

In a 2.5-gallon tank, keeping a maximum of 5-10 ghost shrimp is recommended. The exact number may vary depending on the size of the shrimp and the tank’s filtration and maintenance capabilities.

How many ghost shrimp in a 3.5 gallon tank?

In a 3.5-gallon tank, keeping a maximum of 7-14 ghost shrimp is recommended. The number may vary based on factors like shrimp size and tank conditions, so monitoring water quality and providing adequate space for the shrimp to thrive is essential.

How many ghost shrimp can you have in a 5 gallon tank with a betta?

How many ghost shrimp can you put in a 5 gallon tank? In a 5-gallon tank with a betta, it is best to keep 2-3 ghost shrimp. It’s essential to ensure sufficient hiding spots and monitor the betta’s behavior towards the shrimp. Some bettas may exhibit aggression towards tank mates, so careful observation is necessary.

Final Thoughts

So, do you need to know how many ghost shrimp are in a 5 gallon tank? In conclusion, if you’re wondering how many ghost shrimp you can keep in a 5-gallon tank, it’s essential to consider the well-being of these fascinating creatures. While there is no definitive answer, keeping only a few ghost shrimp in a tank of this size is generally recommended. Ghost shrimp require space to roam and thrive, and overcrowding can lead to stress and aggression. Maintaining a balanced ecosystem is crucial, ensuring proper filtration, water quality, and regular monitoring of ammonia levels.

You can create a happy and healthy home for your ghost shrimp by providing a suitable environment and meeting their basic needs. Remember, responsible pet ownership means prioritizing the welfare of these delicate creatures. So, consider the space and resources available before deciding the number of ghost shrimp for your 5-gallon tank.

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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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