How to Put Eggs in Aquarium Subnautica: Complete Guide for Beginners

If you’re a fan of Subnautica, you may have heard of the practice of putting eggs in aquariums. This can add a new dimension to your gameplay, but you may be wondering why you should do it and what benefits it brings. In Subnautica, eggs can hatch into a variety of creatures that can help you in different ways, from providing food to serving as companions.

By collecting and incubating eggs in an aquarium, you can also observe their growth and behavior up close. However, this process can be tricky and requires some knowledge and preparation. In this blog, we’ll explore the ins and outs of putting eggs in aquariums in Subnautica, including what creatures you can hatch, how to collect and hatch eggs, and what to expect from your aquarium inhabitants.

So, grab your scuba gear and let’s dive in!

What are the Types of Eggs in Subnautica?

In Subnautica, there are several different types of eggs that players can find and collect to put in their aquarium. One type of egg is the Crashfish Egg, which is obtained by picking up a Crashfish plant while it is charging and then waiting for it to explode, revealing an egg. Another type is the Sandshark Egg, which can be found in the Safe Shallows and the Kelp Forest.

The Stalker Egg is also a popular choice for players, as it can eventually hatch into a pet stalker. These eggs can be obtained by stealing them from the Stalkers themselves or finding them in various locations throughout the game. In order to put eggs in your aquarium, simply pick it up and then place it in the tank.

It’s important to note that some eggs may take longer to hatch than others, and the creatures that hatch from them may have specific needs or requirements. Nonetheless, collecting and hatching different types of eggs can add an exciting new dimension to the game and provide players with new challenges to overcome. So why not give it a try and see what kind of pets you can hatch in Subnautica?

Crashfish Egg

Subnautica is a vast and fascinating underwater world that has captivated gamers for years. One interesting feature about this game is the different kinds of eggs it offers. One of these is the Crashfish Egg, which is unique compared to the others.

Crashfish Eggs are typically found in Crash Zone biomes and can be quite challenging to collect as they are often hidden in cramped crevices. The eggs take a considerable amount of time to incubate, and require a steady supply of heat in order to hatch. Once hatched, the Crashfish will enable the player to craft various items that can come in handy while exploring underwater.

The Crashfish Eggs are also a crucial ingredient in crafting certain modules and vehicles in the game. Collecting them can be a challenge, but the effort is definitely worth it as they play a significant role in making the gameplay easier and smoother for players.

how to put eggs in aquarium subnautica

Garryfish Egg

Subnautica is a game that takes place in the depths of the ocean, which means that players will encounter various creatures and organisms unique to this environment. One of the most important items in the game is the egg, which can be collected and hatched to obtain new creatures that can be used for different purposes. One such egg is the Garryfish Egg.

This egg is obtained by collecting eggs from Garryfish, which are a type of fish that can be found in the Shallow Twisty Bridges biome. What sets the Garryfish Egg apart from other types of eggs in Subnautica is its ability to be used as food. Once hatched, the Garryfish can be cooked and eaten, providing the player with a valuable source of sustenance.

Overall, the Garryfish Egg is just one example of the many types of eggs that can be found in Subnautica, each with their unique properties and uses.

Holefish Egg

In Subnautica, there are various types of eggs available that players can collect and hatch in their aquariums. One of the most unique and intriguing eggs found is the Holefish Egg. These eggs are quite small in size, resembling tiny white balls with black spots.

You can find them attached to the walls of caves and crevices in the game. Once hatched, the Holefish is an excellent source of food for players and can offer essential nutrients and energy. The Holefish itself has fascinating characteristics, including its ability to emit a bright light that can attract predators or potential mates.

Overall, the Holefish Egg is just one of the many fascinating types of eggs that players can collect and utilize to their advantage in the Subnautica game.

Reginald Egg

Subnautica is a popular survival game where players explore the depths of the ocean in search of resources. One of the most important resources in the game is eggs, which can be harvested from a variety of creatures. The most common type of egg in Subnautica is the Reginald egg.

These eggs can be found in the kelp forests and are a great source of nutrition. However, they are also highly sought after by larger predators, so players need to be careful when collecting them. In addition to Reginald eggs, there are also a number of other types of eggs in the game.

Some of the more exotic types include the Spotted Dockleaf egg, the Gel Sack egg, and the Sea Crown egg. Each of these eggs has its own unique properties and uses, so players will need to experiment to find out which ones work best for their particular needs. Overall, eggs are an essential part of the Subnautica experience, and players who learn to harvest them effectively will have a much easier time surviving in the dangerous waters of the game.

Preparations before Filling Your Aquarium with Eggs

Before filling your aquarium with eggs in Subnautica, there are a few important preparations you should make. First, you’ll need to find the eggs you want to hatch. Some of the easiest and most common eggs to hatch include the peeper, bladderfish, and hoopfish.

You’ll also need a way to incubate the eggs properly. This can be done using an alien containment unit or a simple aquarium with a hatchery module. The next step is to ensure your aquarium is ready to support the new life you’re about to introduce.

This means checking the water parameters, such as temperature, salinity, and pH levels, and making any necessary adjustments. You should also add decorations and plants to provide hiding spots and shelter for the new hatchlings. Once everything is in place, carefully place the eggs in the aquarium using gloves or tongs to avoid damaging them.

With all the proper preparations in place, your new aquatic friends should thrive and grow in their new home.

Check Your Aquarium Size and Capacity

When it comes to breeding fish, it’s important to make sure you have the right size aquarium and the necessary capacity to support the fish and their eggs. Before filling your tank with eggs, you should ensure that you have the appropriate-sized aquarium for the specific type of fish you’re breeding. You don’t want to overcrowd your tank and risk an unhealthy environment for the fish to thrive.

Additionally, it’s essential to determine the capacity of your aquarium to support the number of eggs to be bred. Overpopulating the tank with eggs could result in reduced oxygen levels and increased waste, which can cause severe health problems for the fish and jeopardize the survival of the eggs. So, do your research and evaluate the size and capacity of your aquarium before filling it with eggs to ensure you create a healthy environment for your fish and their hatchlings.

Determine How Many Eggs You Want to Add

If you’re thinking about adding eggs to your aquarium, the first step is to determine how many eggs you want to add. This will depend on a few factors, including the size of your tank and the type of fish you have. It’s important to not overcrowd your tank as this can lead to poor water quality and even disease.

A good rule of thumb is to add one to two eggs per gallon of water, but be sure to check the specific requirements for your particular species. Before adding eggs, it’s also a good idea to prepare your aquarium. This includes cleaning the tank, checking the water quality, and ensuring that the temperature and pH levels are appropriate for your fish.

With the right preparation and careful consideration, adding eggs to your aquarium can be a rewarding experience for any fish owner.

Sort the Eggs by Type

Once you’ve decided to breed your fish, sorting the eggs by type is an important preparation before filling your aquarium. Sorting ensures that the eggs of each fish species are kept separate, avoiding any confusion when it comes to hatching. It’s best to use a fine mesh net to separate the eggs from the aquarium water, gently scooping up each clutch and placing them in a separate container.

Be sure to label each container with the name of the fish species and the date the eggs were laid. With the eggs properly sorted, you can then focus on providing the optimal conditions for their development, such as the right temperature, oxygen level, and water quality. By taking the time to sort and prepare, you’ll increase the chances of a successful breeding and healthy offspring.

Make Sure Your Aquarium is Clean

Before filling your aquarium with eggs, it is important to make sure your aquarium is clean. It is recommended to clean your aquarium regularly to prevent any harmful bacteria and algae buildup that could harm the eggs. A good way to clean your aquarium is by using an algae scraper to remove any algae buildup on the glass walls.

You can also use a vacuum to remove any debris and uneaten food that may be sitting at the bottom of the aquarium. Cleaning your aquarium before filling it with eggs will create a healthy environment for your fish eggs to thrive. Remember that a clean environment will reduce the stress on your fish, allowing them to focus on growing and developing the eggs.

Don’t rush the cleaning process as it is an important step in ensuring the success of your fish egg project.

Steps to Put Eggs in Aquarium

If you’re playing Subnautica and want to hatch some eggs in your aquarium, there are a few steps you should follow. First, you’ll need to gather eggs by exploring the ocean and scanning creatures. Once you have eggs, you can use the Alien Containment module to hatch them.

To do this, place the eggs inside the containment unit and wait for them to hatch. You may need to provide them with appropriate food if they don’t have enough nearby. You can also use the scanner room to locate specific types of eggs more easily.

It’s important to note that not all eggs will hatch, and some may take longer than others. However, with some patience, you can fill your aquarium with a variety of fascinating creatures to observe and study. So go ahead and try putting some eggs in your aquarium – who knows what kinds of amazing marine life you might discover!

Step 1: Open the Aquarium

If you’re looking forward to putting eggs in an aquarium, there are some important steps you’ll need to follow to ensure a successful process. The very first step is to open the aquarium and get it ready for the eggs. This involves checking that the water temperature is optimal for the specific species of fish you’re dealing with, making sure the filter and other equipment are working properly, and checking the pH levels in the water.

Once you’ve done all this, it’s important to make sure the aquarium is clean and free of debris and harmful substances. This will create a safe and healthy environment for the eggs to hatch and thrive. By taking these necessary precautions, you’ll be on your way to successfully hatching fish eggs in your aquarium.

Step 2: Add Eggs into the Aquarium

Adding eggs into your aquarium is an exciting process, but it requires careful attention to detail. Once you have prepared your tank and selected the appropriate eggs, it’s time to add them in. Start by gently pouring the eggs into the water, making sure not to crush or damage them.

It’s important to monitor the eggs closely and ensure that they are settling to the bottom of the tank. You may also consider adding a mesh bag or net to keep the eggs in a specific area and prevent them from floating away. It’s important to note that different species of eggs may have different requirements, such as water temperature and lighting.

Be sure to research the specific needs of the eggs you are working with to ensure their optimal growth and development. With proper care and attention, your aquarium will be home to many happy and healthy fish in no time!

Step 3: Close the Aquarium and Wait for Hatching

After adding the eggs to your aquarium and ensuring that they have settled at the bottom, it’s time to close the lid or cover the tank with a mesh. This step is crucial as it prevents any predators or debris from getting into the tank or disturbing the eggs. It’s important not to disturb the eggs during this period, as the embryos need time to develop and hatch.

The incubation period will depend on the species of fish and the temperature of the water. Some fish may take several days to hatch, while others may take several weeks. It’s essential to keep a close eye on the eggs during this time, ensuring that the water temperature remains stable and that there is enough oxygen in the tank.

Once the eggs have hatched, you can remove the cover and begin feeding the fry. With patience and care, you’ll soon have a thriving community of fish in your aquarium. Remember to always research the specific needs of the fish species you are breeding to ensure that they have the best chance of survival.

Conclusion and Cautions

In the end, putting eggs in aquariums in Subnautica is an egg-citing adventure full of opportunities for experimentation and customization. As a savvy Subnautican, you have a range of egg-cellent options at your disposal, from finding and hatching your own eggs to seeking out new and unique species to add to your undersea menagerie. So go ahead and dive into the depths of your imagination, and let your aquatic creativity run wild!”

Monitor the Hatching Process

If you want to watch your fish tank come to life, consider getting eggs for your aquarium. However, it’s important to know the right way to put eggs in your tank. First, make sure you have the right environment for the eggs to hatch.

The temperature and water conditions must be optimal for the species of fish you’re trying to breed. Once you have the right conditions, carefully add the eggs to the tank and monitor the hatching process. You may need to adjust the water or temperature to ensure the eggs hatch successfully.

It’s important to also remove any unfertilized or dead eggs to prevent contamination and maintain water quality. Once the eggs hatch, it’s important to provide appropriate food and care for the young fish. By following the proper steps, you can successfully hatch fish eggs in your aquarium and enjoy watching them grow and thrive.

Avoid Overcrowding in Your Aquarium

Overcrowding in an aquarium can be disastrous for your fish and aquatic plants. You need to ensure the right balance to maintain a healthy environment. One of the ways to achieve this is by adding fewer eggs to your aquarium.

When you decide to put eggs in your aquarium, always remember to follow the correct procedure. Firstly, you need to make sure the aquarium is completely clean and filled with water at the correct temperature. Next, choose a specific spot in your aquarium for the eggs.

You can place them in a small, shallow dish or carefully lay them on a leaf. Make sure that the eggs are placed in an area where they are least likely to be disturbed. Lastly, maintain a stable and consistent temperature throughout the incubation period and keep monitoring the eggs’ progress.

With these steps, you can keep the eggs safe and healthy, and get to watch them hatch into beautiful aquatic creatures. Remember, overcrowding can leave your aquarium vulnerable, so always practice care and consideration for your aquatic pets.

Keep the Aquarium Clean for Better Egg Hatching Results

If you’re planning to hatch eggs in an aquarium, it’s essential to keep the aquarium clean for the best results. The cleanliness of the water plays a crucial role in the success of egg hatching. The first step in putting eggs in an aquarium is to prepare a suitable environment.

Ensure that the water in the aquarium is clean and free from any harmful chemicals. You can use a water conditioner to neutralize the chemicals in the water. Once you have prepared the environment, carefully introduce the eggs into the aquarium.

It’s important not to disturb the eggs or move them around too much. You should also monitor the temperature and pH levels regularly and make necessary adjustments if needed. With a clean and well-maintained aquarium, the eggs will have a better chance of hatching successfully.

Remember to keep the aquarium clean by regularly cleaning the filters and changing the water. With a bit of patience and diligence, you can enjoy a successful and rewarding egg hatching experience.

Be Careful with Your Eggs and Handle Them with Caution

Handling eggs in the aquarium can be a delicate process, and it’s important to take all necessary precautions to keep them safe. First, make sure to choose healthy eggs from a reputable supplier. When placing them in the aquarium, gently submerge them in a shallow area, ensuring they’re not disturbed by water currents or other fish.

It’s important to keep a close eye on the eggs, as they can be very fragile and easily damaged. Once they hatch, the young fish will need to be fed a special diet to help them grow and thrive. Remember, eggs are the beginning of new life, and should be handled with the utmost care and respect.

By taking the proper steps, you can ensure the health and well-being of your new aquatic pets.


Why would someone want to put eggs in their aquarium in Subnautica?
A player may want to put eggs in their aquarium to grow and study different types of fish in Subnautica.

What types of eggs can be put in the aquarium in Subnautica?
Players can put eggs of various fish, including peepers, bladderfish, and reefbacks, in their aquarium.

How do you collect eggs in Subnautica?
Players can collect eggs by scanning the fish and their eggs with their scanner tool or by finding them in caves and crevices around the game world.

Can all fish eggs be placed in the aquarium?
No, some eggs, like those of predators like the stalkers and sandsharks, cannot be placed in the aquarium and will hatch into dangerous creatures.

How do you hatch eggs in the aquarium in Subnautica?
Eggs placed in the aquarium will hatch over time and grow into fish that can be released back into the wild or harvested for food.

How many eggs can you put in the aquarium at once in Subnautica?
The size of the aquarium will determine how many eggs can be placed at once, but players can always remove fish or eggs to make room for new ones.

What benefits can you gain from having an egg aquarium in Subnautica?
Players can use the egg aquarium to study fish for various purposes and even breed certain fish to create new variants with unique traits.