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Can You Eat Fish From Aquaponics? (What You Should Know)

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When building an aquaponics system, identifying the type of fish to raise depends entirely on the practitioner’s goals. If the objective is to raise fish for the nutrients they produce for the plants and also for aesthetic reasons, then ornamental fish such as Koi and Red Ear Sunfish are among the best options. However, if the goal is to raise and harvest fish to be consumed, you have a wide variety of options available to you. So, can you eat fish from aquaponics? Absolutely, but not every type.
Certain fish are not made to be eaten, such as Goldfish. However, there are many other types that you can raise in your aquaponics system that you can eat and enjoy. Most practitioners claim that the best aquaponics fish to raise, harvest, and eat are hardy, have diverse diets, nutritious and are relatively easy to manage. Below is a list of some of the best edible fish for an aquaponics system:
- Tilapia
- Trout
- Perch
- Catfish
- Barramundi
- Largemouth Bass
In this article, we will discuss the different edible fish species to be raised in aquaponics and the specific characteristics that make them suitable for the system.
Tilapia
Tilapia’s mild flavor meat can best be achieved through the following conditions:
Ideal water temperature | pH requirement | Diet | Harvest time |
72° to 86°F | 6.5 to 9 | omnivorous | 6 to 9 months |
Click here to see our in-depth article on how to care for tilapia in aquaponics.
Trout
Trout is another easy to culture fish which is related to char and salmon. Even though it is bonier than other fish species, its meat is delicious because of its carnivorous diet. Trout feeds on fish and other aquatic invertebrates, making its flesh high in protein and fatty acids.
Since trout is a cold-water fish, this can be raised as an alternative to tilapia during colder seasons. But unlike tilapia, trout do not thrive on poor water conditions, and they usually require larger tanks for maximum growth.
Below is the best growing condition for trout:
Ideal water temperature | pH requirement | Diet | Harvest time |
56° to 62°F | 6.5 to 8 | carnivorous | 12 to 18 months |
Click here to see our in-depth article on how to care for trout in aquaponics.
Perch
Perch is an excellent choice for practitioners that are looking for tasty fish to raise. When given pellets with omega three oils, they can retain it, making them more nutritious. Aside from fish feed, perch also consume small fish and shrimp, which contributes to the taste of its flesh.
The most popular perch varieties grown in aquaponics are the Silver and Jade perch. Both types are very adaptable, so they are also suggested for beginners in the system.
In growing perch in your aquaponics tank, here are the ideal conditions to grow them:
Ideal water temperature | pH requirement | Diet | Harvest time |
75° t0 80°F | 6 to 9 | carnivorous | 9 to16 months |
Click here to see our in-depth article on how to care for perch in aquaponics.
Catfish
There are many advantages in growing catfish in aquaponics tanks, one of which is its good tasting meat. Since they feed on a variety of pellets, bugs, fish, and even plants, the taste of its flesh is considered one of the best in aquaponics and often used in significant delicacies worldwide.
Another reason for growing catfish in aquaponics is its ability to withstand different water conditions. It also not territorial and known to be bottom feeders. Some of the best catfish variety is the Channel, African, and Brown Bullhead catfish.
Below is the best growing condition for catfish:
Ideal water temperature | pH requirement | Diet | Harvest time |
65° to 75°F | 5 to 7 | omnivorous | 5 to 10 months |
Click here to see our in-depth article on how to care for catfish in aquaponics.
Barramundi
Barramundi is a warm water fish that is often used in commercial aquaculture. Their meat is often highly prized because of its distinct taste and its nutritional benefits. Like trout, barramundi is also high in omega fatty acids, which is another reason it is one of the best aquaponics fish to eat.
The only disadvantage of barramundi is that it is not suggested to be raised by beginners since they are hard to grow compared to other fish species. They thrive in good water quality and a high amount of dissolved oxygen.
To successfully raise barramundi in your tank, here is its ideal growing condition:
Ideal water temperature | pH requirement | Diet | Harvest time |
74° to 86°F | 6.5 yo 7.2 | carnivorous | 12 months |
Click here to see our in-depth article on how to care for barramundi in aquaponics.
Largemouth Bass
The largemouth bass is one of the best edible fish used in aquaponics because of its growth potential. An adult bass can reach 12 pounds in 12 t0 18 months, and its flesh is quite tasty. This fish species is primarily carnivorous, and they require strict feeding practices.
Bass is not for beginners since they are relatively difficult to manage. They require excellent water quality, so the grower has to check oxygen and pH levels consistently.
To successfully raise largemouth bass in your tank, here is its ideal growing condition:
Ideal water temperature | pH requirement | Diet | Harvest time |
82° to 84°F | 7 to 8 | carnivorous | 12 to 18 months |
Click here to see our in-depth article on how to care for bass in aquaponics.
Conclusion
Some of the best aquaponics fish to eat is tilapia, trout, perch, catfish, barramundi, and largemouth bass. Although these fish species vary when it comes to their suggested growing conditions, all are tasty and can be used to create sumptuous dishes.
They can easily be acquired through local aquaponics stores. You can also check out Amazon since they offer a wide variety of fish species and even pellets and water care solutions.