Now that we have most of the basics covered, it is now time to focus on one of the stars of the aquaponics system: the fish.
Choosing the Right Fish for Your System
When selecting fish for your aquaponics system, consider the following factors:
Temperature Requirements: Ensure the fish species you choose are suitable for the climate and water temperature of your location.
Growth Rate: Some fish grow faster than others, which can impact the overall productivity of your system.
Compatibility: Make sure the fish species you choose are compatible with the plants you intend to grow.
By selecting the appropriate fish food and species for your aquaponics system, you can create a thriving,
sustainable ecosystem that produces fresh, healthy food.
Most freshwater fish and creatures will work in aquaponics, but you do not want to fight nature. Meaning you should be mindful of your area's climate when deciding which variety you will choose. For example: if you are in a cold climate, tilapia must live in warm water and heating water can add to the costs of operation. On the other side, trout need very cold water, and chillers cost a lot to run during the heat of the summer. This doesn't mean you cannot use these options but keep in mind the costs and the health of your fish and plants. Unless you are making a wild fish tank, I would not recommend you using wild caught fish as they can carry diseases, parasites, or even invasive species that can be very hard to deal with. When buying your fish make sure they are legal to possess in your state and county as some fish require certain licensing and other fish are illegal to possess under most circumstances. Always quarantine new fish before adding them into your system. It is easier to clean up a small tank for quarantine than it is to sanitize your whole aquaponics system, which is what you will have to do if that happens. Make sure all new fish are healthy and come from a healthy environment and you trust the breeder or supplier.
Here are the top 10 fish species commonly used in aquaponics systems:
1. Tilapia: Popular due to their hardiness and rapid growth.
2. Trout: Ideal for cooler climates and known for their high protein content.
3. Barramundi: Thrives in warm water and has a good growth rate.
4. Catfish: Hardy and adaptable to various conditions.
5. Bluegill: Great for beginners and suitable for smaller systems.
6. Perch: Fast-growing and adaptable to different environments.
7. Bass: Versatile and can thrive in a range of conditions.
8. Carp: Hardy and can tolerate a variety of water conditions.
9. Crappie: Good for smaller systems and known for their resilience.
10. Goldfish: Easy to care for and can be a good option for beginners.
Each of these fish has its own specific requirements and benefits, so it's important to choose the one that best fits your system and climate.
*Side note: When first starting out, there is no shame in going to the local fish store and purchasing inexpensive goldfish. They are an excellent starter fish that will not cost a small fortune to get.
Joe Leveridge with TXUSFarms.com
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