Top Low-Maintenance Freshwater Fish for Custom Aquariums in Chicago
- David Robison
- Nov 28, 2025
- 4 min read
Creating a custom aquarium in Chicago offers a unique chance to bring a slice of underwater life into your home or office. Yet, many aquarium enthusiasts, especially beginners, face the challenge of choosing fish that are both beautiful and easy to care for. The good news is that the Chicago area has access to a variety of freshwater fish that thrive in custom tanks without demanding constant attention. This guide highlights some of the best low-maintenance freshwater fish Chicago hobbyists can find, helping you build a vibrant, healthy aquarium with minimal hassle.
Why Choose Low-Maintenance Freshwater Fish in Chicago
Setting up a custom tank is exciting, but maintaining it can be time-consuming. Many fish require specific water conditions, diets, and social environments. For those new to the hobby or anyone with a busy schedule, selecting hardy, adaptable species is key. Low-maintenance fish reduce the risk of illness and stress, making your aquarium a source of relaxation rather than frustration.
Chicago’s climate and water quality also influence fish choices. While most aquarium fish live in controlled environments, local aquarium stores offer species well-suited to the area’s conditions and readily available supplies. Searching for “aquarium fish near me” in Chicago will often lead you to stores with knowledgeable staff who can provide custom tank fish recommendations tailored to your setup.
Top Low-Maintenance Freshwater Fish for Chicago Aquariums
1. Betta Fish (Betta splendens)
Betta fish are a popular choice for beginners in Chicago due to their vibrant colors and ease of care. They do well in smaller tanks and do not require aeration because they breathe atmospheric air with their labyrinth organ.
Tank size: Minimum 5 gallons
Water temperature: 75–80°F
Diet: Pellets, frozen or live food
Care tips: Avoid housing males together to prevent aggression; females can live in groups with enough space.
Betta fish are often available at any Chicago aquarium store and make excellent starter fish for custom tanks.
2. Corydoras Catfish
Corydoras catfish are bottom dwellers that help keep the tank clean by scavenging leftover food. They are peaceful and do well in community tanks.
Tank size: Minimum 10 gallons
Water temperature: 72–78°F
Diet: Sinking pellets, flakes, and occasional live food
Care tips: Keep in groups of at least 4 to encourage natural behavior.
These fish are hardy and adapt well to a variety of water conditions, making them a solid choice for beginner freshwater fish Chicago enthusiasts.
3. Neon Tetras
Neon tetras are small, colorful schooling fish that add a striking blue and red shimmer to any aquarium. They thrive in groups and are relatively easy to care for.
Tank size: Minimum 10 gallons
Water temperature: 70–81°F
Diet: Flakes, micro pellets, and occasional live food
Care tips: Keep in groups of 6 or more to reduce stress and encourage schooling.
Neon tetras are widely available in Chicago aquarium stores and fit well in community tanks with other peaceful species.
4. Guppies
Guppies are lively, colorful fish that breed easily and adapt to various water conditions. They are a favorite for beginners due to their resilience and active behavior.
Tank size: Minimum 10 gallons
Water temperature: 72–82°F
Diet: Flakes, pellets, and live food
Care tips: Control breeding by keeping only males or females, or separate sexes.
Guppies are a great option for those searching for “aquarium fish near me” in Chicago, as they are commonly stocked and affordable.
5. Platies
Platies are peaceful, hardy fish that come in many colors and patterns. They tolerate a wide range of water conditions and are easy to care for.
Tank size: Minimum 10 gallons
Water temperature: 70–77°F
Diet: Flakes, pellets, and vegetables
Care tips: Keep in groups to prevent stress; they breed readily.
Platies are excellent for custom tank fish recommendations due to their adaptability and low maintenance.
6. Zebra Danios
Zebra danios are active, striped fish that tolerate cooler water temperatures better than many tropical species. They are robust and easy to care for.
Tank size: Minimum 10 gallons
Water temperature: 64–75°F
Diet: Flakes, pellets, and live food
Care tips: Keep in groups of 5 or more to encourage natural schooling.
Their hardiness makes them a smart choice for beginner freshwater fish Chicago hobbyists.
7. Cherry Barbs
Cherry barbs are peaceful, colorful fish that do well in community tanks. They are easy to care for and add a splash of red to your aquarium.
Tank size: Minimum 15 gallons
Water temperature: 74–79°F
Diet: Flakes, pellets, and live food
Care tips: Keep in groups of 6 or more to reduce aggression.
Cherry barbs are a solid option for those looking for low-maintenance fish that thrive in Chicago’s aquarium stores.
Tips for Choosing Fish at a Chicago Aquarium Store
When visiting a Chicago aquarium store, keep these points in mind to find the best fish for your custom tank:
Ask for custom tank fish recommendations based on your tank size, filtration, and lighting.
Look for healthy fish with clear eyes, intact fins, and active swimming behavior.
Avoid fish that appear lethargic or have visible signs of disease.
Consider the compatibility of fish species to avoid aggression.
Request advice on water parameters and feeding schedules.
Many Chicago aquarium stores offer starter kits and beginner freshwater fish Chicago packages that include everything you need to get started.
Setting Up Your Custom Aquarium for Success
Choosing the right fish is only part of the equation. Setting up your tank properly ensures your fish thrive with minimal maintenance.
Cycle your tank before adding fish to establish beneficial bacteria.
Use a quality filter suitable for your tank size.
Maintain stable water temperature with a reliable heater.
Perform regular water changes (about 20% weekly) to keep water clean.
Avoid overfeeding to reduce waste buildup.
Add live or artificial plants to provide hiding spots and improve water quality.
By following these steps, your low-maintenance freshwater fish will stay healthy and vibrant.
Finding the Best Freshwater Fish Chicago Has to Offer
Chicago offers many options for aquarium enthusiasts. Searching for “aquarium fish near me” will lead you to local stores with a wide selection of species and expert advice. Many stores also provide online catalogs and delivery options, making it easier to find the perfect fish for your custom tank.
Whether you want a peaceful community tank or a striking centerpiece fish, Chicago aquarium stores can help you find low-maintenance options that fit your lifestyle and tank setup.
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