WELCOME TO big fish aquarium CHICAGO
weekly promotions
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Visit us to explore the new arrivals and receive expert advice on planting and care. Upgrade your aquarium today with our latest selection of aquatic plants!
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Each week at Big Fish Aquarium, we're excited to introduce fresh arrivals in both our saltwater and freshwater categories. Whether you want to improve your current setup or start a new aquatic journey, we have what you need.
Explore our latest fish species, plants, and unique décor items. Every new addition is carefully selected to guarantee quality and health, catering to both beginners and experienced aquarists.
Come visit us in-store to see our new stock. We can help you create a lively aquatic space that fits your vision. Our team is here to provide support with design, maintenance, and care expertise. Your aquarium adventure begins here. -
Join our membership program and take up to 30% off the below:
Freshwater Fish
Black Neon Tetras: Known for their striking black and silver coloration, these tetras add a vibrant touch to any community tank.
Neon Tetras: Iconic for their bright blue and red stripes, they are peaceful and perfect for beginner aquarists.
Cardinal Tetras: Popular for their vivid blue and red colors and peaceful temperament. Growing to 1.5 inches, they come from the Amazon Basin and thrive in well-planted tanks with soft substrate and dim lighting.
Black Phantom Tetras: These tetras are characterized by their dark bodies and elegant fins, adding a unique aesthetic to aquatic setups.
Siamese Algae Eaters: Effective at controlling algae growth, these fish are essential for maintaining a balanced aquarium environment.
Saltwater Corals
SPS (Small Polyp Stony) Frags: popular among aquarists seeking to beautify their reef aquariums. Known for their hard structure and vibrant colors, they enhance any marine setup. When choosing SPS frags, consider lighting, water flow, and water quality, which are vital for their health.
Elegance Corals: With their flowing tentacles and vibrant colors, elegance corals are a captivating addition to any saltwater tank.
Lobophyllia: This hardy coral offers great colors and textures, making it a favorite among reef enthusiasts.
Symphyllia: Known for its unique structure and appealing colors, symphyllia adds depth and character to coral displays.
Dry Goods
All In-stock UNS Tanks: Our selection of UNS tanks features high-quality designs ideal for both freshwater and saltwater environments.
UNS Atmos LED Background: This innovative LED background provides excellent lighting while enhancing the visual appeal of your aquarium.
Marineland Biowheel LED Tank Kits: These all-in-one kits include everything you need to get started with an aquarium.
Tideline Spiderwood: This unique driftwood provides a natural aesthetic while serving as a great hiding place for fish.
For any additional questions or inquiries about our products and services, feel free to contact us.
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55 Gallon Aquarium Setup - $400
This setup includes: light, glass tops, stand and tank only.Ideal for beginners and hobbyists seeking an affordable yet comprehensive solution for maintaining aquatic life.
72 Gallon Aquarium Setup - $1000
This setup includes: reef ready tank, lid and solid oak standPerfect for enthusiasts looking for a more expansive and personalized aquatic environment, offering greater versatility in fish and plant selection.
Chicago Aquarium Services & Design
SUPER SAVINGS!
GREAT DEALS!
UP TO 50% OFF
JOIN THE BIG FISH MEMBERSHIP PROGRAM
Included:
$5 coupon for livestock every month
10 gallons of free RO freshwater with $10 purchase
2-day warranty on fish out of quarantine
Free basic strip test
Included:
$10 Livestock coupon every month
10 gallons of free RO freshwater with $10 purchase
7-day guarantee on fish out of QT Free advanced water tests
5% Discount on all purchases
Included:
$20 Livestock coupon every month
10 gallons of free RO freshwater with $10 purchase
7-day guarantee on fish out of QT Free advanced water tests
10% Discount on all purchases
AQUARIUM SERVICES
Selecting the perfect tank can feel overwhelming, but don't worry – we're here to assist you! Take advantage of our personalized consultations to discover the ideal aquarium design for your space and lifestyle. With our expert guidance, you'll gain all the knowledge necessary for maintaining a beautiful saltwater aquarium or freshwater aquarium with beautiful live corals, tropical fish, aquarium plants and more.
Contact Us
Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!