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ONLINE STORE
Check Out Our New General Livestock Section – Updated Weekly!
We’ve got everything you need to keep your fish happy and thriving—high-quality WYSIWYG corals and premium dry foods tailored for all types of aquatic buddies. Whether you have tropical swimmers or cold-water pals, our nutrition-packed food helps them grow strong and stay healthy.
Give your aquarium the best—shop now and see the difference!
Important Frozen Food Shipping Notice
All orders require a $25 minimum.
Flat-rate shipping: $39.99 per order
All frozen food orders ship with dry ice and thermal packaging
Special Bundle Offer: Buy 3 selected frozen food products and get 1 free — automatically applied at checkout.
- Anemones
- Acanthastrea
- Acropora
- Additives
- Aquaculture
- Aquael
- Aquarium Supplies
- Automation Controllers
- Beginner Friendly
- Blue & Purple
- Bundles & Packs
- Branching
- Caribsea
- Chalice
- Collector’s Corals
- Colonies
- Coral Care
- CoralVue
- Dry Foods
- Encrusting
- Euphyllia
- Favia & Favites
- Fast Growers
- Filtration & Equipment
- Frags
- Freshwater
- Fritz
- Frozen Foods
- Gorgonians
- Green
- High Flow
- High Light
- Hydros
- Kolar Labs
- Leathers
- LG
- Low Flow
- Low Light
- Ocean Nutrition
- LPS Corals
- Medium Light
- Mini Colonies
- Moderate Flow
- Montipora
- Mushrooms
- Nano Tank Corals
- New Arrivals
- Nu Aqua Systems
- Peaceful / Aggressive
- Plating
- Premium Corals
- Rainbow
- Rare / Ultra Grade
- Red
- Red & Orange
- Reef Octopus
- Reef-Safe
- Ricordea
- Rock
- Saltwater Livestock
- San Francisco Bay Brand
- sera aqua
- Sicce Syncra
- Soft Corals
- SPS Corals
- Staff Picks
- Substrates
- Ultra Color (high-end pieces)
- What's New
- WYSIWYG
- Zoas & Palys
- Zoanthids & Palythoas
- Under $50
- $50–$100
- $100+
GENERAL LIVESTOCK
Our General Livestock section offers a wide variety of freshwater and saltwater fish, inverts, and more to keep your aquarium thriving. Every species is carefully sourced to ensure you receive healthy, high-quality livestock that will grow strong and remain vibrant.
Check back weekly for new livestock arrivals and give your aquarium the best care!
What are you searching for?
WHAT’S IN STORE?
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![Lush green and purple underwater aquatic plants in an aquarium.]()
MEMBERSHIP PROGRAMS
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![Yellow fish in a vibrant coral reef with purple and green corals]()
WEEKLY PROMOTIONS
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![Person in red shirt handing over a paper grocery bag to another person near a window.]()
HOME DELIVERY
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![Black background with a white outline of a fish and the text "Big Fish Aquarium" inside the fish outline.]()
GIFT CARDS
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![Two colorful small fish with blue, orange, and black markings swimming among green aquatic plants.]()
NEW IN STOCK
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![Display of various aquariums supplies, including curved shars, tubing, connectors, and small tools, hanging on a white board at a store.]()
BRANDS WE CARRY
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
Chicago Aquarium Services & Design
SUPER SAVINGS!
GREAT DEALS!
UP TO 50% OFF