Choosing Fish for Your Tank
Saltwater Fish | Tropical Fish | Inverts | Snails | Aquarium Supplies in Chicago
Now Live!
We’re excited to announce that our General Livestock Collection is officially launched. After a slow rollout, we’ve fine-tuned our offering to match what our customers are asking for most.
Shop now and get FREE shipping on orders of $150 or more.
Your Local Source for Live Fish + Inverts in Chicago
Big Fish Aquarium is proud to be one of the top-rated fish stores in Chicago, offering both in-store livestock and live shipping to nearby suburbs like Skokie, Oak Park, Elmwood Park, Forest Park, Morton Grove, and nationwide.
We stock a rotating collection of aquarium fish, saltwater fish, tropical fish, invertebrates, and pet fish to suit every level of experience. Whether you’re setting up your first fish tank live or expanding a reef system, our livestock is hand-selected to support a healthy, thriving ecosystem.
Please note: Our online inventory is different from our in-store availability. If you’re looking for a specific species you don’t see listed online, give us a call at 773-295-5175 or stop by—we may have it in-store or can help you source it.
Not Sure What to Buy?
Whether you're new to the hobby or upgrading your tank, we're here to help. We’ll guide you through stocking a saltwater aquarium, choosing compatible aquarium fish, or adding useful invertebrates to keep your system balanced.
Stop by or reach out for expert advice and support.
What You'll Find
Our general livestock inventory includes:
Saltwater Fish: Clownfish, Gobies, Tangs, Wrasses. Great for saltwater aquariums and reef tanks.
Tropical Fish (Freshwater): Bettas, Tetras, Guppies, Angelfish. A favorite among tropical fish store shoppers for community tanks.
Invertebrates & Snails: Shrimp, Crabs, Sea Stars, Urchins — reef-safe and essential for cleanup.
Live Fish Tank Stock: We update our collection weekly to reflect demand and health.
Disclaimer
Please note: Our General Stock ≠ WYSIWYG. Species listed reflect typical availability, but color, size, and pattern may vary. Photos are for reference only—not the exact fish you will receive.
Need Supplies Too?
Don’t forget to check out our Dry Goods and ever-changing WYSIWYG selection—updated weekly with unique, hand-selected livestock and gear.