I found these online, don't know how far you are from them.
102 1st Ave
Coralville, IA 52241-2602
Not only the best store in Iowa you would be hard pressed to find a store anywhere with a better selection of fresh and saltwater fish or a more knowledgeable staff .
Date of visit:
907 Main St.
Adel Iowa 50003
Great Africans and Plecos. Service unbeatable!!
Dan's Tropical Fish and Pet Supply
914 Broadway Street
West Burlington, Iowa 52655
The store is a new store a lot of the employees are very familiar with the fish and problems compatibility and care. I feel it well worth your time to stop by this store. Dan carries a good selection of both salt water and fresh water fish.
Formerly Dan's Tropical Fish and Pet Supply, 702 East Agency Road, West Burlington, IA. Moved to a larger location in November 2003. Full line of pet supplies. Tropical, ornamental, and saltwater fish. Live rock and inverts. Birds, Small Animals, Reptiles. No cats or dogs, but supplies for both. Open 7 days a week.