Shy, Inactive Fish
Veterinary & Aquatic Services Department, Drs. Foster & Smith

Q. I have a 90-gallon aquarium that I set up over 9 months ago. There are only a few fish in the tank, but the problem is they constantly hide in the nooks and crannies of my decorative rock. The fish are otherwise healthy and eat very well. I don't want to remove most of the decorations from the tank just to see the fish. Do you have any recommendations?
 
A. Some species of fish will be shy in an aquarium, especially if there are only a few larger specimens in the tank. Keep your decorative rock, since it provides your fish with structure and hiding places to relieve stress. Try placing a school of six chromis, wrasse, or other highly active fish in the tank. Adding a mix of active fish to your tank helps encourage the shyer species to venture out into the open more often. This way you can enjoy all of your fish.

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