Fish Tank for Waiting Room

I think almost any fish that hangs out near the top, is bound to be scared by noises. Danios and rasboras, which hug the top and swim actively, may not be, but hatchetfish, butterfly fish, gouramis, golden wonder killies, bettas and other fish which just lie in wait near the waterline, are all going to be startled by a hand in the tank, a sudden flick of the lights, or a loud knock on the glass. It is something to consider, but I wouldn't say a deal breaker.

I can see you are trying to be very conservative with your stocking. I can tell you from experience, having helped many people over the years with their various aquariums, that your sister (and anyone else involved with the aquarium) is bound to find this stocking level sparse and complain about how empty the aquarium seems ;) If you are concerned about bioload, maybe add 6 white clouds to your 6 cherry barbs. They will add very little to the bioload but will add considerable interest :)

I used to have just 6 bronze cories in my 29 gallon tank, but recently added 6 peppered cories (they were mislabeled at Walmart and were only $1.25 each!) It's made a HUGE difference in their behavior, and I can't see that it's affected the bioload. Cories are like loaches for the most part, the more the merrier.
 
yeah and this gets me back to my interest in rainbowfish. Much like Danios they are very active always swimming around and curious and who is walking around the tank. Having fish move a lot makes the tank feel more full.

I already ruled out pleco's on my own because they hide so much during the day, it would be a waste of bioload. I would like to get shrimp in there if possible cherries because they will breed. And having a few kids see my tanks it always surprises me how fascinated little kids are with shrimp. Because all kids have seen fish but when they see a shrimp its wow what is that!! Having the shrimp in nemo just helped that cause even more.
 
Bamboo shrimp are the best! I love mine, he is the star of my 10 gallon tank. I don't know where I'll put him when he outgrows it, but I will definitely make room for him...he is worth it :)
 
In our waiting room we have a tank that has an angel and lots of different tetras. A lot of the doctors offices in our area have tanks of blood parrots.
 
For barbs, what about a bunch of tiger barbs?
 
Toss in some mixed-color sailfin mollies and a few Cory cats. They'll take care of filling the tank in a short time.
 
Personally I like the dwarf neon rainbowfish idea. Pretty hardy, active, and not something people see everyday. A half dozen of those and a male pearl plus the cories would be great.

Conversely, and I hate myself for saying this, but kids love them and they are active....glofish. Not the dyed ones, but the danios that are bread to the color.
 
I think I have come to a final decision. I noticed a trend in some of the fish I was choosing. Many of them were from South America, then I remembered my sister went to Bolivia her senior year. It was part of her degree they send medical students to third world countries to treat people who can't afford medical care. It's a very humbling experience she said and she really enjoyed it.

So I was thinking of making a Bolivian tank for her, or at least a south american tank. First thing for sure is a Bolivian ram will be in it, they are hardier then german blues and being from Bolivia works perfectly as a centerpiece fish. Then a school of corys and a larger school of Xray Tetras. They are hardy tetras and the fact that you can see there bones works out perfectly for a chiropractors office.
 
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