Not a big fan of bi-orbs myself, the choice of fish you can put in is fairly limited BUT it does look fantastic though, good job. Whatever the bi-orb instructions say about cycling- ignore it and have a read of this: http://www.fishkeeping.co.uk/modules/ ... PHPSESSID=77d266871ad7576 Hope that helps! I think the bi-orb instructions tell you to use a fish to cycle it, which is unnecessary and a bit cruel Let us know how you get on
As Fishy-Fishy has already said the bi-orb was designed to be more pleasing to the eye than a good enviroment to keep fish healthy in so when it comes to stocking you must be a little more wary than with a standard tank and filter. Firstly I wouldnt advise danios in there... they are a very active fish for the top of the aquarium and the design of the orb will limit their swimming space which is something very importanat to this kind of fish. Id go more for White Cloud Mountain Minnows(but be carefull they dont breed to much) or if you have the heater pack a nice small group of neons would add lots of colour.
Please cycle the orb fully before you do anything though
Euryale is right, zebra danios are much to active for them. i would either stock with 4 WCMM's OR a single paradise fish. but that is the best looking bi-orb i've seen.