Jen wrote:
All the books I have describe Danios as tropical fish, but all the pet shops
here sell them as cold water fish. What's going on?


Jen

They are indeed tropical fish. your LFS must have mistaken them with
white cloud minnows, which are more suited to 18-21 degree temp. range.
Brachydanio spp. hail from the South Asian area which falls in the
tropics.