Originally Posted by HN1
A danio that changes color based on nitrate level...
I can see it now in the sick fish forum...
"55g tank, 10 guppies, 6 API Master Freshwater Test Danios..."
"ammonia - One danio is blue, nitrite- 3 danios are yellow, nitrate- 2 danios are green"
"What, exactly, is the internet? Basically it is a global network exchanging digitized data in such a way that any computer, anywhere, that is equipped with a device called a 'modem', can make a noise like a duck choking on a kazoo." - Dave Barry