Mebbid
Aquarium Advice Addict
Guppy tank size: How big a tank do guppies need? - Guppy Fish Care
6 guppies for a 6 gallon tank is fine guys very interesting how the link I was given said I couldn't even have one! It seems that everyone has an opinion but nobody actually can give a scientific reason for their opinion.
After reading loads of different sites and links I totally believe that 2 Corys and 2 guppies will not be too big a bio-load for my 26 litre tank especially since I've a strong filter with plenty of sponge surface area and real plants to help keep the water stable
That's a very typical response from someone that doesn't like what they hear. It's easy to search around on the internet and find a single place that says it's okay to do something when a multitude of others states that it is not. For the record the link you posted says 3g minimum for 1 and an additional gallon for each so your tank could support 3 going with these rules.
Recommended tank size:
20g
http://static.fjcdn.com/gifs/To+The+Front+Page+.+Oh+god+I+can+feel+that_699a71_4925907.gif
20g
Female Blue Variegated Guppy, Guppies for Freshwater Aquariums | PetSolutions
10g
guppies - Tank Size
10g, 20g preferred
How to Keep Guppies Happy - Pets
10g
Care - Guppy Fish - The Best Aquarium Pet
3g
Guppy tank size: How big a tank do guppies need? - Guppy Fish Care
I could keep throwing links at you but I hope you get the point in this case. Proper research generally means throwing out the one that states something radically different from the others. I stated earlier that they might be okay in a 6g tank provided that there aren't any females. That is FAR from an ideal situation though. However That is an unacceptable tank size for the cory cats.
There is also a point that I don't think has been made in that it's not the bio filter that we are referring to in regards to minimum tank size. Instead we are talking about activity of the fish. Much like you wouldn't keep a dog in a crate for its entire life, you shouldn't keep a fish in a tank that's too small for its life either. This article is focused on large fish as that's the one that commonly has issues with this but the article is the same for all fish.
Stunted growth means stunted lives — Seriously Fish
But the fact that you don't seem to care at all means all of this was just a waste of my time.