Quote Originally Posted by badflash
There is no fish I've heard of that meets your criteria. Tilapia are the only fish I know of that reaches market size that quickly, and as you know, they need heat. Nearly all other fish take 2 years.

If you run the numbers with aquaponics, you'll find that the produce ends up being worth twice what the fish are worth, so while a 2 year grow out may seem to be bad, the fish eat less.

The species that are well known in aquaculture in the USA are:
http://www.ksuaquaculture.org/
this link doesn't work for me

I wasn't interested so much in selling the fish, I want to eat them !