good art.. zig i 2 am glad to see this topic...i have about 8,000 gal devoted to gold fish.. one pond @ bigest you cant see the fish till feeding time. it is a small swiming pool the fish are doing fine...no filter no any thing lol...i have noticed black frey is that possable never seen before?? i believe they are fan tails... i put a six inch red and white fan tail in my 1,000 gal. pond he/she has morphed* out to be white any one have an answer to morphing out white..