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Im trying to breed these deformed albino corys. to make a permanent strain. right now i have 5 to breed (picked out 5 adnormal corys from the LFS regular albino corys) but because of there shape its hard to tell the sexes apart. i beleive 2 are females based on size and finage. they are pretty much albino corrys. but what makes them diffrent is there pectoral fins are rounder larger compared to the rest of the body,. the tail finage is really small, and the spiny dorsal is long with the trailing fins short. the body is really compact in the shape of a circle compared to the normal tear drop shape of a cory. ill try to have pictures. they look like a balloon version of corys. if you have ever seen thoughs wind up water toy whales, then you should recognize the shape.

any one have any idea or expereinces with slective breeding?

ive only selectivly breed guppies before, im guessing only 50% of the mutant genes will pass on to the offspring with the rest being normal. then breed thoughs offspring to get a higher percentage.

Well, the percentage of mutant genes that go to the offspring will depend on whether the mutant trait is dominant or recessive. Since I haven't heard of other cories like that, I'm guessing that the poor fish exhibit recessive genes.

I really don't see why you want to go through with this. Cories are perfect the way they are, active and adorable. Though it may be fun to try and establish a different-looking fish, I certainly don't think it is necessary. Cories don't need changing at all.

Last edited by sirbooks at 15-Feb-2005 13:58

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And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."

I agree with SirBooks, why would you want to breed mutated cories? Would they be able to live a high quality life with those mutations? I would hate to see cories with bodies as exagerated as some of the different kinds of fancy goldfish.

Plus, would you find a market for those fish? Is it a lethal gene mutation? So many things to consider.

I'm going to side with the above on this. I'm no fan of grossly teratogenic fish.

Now if you happen to have a long-finned mutation, that would be slightly different, provided that the long finnage doesn't have adverse effects associated with it such as shortened lifespan or an increased susceptibility to cancers and the like. I'm more inclined to look favourably upon a benign long-fin mutation if it exists because Peppered Corys in the wild exhibit long tall dorsals - at least in the males. Sadly, the tall impressive dorsals of Peppered Cory males seem to have been bred out of the domesticated stock.

Panda Catfish fan and keeper/breeder since Christmas 2002