Drop Eye in small silvers?

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i had one that got slight DE on one side at 5-7in. he never banged his head or anything and all i feed him was floating pellets.
 
so is DE genetical factors? or is it something which could develop during the growth?
does anyone know what caused it?
I put my red tails aro in a big out door pond together with my KOI fish; this is the second days and everything seems to be normal (I certainly hope so); I was going to put up some images but my pond are due to be cleaned, so its a bit dirty now; besides, there is no forum for KOI??
sorri I am not supposed to be the one asking the questions, I'll put up new topics soon
cheers
 
It is my opinion that DE is due to a weakening of the Superior Rectus muscle secondary to fat deposits in the Orbit of the fish.

While there is photographic evidence of DE occuring in wild Arowanas, most wild Arowanas do not eat as well as captive specimens. The diet captive Aros receive is relatively high in fat.

While many on this thread are reporting DE in juvenile/sub-adult fish, I'm willing to bet these fish are in tip-top condition, fat and sassy and get regular feedings from their loving owners.

Is there a genetic component to DE? Quite likely. A congenital weakening of the Occular Superior Rectus (either unilaterally or bilaterally) is well within the realm of possibilities. Add to that the fat deposits behind the eyeball and sure sounds like a case of DE to me.
 
TheRealMacDaddy;3112200; said:
It is my opinion that DE is due to a weakening of the Superior Rectus muscle secondary to fat deposits in the Orbit of the fish.

While there is photographic evidence of DE occuring in wild Arowanas, most wild Arowanas do not eat as well as captive specimens. The diet captive Aros receive is relatively high in fat.

While many on this thread are reporting DE in juvenile/sub-adult fish, I'm willing to bet these fish are in tip-top condition, fat and sassy and get regular feedings from their loving owners.

Is there a genetic component to DE? Quite likely. A congenital weakening of the Occular Superior Rectus (either unilaterally or bilaterally) is well within the realm of possibilities. Add to that the fat deposits behind the eyeball and sure sounds like a case of DE to me.
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Could you possibly post a link to these "wild aros" with DE. Also I still have yet to see any proof that the tissue build up behind the eye is actually fat.
 
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