taking things in a different direction with drop eyes newest theory.

[DeLgAdO]

Here it goes, again, you guys all starting to notice the pattern? I've been closely watching everyone's Silver's that got d.e. and they ALL have resulted from a violent headbanging incident/accident/Aro spazz out/crash head into top or mine did it on a rock. I think in the wild they are free to jump, in captivity they get hurt, thus d.e. NO! I don't have the energy to start a 10 page d.e. debate like the dog has been whipped dead now, just an observation in what everyone is seemingly saying.

My first one even healed when I removed all fish that made him look down and added colored bobbers and only fed floating food, his d.e. got noticeably better until he smacked his heach again, then I said screw it and threw in the towel!

After studying this subject until my eyes crossed, I totally agree that the most likely cause of DE is injury to the head or eye from jumping and hitting tops, etc. It makes the most sense of any of the theories.

I am impressed! We all (some who spoke out) are starting to agree on something for once on here. I believe it because I saw it happen before my eyes.
Mei

dont even think of turning it into fact, its a good observation, but theres still unanswered questions and things that need to be understood.

for one we dont know or understand the anatomy of a silver arowanas eyes, so if its bumping its head, what (within the struture of the eye) is forcing the eye to point downward?


adding to this so called theory, my idea is that every fish that has dropeye has a swollen sac behind its eye, the size of the sac varies for fish to fish, some as minor as to only point the eye in a slightly downward position while others as severe and to where the eye is pointed completely downward with the sac potruding out at the top of the eye.

so in theory when the head is impacted, whatever this thing is within the eye, swells and forces the eye downward, i guess depending of the severity of the impact and the individual fish itself, it can be instantaneous or gradual drop eye. why it nevers goes down i cant even begin to figure out.

now i dont want to hear any of you saying that this IS the cause of drop eye, like when we have new member who want to know what causes drop eye, this is just a theory, an idea. Drop eyes cause is still unknown, and we must leave it at that.

this time though i think we might have a somewhat decent direction to go in.

-Mike

 

[Gr8KarmaSF]

Ummm sounds like a good theory but how do you answer the question of other aros also hiting their heads and not getting eye drop?

 

[DeLgAdO]

Ummm sounds like a good theory but how do you answer the question of other aros also hiting their heads and not getting eye drop?

different species

we will worry about that later......focus on this fish first

and those bullets look like rockets or grenades from a grenade launcher. kehehe

 

[Gr8KarmaSF]

no worries....

it kinda reminds me of how a baby hits their head and their brain can swell up. so perhaps depending on the age of the aro and the severity of the head trauma the tissue behind the eye could also swell up...

make sense?

 

[DeLgAdO]

no worries....

it kinda reminds me of how a baby hits their head and their brain can swell up. so perhaps depending on the age of the aro and the severity of the head trauma the tissue behind the eye could also swell up...

make sense?

theres alittle more to it than just making sense.

human have a much larger more complex brains than fish, and everything in a babys head is extremly fragile especially the nerves that connect the brain to the skull to keep it in place, fish have tiny simple brains so i think no impact would hurt or kill them, if an arowana struck hard enough to kill itself it would die of spinal trama instead.

now back the eyes, again we have little knowledge or understanding of the anatomy of a silver arowanas eye. i couldnt really say man. but it can happen at any age, its just that these bastard are typically more skittish as youngsters than sub adult and adult fish.

 

[neoryan7]

on arofanatics they have an article about some of the members visiting an aro farm. one species is the silver arowana. if you look closely at the pics all the parents have droopy eyes even in a huge pond. and i think i know where the aro in the second pic ended up. http://elearn.mtsac.edu/mcooper/Bio_2/images/Images_with_thumbnails/lab7_p20.jpg

 

[DeLgAdO]

on arofanatics they have an article about some of the members visiting an aro farm. one species is the silver arowana. if you look closely at the pics all the parents have droopy eyes even in a huge pond. and i think i know where the aro in the second pic ended up. http://elearn.mtsac.edu/mcooper/Bio_2/images/Images_with_thumbnails/lab7_p20.jpg

did the parent grow up in a pond?

 

[neoryan7]

http://arofanatics.com/articles/pioneerfarm/image04.jpg

http://arofanatics.com/articles.php?content=pioneerfarm

i dont quite know... possibly maybe its time for an experiment

 

[wizzin]

Great, except that I've read over and over on arofanatics that DE is cured (in Asian aros anyway) by either putting the aro in a pond, or a fiberglass tank sitting on the floor. Forcing the aro to look up cured the DE.

IMO, it's environment vs an event that causes it.

http://arofanatics.com/forums/showthread.php?t=10269&highlight=droop+eye

http://arofanatics.com/forums/showthread.php?t=11156&highlight=droop+eye

http://arofanatics.com/forums/showthread.php?t=94518&highlight=droop+eye

http://www.arofanatics.com/forums/showthread.php?s=&threadid=48674&highlight=hope

http://arofanatics.com/forums/showthread.php?t=38784&highlight=droop+eye

 

[ethnics]

out of everyones theories, i still dont think its fully caused by banging its head.

again this is just my opinion to add to the theory.

none of my aro's jump or spaz. EVER. my smaller aro jus randomly got it 1 day. my bigger one came with 1 eye of DE then all of a sudden 1 day the 2nd eye went down.

delgado, why do you consider the eye "swolen"? if an eye points downwards, the eye has no choice but to fill the area that looks swolen with its upper portion of the eye so it looks swolen but in fact its just an eye shift.

thats like asking "why when i look down, my eye turns white". the aro's eye is not swolen, thats just how its shaped. so when the actual front of the eye points down, the inner part of the eye jus becomes visible.

the aros eye is almost flat, the inner side is rounded. so the eye is shaped like a half moon basically, point the half moon flat part downwards n the rounded part is forced to be seen thus looking "swolen".

DE is such a weird mystery, but to me almost seems natural as part of a growing arowana. some have it, some dont, but in the end every adult aro has it. some get it young, some dont get it til its older. but in the end it happens to all of our aros. every time we find an aro that doesn't have it everyones like OMG OMG NO DE NO DE. its like a miracle. or like finding a snow aro.

maybe adult aro's without it are un-natural since its so rare to see?

just my thoughts.