Arowana gill curl in nature

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Stavfish

Feeder Fish
MFK Member
May 30, 2012
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Arizona,USA
After watching several videos of arowana in their natural habitat the Amazon River, It came to my attention that every single one of them has what many people consider to be gill curl. They say that gill curl is caused by either poor water conditions or too small a swimming space. So then I'm assuming the water quality in the Amazon is pretty bad or that the Amazon River is not big enough to properly house Arowana? Look for yourselves ;do a simple Google search on arowana in nature and several videos mostly from National Geographic specials will pop up. These videos clearly show arowana with puffy and protruding gills so much so that when they actually are eating food you can observe the food from a back angle through their gills! I think the theories behind gill curl and exactly what it is need to be Re-examined so that some hobbyists are not unnecessarily taking their fish out of the water and cutting them up in order to "save them". One thing of interest is that these fish that apparently have gill curl are all big fish; 2-3 feet in length or bigger . Any comments Or ideas on this topic?


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Stavfish said:
After watching several videos of arowana in their natural habitat the Amazon River, It came to my attention that every single one of them has what many people consider to be gill curl. They say that gill curl is caused by either poor water conditions or too small a swimming space. So then I'm assuming the water quality in the Amazon is pretty bad or that the Amazon River is not big enough to properly house Arowana? Look for yourselves ;do a simple Google search on arowana in nature and several videos mostly from National Geographic specials will pop up. These videos clearly show arowana with puffy and protruding gills so much so that when they actually are eating food you can observe the food from a back angle through their gills! I think the theories behind gill curl and exactly what it is need to be Re-examined so that some hobbyists are not unnecessarily taking their fish out of the water and cutting them up in order to "save them". One thing of interest is that these fish that apparently have gill curl are all big fish; 2-3 feet in length or bigger . Any comments Or ideas on this topic?
Click to expand...

your thread. you should post links, with the images you are referring to.
 
^ I agree, i watched the video, i saw nothing but healthy gills.

"These videos clearly show arowana with puffy and protruding gills so much so that when they actually are eating food you can observe the food from a back angle through their gills!"

I've never seen a fish that you cant visibly see through their gills. Most predatory fish gulp fish into their mouth which opens their gills hence why you can see the food. the puffy protruding part is actually a gill cover and part of the operculum.

Maybe you have a wrong impression of what gill curl is.
 
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