Humpback guppies

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guppymonkey

AC Members
Sep 5, 2009
51
0
6
Michigan
So I have been looking up the different diseases that plague my guppies, and one thing I have never been able to solve is the Humpback Disease.:wall:
Info that I have found is that it is a vitamin D deficiency. They need more light?
http://www.guppies.com/index.php?option=com_content&task=view&id=23&Itemid=36
Currently they sit in front of a window and have a T8 standard sun bulb.
Only some of the fish get it.:confused:
pH is at 8 or so, hard water, weekly water changes, all other test are normal or very low.
Only other fish are kuhli loaches and glass shrimp. gravel substrate, back filter, live plants ( java moss, anubias nana, najas grass, crypt.

Any suggestions?:help:
 

XanAvaloni

AC Members
Nov 13, 2009
1,242
0
36
Could it be a genetic thing. Guppies are pretty heavily inbred...

that page you linked too sounded a bit, um, odd....the ability to manufacture Vitamin D from sunlight? That I am pretty sure is confined to land animals, particularly mammals. Not a biochemist so I can't say for sure. But if everything they listed would "kill guppies" I would think the species would be long extinct by now. :)
 

J double R

The Devil
Jan 13, 2007
6,071
2
62
38
Louisiana
Real Name
Jon
In my experience, it's genetic. Guppies came along that had spinal deformities, and the guppies they gave birth to in turn had the same deformities, whereas normally formed guppies gave birth to the same.
 
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