Are Fruit Tetras dyed or natural?

Can anyone tell me if glow light tetras are natural or dyed? I thought they were natural, but my friend is telling me she KNOWS they are dyed.
 
We looked at the rosey barbs. I think we'll go with them when it comes that time. The males are pretty. And thanks flyfly for settling this ongoing battle for me over the glo-lights!
 
Yup, Glowlights are all natural...you should bet her $20. ;)
 
Mrs. Burns said:
We looked at the rosey barbs. I think we'll go with them when it comes that time. The males are pretty. And thanks flyfly for settling this ongoing battle for me over the glo-lights!

Get at least 6 or 7. The females in a healthy tank will turn from yellow to more pinkish (that is what my females did). My males turn bright red specially in the mornings. Here is a picture of a female Rosy Barb in my tank. You can tell that it is female because it has a more plump build and the colors are lighter than the males. Also looking at it from a top down view will show the rounder stomach. Males are more slender and much redder. They also have a darker black dorsal fin. This picture shows what a healthy low stress environment does to a Rosy Barb's color. Sorry that it is somewhat out of focus but this picture was taken to illustrate a nutrient defficiency in that plant. It also has a picture of a healthy *fruit tetra* which is what a white skirt tetra would look like after the dye has faded away.

Rosy.jpg
 
They are second in the eating heirarchy after goldfish. Chances of any eggs surviving are very slim. I have yet to see a single fry survive as they rather quickly consume any caviar and my tank is rather heavily planted which should normally provide tons of hiding places but not from their mouths so far.
 
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