Apple Snail Book

["Colin Anderson" <colin_d_anderson at hotmail_com>]

Hi,

I'm interested in the following book:

Dr. Gloria Perrera, Apple Snails in the Aquarium : Ampullariids : Their 
Identification, Care, and Breeding 
(http://www.amazon.com/exec/obidos/ASIN/0793820855/qid=919884676/sr=1-2/002-0318442-0469024)

Has anyone out there read it?

Is there much information on genetics?

I've got them breeding madly and am coming up with four colour 
variations and a wide variety of growth rates.  Colors are basically,

1)Purple with dark stripes
2)Opalescent 'whiter' color with no stripes
3)Normal brown with dark and light stripes
4)'Caramel' brown with no stripes

The last batch I've raised has yielded snails that after 2.5 months vary 
from a little under the size of a pencil eraser to the size of a golf 
ball.  I've no idea why the wide variation in growth rates--besides 
evolutionary ponderances.

And I know they're herbivorous, it doesn't matter, I've got about eighty 
of them growing in a 33 planted, they only eat the detritus and algae on 
the glass, the perfect pet, right!?!?  They NEVER touch the plants.  But 
I can only state this for the young, the adults may be a slight bet more 
agressive but I really doubt they'd cause much damage.  They(adults) 
didn't like windelov java fern so...

Colin Anderson

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