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Re: sp.



Sp. is short for species, as opposed to var. (variety) a species is a 
larger grouping than a variety. Species may inter-breed, but will 
almost always produce mules (infertile) whereas varieties of the same 
sp. may interbreed and produce viable offspring. If we're interested in 
conservation (and this is why I got into the hobby), we should avoid 
either possibility. Unfortunately our understanding of what 
differentiateds sp. and var. has got to the stage where it is difficult 
to tell the two apart. My advice is, when possible to try to keep only 
the same var. together and to avoid keeping similar but different fish 
in the same tank. This way we can try to avoid hybrids (crisses between 
vars.). 
If anyone is interested in this subject I would say that "Almost Like a 
Whale" is essential reading. I don't have the author's name (I'm at 
work) but it only lacks the most recent info. about the completion of 
the genome project. Apart from that it's VERY up to date VERY readable 
and VERY complete. HIGHLY recommended. 
I have no connection with author, publisher etc. but think that good, 
well written scientific books are rare and should be recommended 
whenever you discover them.
C:-)lin

----- Mensaje Original -----
De: JerrCarol@aol.com
Fecha: Martes, Abril 10, 2001 3:01 am
Asunto: sp.

> I saw a message you wrote to someone else on the list. You said 
> cacatuoides 
> was a good first apisto to start with. I was kinda glad to hear 
> that. I'm the 
> newbie with the messy tank. Do you think just putting the pair I 
> have in a 10 
> with a couple flower pots would be an okay idea. By the way the 
> guy I got 
> them from said their double red cacatuoides but, the pics I've 
> seen they look 
> more like agazzii. Oh yeah one more thing when I see Sp after the 
> name of an 
> apisto what does that refer too?
> 
> 
> 
> 
> 
> 

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