Perhaps I should remove the largest female and only let him breed with
stock which is already half his genetic stock?

Can I butt in? I had when I started playing with guppies, a male that I
thought was great... Cobra tailed neon green/yellow, and 3 plain jane
females... After he had his way with the girls, I pulled him and put him in
another tank with great looking females... the pretty females didn't make
any pretty babies, probably from stored sperm, but the females that he had
that were empty, were gorgeous...

I can only surmize that after 2 or 3 batches, the offspring get somewhat
diffused colors and not as great of an appearance...

Another problem I had, was when a female became bigger than the male, she
stopped producing, would get pregnant, but would never have fry, ingestion
or whatever... I've got 1 tank that just has 3 large females, no babies, but
I'm not sure why...

These are the reasons we/I miss Jim Brown...

--
RedForeman ©® future fabricator and creator of a ratbike
streetfighter!!! ==========================
2003 TRX450ES
1992 TRX-350 XX (For Sale)
'98 Tacoma Ext Cab 4X4 Lifted....
==========================
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is that better??