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Re: pH sexratio Pelvicachromis

Many thanks Mike

Mike & Diane Wise a écrit:

> Jacques,
> In general, this is correct. Lower pH values produce more Pelvicachromis males. However
> each species or form has a different pH value where you produce equal numbers of males
> and females. The Common Krib (Pv. pulcher) has a 50/50 ratio at around pH 7. The Giant
> Krib (Pv. sp. aff. pulcher) has a 50/50 ratio at around 6.3. At this same pH (6.3) you
> get 75%+ male Pv. pulcher. The secret to getting the proper ratio of males and females
> depends upon finding each species' preferred pH value.

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