[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: GAR breeding and Barometric Pressures

To: killietalk at aka_org
Subject: Re: GAR breeding and Barometric Pressures
From: Doug Karpa-Wilson <dkarpawi at indiana_edu>
Date: Wed, 28 Jun 2000 16:12:29 -0500
In-Reply-To: <004d01bfdefb$36af9f20$07159fd4@killifish>
References: <200006250928.FAA24527 at actwin_com><395674BC.5DB222 at atchison_com>


>As an example, I have found on countless times over the years whilst keeping
>Aphyosemion sp. & collecting eggs daily there is a pattern of egg production
>high & low which cannot be explained by temperature, water changes & food.
>The only thing which affects all the tanks in the fish house apart from
>these criteria is barometric pressure.


It might just be due to internal cycles.  They may get tired or whatever
and change production on that basis.  It may also be random.  Lastly, it
may have to do with changes in light, either total amount or some spectral
quality.

Doug

Doug Karpa-Wilson
Department of Biology
Indiana University
Jordan Hall
1001 E. 3rd St.
Bloomington, IN 47405


---------------
See http://www.aka.org/AKA/subkillietalk.html to unsubscribe

References:

Re: GAR breeding and Barometric Pressures

From: Jim Atchison <jim at atchison_com>

Re: GAR breeding and Barometric Pressures

From: "Tim Addis" <timaddis at killifish_force9.co.uk>

Prev by Date: Re: A good book for newbies.
Next by Date: Re: GAR breeding and Barometric Pressures
Prev by thread: Re: GAR breeding and Barometric Pressures
Next by thread: Re: GAR breeding and Barometric Pressures
Index(es):
- Date
- Thread