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Here's an old post on one of the extinct species:
>Date: Fri, 12 Jun 1998 13:12:39 -0700
>From: Rhonda Wilson <rhondawi at m6_sprynet.com>
>Subject: Re: NANFA-- request for specimens of Cyprinodon variegatus for
>Sender: owner-nanfa at aquaria_net
>To: nanfa at aquaria_net
>Reply-to: nanfa at aquaria_net
>References: <199806121030.GAA16252 at smtp3_erols.com>
>> Hello, Rhonda. What's the common name of C. veronicae?
>It's just Veronica's pupfish.
>> Where is it found?
>Only in people fish tanks now. There is an article on them on the DFC site
>is however in Spanish, but I had a friend translate for me. According to the
>translation the location is as follows:
>"The distribution of C. veronicae is restricted to the spring known as "El
>Azul" (The Blue Puddle) or "El Barreno" located at "El Bolson de Sadia"
>of Watermelon) that is 24 degrees 9 feet 51 inches Latitude north and 100
>4 feet 3 inches Longitude west and at a height of approximately 1600 (what
>to be meters above sea level)."
>The story of the location followed and the translation is below:
>"The spring consisted of a series of puddles that received water from various
>other springs. This location was discovered in 1984 when it was 9 feet deep.
>This lasted until April 1985. In November 1985 the depth was only 1.6
>was discovered that the spring's water level fell and rose with the
>spring lost 90% of its area by August 1989 and in 1991 there only existed a few
>puddles with less than 50 cms of depth (Lozano, 1991). Originally the
>clean and transparent but over the last few years the water level has dropped
>because of the constant and excessive removal of substerranean water. This has
>caused the habitat to deteriorate. Currently, there only exists one puddle of
>approximately 6 meters in diameter with green water that is very cloudy and
>muddy. The bottom of said puddle is covered by a large layer of mud
>(approximately 1 meter thick) and it is surrounded by marsh plants of the Typha
>species and no submeresed aquatic plants. The oxygen concentration is low
>temperature fluctuates between 19 to 25 degrees C. In March 1996 an abundant
>population of C veronicae was discovered but with an aparent bacterial
>due to the current condition of the habitat."
>Unfortunatly since then the last of the water, I was told, has dried up and
>original habitat just isn't there anymore.
>> What does it look like?
>The DFC site also has some photos at:
>Otherwise I've been keeping some for a little over a year. Last year I had
>spawn in mops but only ended up with about a dozen fry. Then it got cool
>stopped spawning. The like it warm. These fish are rather aggresive and started
>killing each other off over the winter. I ended up keeping them
individually in 1
>gallon bowls until it got warm. This year I put out a kiddie pool, put half
>fish I have left in it, and have gotten about a hundred fry in the last couple
>months. This pool is planted and has some blanket algea (yuck) that
>slow down a bit now that I have it shaded and the plants are going better.
>got another pool I'm getting ready, well several but only one more for the
>pupfish. I'm leaving this one bare for a while and seeing if I can get them to
>spawn in mops, as I know people that want the fish but due to distance and all
>really need eggs rather than young fish.
>Gee I guess that got kind of long. :) Should cover everything though. :)
>ALA - http://petsforum.com/ala/ PGI - http://www.csi.com/pets/
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