Subject: Re: { SPAM 1 }::Re: NANFA-L-- Cyprinella spawning experiences
anutej-in-loxinfo.co.th
Date: Thu Dec 16 2004 - 10:24:48 CST
Is the callesima similar in coloration to callistia?
Tony
John Knight wrote:
>
> Interesting you ask this question, because I do have a somewhat unusual
> experience with spawning C. callesima (Ocmulgee shiner). Several years
> ago I was collecting for the GAMNH in the dead of winter (a truely
> miserable collection day). We recently hired a new member to our staff
> that wanted some stream fish in a tank she was setting up.
>
> Well I was running a little low-in-that time and decided to bring home 2
> males and a female for my personal tank. My tank-in-the time was a 40g
> long with jet pumps creating a "riffle" type of habitat. Well the water
> temp-in-that time outside was ~6-8 C and my tank-in-home was room temp
> (say 18-20) for converastion sake. Well I acclimated my fish for nearly
> 10 hours to get them used to my tank conditions.
>
> So long story short, after introducing them to my tank within weeks the
> males were tuberculate. Eventually I had fish spawning left and right
> in my tank. I observed-in-least 3 nests that I could see. Although I
> never was really able to rear them (I didn't really try). But the
> interesting point was that there seemed to be more of a thermal cue and
> not a photoperiod cue that induced spawning. The tank was located in a
> room where the only light it received was from a window and was
> obviously very similar to "natural' conditions.
>
> On a side note, since then I have spawned C. gibbsi quite easily. So I
> can't imagine callistia would be difficult. Stacked stream rocks in a
> aquarium associated with some flow seems to work well for me ( along
> with a temp change or maybe a photoperiod change). My two cents worth
>
> JK
>
> John R. Knight
> Graduate Research Assistant
> Alabama Cooperative Fisheries and Wildlife Unit
> 103 Swingle Hall
> Auburn AL, 36849
> Phone(cell): (706) 424-2495
> Phone(work): (334) 844-9318
> Fax: (334) 844-9208
> Email: knighjr-in-acesag.auburn.edu
> Alt email: inscriptum-in-hotmail.com
>
> >>> psalm119.111-in-juno.com 11/26/04 12:24 AM >>>
>
> Bruce,
> I've had Spotfins spawn many times in community tanks as small as 30
> gallons. The males get a bit aggressive with other fish but only
> momentarily as they are much more interested in the females and sparring
> other males.
>
> I've also had the Fieryblacks from the conference spawn twice in a 55
> gallon community since June. They behaved pretty much the same as the
> spotfins though the females seemed to get beat up a bit more. They are
> with mostly other shiners, a couple species of killies, a couple
> suckers, a blackside darter and a small brindled madtom. And yes I've
> been so busy I've not been able to attempt gathering eggs and raising
> them which I so want to do.
>
> I also had a trio of Saffrons spawn but the male seems to be gradually
> wasting away as did a few others immediately after the conference. I
> suspect many were-in-the twilight of their life as they never exhibited
> any other signs of illness, one reason I generally like to bring some
> youngsters home as well. Didn't with the saffrons unfortunately. I'm
> hoping to make another try in the next month or so before the male loses
> interest or ability.
>
> Mike Lucas
>
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: Sat Jan 01 2005 - 12:41:58 CST