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Posted by Dean Alessandrini on January 18, 2002 at 12:10:41:
In Reply to: Actuall weather for breeding-stimulation posted by Juergen on January 18, 2002 at 01:42:01:
Thanks for the info. I use www.weather.com for much of the same info. Interesting, I always use Georgetown, Guyana as a rev. for yellowtails as well.
Other than the infamous Chuck Elliott, I don't personally know of anyone who has successfully produced yellow-tail cribos. I have a pair of now well-situated imports that I will attempt to breed for the first time next fall.
Chuck has said that he has had good luck breeding all the subs in the same fashion (same temp and light fluctuations) as with easterns.
Although Chuck has certainly produced the babies to back it up...I'm a little concerned about subjecting yellow-tails to those type of temperatures.
Yellowtails have a large range, but it consists basically of the northern portion of South America...Guyana, Suriname, parts of Venesula, Columbia, west as far as Peru. (correct me if I'm wrong Jurgen)
Unless they are from high elevations (which I do not believe to be the case) they live in a tropical wet and dry climate. This climate is classified by having very consistant warm temperatures. Check the weather and you'll see nightimes rarely lower than 70 deg F.
The main seasonal difference is in the form of wet and dry seasons. It would seem YT's would not have the cold resistance as would TX and Easterns, and would not need the extreme temp variations (drops into the low 60's or even 50's) that we subject the other indigos to.
I would guess that that humidity and light fluctuations would be enough to stimulate successful breeding.
I'm certainly not an expert here...like I said I've never successfully bred yt's (yet).
I've also noticed in the period I've had my YT's that they seem to prefer higher temps than do the eastern and TX indigos. They will many times pick out an 85 deg spot in the cage and stay there for hours on end.
Thoughts anyone ??
Would love to hear from anyone who has produced them...
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