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Okay, this is now the FOURTH UNFERTILIZED SPAWN I'VE RECIEVED FROM MY L66. I've done everything I can to ensure maximum fertilization: extra current, shorter spawning tube, power fed. It is really quite frustrating. Any suggestions on how to up the fert rate? Even those few that were ferted became engulfed in white, stringy, fungus.

Maybe fiddle with the temperature a bit. I know that with Corydoras catfish, a slightly altered temperature can cause fish that were producing infertile eggs to churn out viable ones. It may work with Loricariids as well.

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And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."

Is that lower or higher?

Though it sounds odd considering that a water change with cooler water is often the catalyst for spawning, I've read of an incident (might have been a forum somewhere) where a heightened tank temp caused cories to start laying fertile eggs. It's just conjecture, but I think that the temp change made for a larger difference between the tank temp and the temp of the cool, wc water, which may have helped the cories. Sorry for the confusing sentence.:%)
Don't know if that will work for plecos or not.

Have you tried altering where the current flows in your breeding tank? Maybe have it go directly past the entrance to the spawning cave, or maybe even off the tank glass and into the cave.

Oh, and have you tried mimicking the dry-to-wet season change?

Last edited by sirbooks at 30-May-2005 13:44

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And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."

The dry wet is what I do to get them to spawn. I did a fifty fifty with RO water two nights ago, they laid them that night, and now I'm stuck with cleaning out a pvc pipe full of rotten caviar. I'll work on the current a bit: may it was just TOO strong.

Sirbooks, you'll find that I've documented at least one instance of my Pandas spawning after a slight temperature rise accompanying a water change in my Panda article.

It may well work for those L66s too. One can only experiment and see.


Panda Catfish fan and keeper/breeder since Christmas 2002