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Bristlenose Catfish


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</DIV><H1>Triggering BN'S</H1><DIV id=Qtextbox><P><STRONG>Author: BettaAnt</STRONG><BR><BR>Well how do ya trigger BN's into breeding?????

Any info would be much appreciated

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Anthony

</P></DIV><H2>Replies »</H2><DIV id=Atextbox><P><STRONG>Author: nornicle</STRONG><BR><BR>dont change the water for a few weeks @ 28 degrees water temp,

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then do a 60-70% water change with cooler water (maybe 24 degrees) and put your heater at 26 degrees, preferably when there is rain or a storm approaching..

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it worked for me anyhoo

</P></DIV><DIV id=Atextbox><P><STRONG>Author: yevrah</STRONG><BR><BR>I did the same thing recently, let the water go a little bit more stale then normal, feed only every second day for about fourtnight. Then do a major water change at lower temperature and increase the feed.

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good luck,

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harvey

</P></DIV><DIV id=Atextbox><P><STRONG>Author: Alan Caboolture</STRONG><BR><BR>These days I do nothing more that waterchanges and syphon the substrate and make sure they are well fed. They spawn when they feel like it. I have four 4x2x2tanks, 3mm gravel over U/G filters with 2 x 32mm air lifts, and 12 to 16 bristles in each tank. There is ALWAYS one or two males brooding eggs in each tank.

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20 odd years ago when I was trying to figure out these fish I kept individual pairs and a log book. Under optimum conditions females spawned every 45 days, never less. Never spawned in temps above 26C (22 - 24 best results), pH or Hardness didn't seem to matter (from 6.6 to 7.4 pH) and what ever came out of the tap.

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They are fairly precocious and even small fish will spawn, they don't have to be whoppers ( I have had BN spawn in grow out tanks when only 6 months old). IMO, the most important factor is feeding. Ripe spawning females absolutly bulge and to do this on a veg diet takes a lot of food. - Tip ! a little high protien food once or twice a week.

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Mind you, in the late 1960's when we were trying to breed wild caught fish was a different story, but these days, after so many captive bred generations they will breed on a wet dinner plate.

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