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yellows

Why won"t my male bristlenose breed

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Hi have an 11cm Male and 2 Female 1x8cm and 1x10cm bristlenose in a 2ft breeding tank have had the logs in with them for about 5 weeks now and have been doing weekly water changes to spur them to breed the 2 females climb all over and in and out of the logs all the time and look keen but haven't laid eggs yet could there be something wrong with my male as I have never seen him go anywhere near the logs and when the 2 females go near him or touch him he flips out and does circles to get away from them could he be queer or is it something else cheers Yellows

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lol queer,

water parameters please

and what is ur lighting situation?

what type of logs do u have

also what u could do is leave the water for a week at 26 degrees and then do a cold water change. (25%ish) also if it is raining/storming try and leave windows doors open to get that rain air into the fish area if possible. this should spur them on.

but as ur male is not going near the caves that seems a bit strange :( maybe pull all the logs out and leave it for 2 days without logs and then put them back into the tank in different locations?

this should also be moved to the catfish section :)

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U will need a few smaller logs , pvc pipe they like tight fits and an end of the log dont run your light at all. And like yoshi said drop the temp and do cold changes. The more tight dark places you have the better your chance feed them a bit more often then you usually would

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just time mate. 26 degrees and just keep doing 10% water changes every few days once he's found a suitable place to feel safe and begins to fan to show off to his girls. Bristle-noses tend to sulk i supposedly brought a breeding pair and they sulked for year till they were ready and bam 100 fry every three weeks,what tank mates do they have what substrate and for breeding you should keep driftwood and also a high ph of 7.5 :-) Good luck mate have plenty of back breeding tanks ready they're slow growers.

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Don't know how true this is but I've heard from a few ppl now that an adult male BN that hasn't been around fems whilst reaching adulthood (growing from 5-6cm to 9-10cm+) won't breed or more than likely won't anyway. Haven't seen any proof but hearing it from a very experienced LFS employee & 2 mates one of whom is an L breeder & used to breed buttloads of BNs but now only peps & the other mate is out of fish now but bred multitudes up until 8-9yrs ago makes me think there may be some validity to it...

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I am not a expert at breeding bristlenose but what has worked for me is doing a small water change with cold water then adding Easylife straight after the water change. Most fish will spawn and lay eggs when a low pressure cell is approaching (this was when my breeding pair of Marble Bristlenose first spawned. Most of my Betta fish spawn or at least blow huge bubble nest during a low pressure cells

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I agree with Saffa, a big w/c with storms around with cool rain water, smaller tight caves, and maybe invest in a second male. Some catfish breeders prefer 1 male to 1 female - a little competition to develop a strong dominant male.

Cheers,

Shaun

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I agree with Saffa, a big w/c with storms around with cool rain water, smaller tight caves, and maybe invest in a second male. Some catfish breeders prefer 1 male to 1 female - a little competition to develop a strong dominant male.

Cheers,

Shaun

Have found that a pair is better! Females will eat each others fry to make sure theirs is strongest! But when they start you'll wish you didn't have them they end up everywhere

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