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Do I have 2 males and 2 females L104?
They are 5.5-6 cm long (with tail).
I have them over a year< so looks like, they are 1.5 years old.
Are they old enough for breeding?
#1 Male?

#2 Female?

#3 Male?

#4 Female?

I think you are right and judging from the hairyness of the 2nd male and from how fat the last female is I would say they are ready to breed.

And I'll second Panaque's response, you have two males and two females, and they are probably ready to breed.

I'd recommend keeping one male with two females unless you have have a REALLY big tank.

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Mats

Which male is better to choose? Second one?
Would they breed in tank with some corys?

Yes i would choose the 2nd male. I don't think Cories would be a problem. In my experience they can be very picky about caves so offer them a variety of sizes to choose from. Good luck!

softak wrote:Which male is better to choose? Second one?
Would they breed in tank with some corys?

The bigger one of the males (so fish #3 I think) would be my choice, but no guarantees that the ladies think that is the best male - I have a bunch of bristlenoses in my big tank, and quite often, one of the smaller ones will breed.

I expect no problems with corys in the tank.

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Mats

Nice fishes! I think it looks like two male and two females.

There's really no need to have one male and two females for getting them to breed. I have exactly like you, 2+2 in a 54 liter tank and they have given me 3 spawns this summer. Just be sure to have plenty of caves in the tank and lots of driftwood and they will breed. ;)