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Judge these cobalts


fiona

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I have these two male cobalts. Actually there is at least one more but these are the two dominant ones. Cobalt 1 is dominant to Cobalt 2. 1 seems both lighter and brighter than 2, which is correspondingly darker, and a bit duller (not so much of the powder blue sheen) - dominance? Difference in underlying colour? I think 1 has been a bit lighter all the way through - one of the group was and I think it's this one.

Which do you prefer? Which would you keep as your dominant breeding male? And the reasons why?

Cobalt 1

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Cobalt 2

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Give me your opinions please.

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I am under the impression that "cobalt" as a shade is generally darker. Probably darker than either of your fish. I imagine that this colour is what gave them their name initially? However, I don't really know what constitues a good fish, just letting you know what I *think* "cobalt blue" is as a colour.

Lovely fish by the way, regardless of how blue/dark they should be.

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Duck I think you are right but the second one is closer to what I imagine cobalt would be. I got these from Lungy (Brisbane), and they are much darker/bluer than any others I have seen around Sydney (except for Baz's which also came from Lungy). There may be other dark/blue ones and if so I would like to know about it and maybe swap some breeding stock, but I haven't seen any like these so far.

However that said it may be that the brightness of 1 is because it's the most dominant. A couple of people have said they get lighter/brighter when they are dominant and the females are darker. So I thought I'd throw a couple of pics up for people to judge for themselves. I wouldn't want to cull a fish I should keep! wink.gif

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Hi Fiona,

When I had cobalts, I found that the female, generally speaking, was a little darker than the males. I always kept the darkest male, hence I would choose the second fish because of the richer colour only. Apart from that, they both have good conformation.

merjo

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Whats wrong with keeping both males?

I have 2 males and five females breeding constantly and no problems at all.

When the dominant male is no longer the best the subdominant male will then take over.

Regards Karen

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I am thinking along the same lines as you duck ... remove #1 and see what happens to #2. I know there is at least one more male in there (and plenty females too) so it will be interesting to see what happens there.

Kazza, I am wanting to breed the best possible ... so I would keep the best 2 males. Like you, I like to keep 2 males, so far of all the species I've kept 2 males and plenty of females is good and the males display even more, showing off in competition with each other. I haven't had any where the males kill each other (am avoiding the most aggressive species wink.gif).

Keep those comments coming folks! It's really useful for me.

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Fiona

How do we define best two males. Why not let the girls choose their man.

I only have one cave in the tank and thats taken by the dominant male and then there are no territory fights.

Regards Karen

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hey fiona...

Ive found that my alpha cobalt blue appears a lot paler than the second male who is a bit darker. The females are darker still! smile.gif

When the alpha male is displaying at the females he goes almost a pale grey! Awesome to watch!

Id think if your second male were to become the alpha male he would colour up similarly - ie. become more pale!

just some thoughts!

hope that helps!

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