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One more for Jutta (rhino)
January 21, 2014
3:59 am
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mikev
NYC
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Hi Jutta,

Could you look at two more bad photos please?

http://rainbow-fish.org/fishpi.....n/goby.jpg
http://rainbow-fish.org/fishpi...../goby2.jpg

This may or may not be the same fish I asked you about bef ore (photos in
http://rainbow-fish.org/fishpic/brunn/
).. again, label as r.brunneus, but another importer, this time one local which makes it easier to try to get both sexes. I think it is the same fish, spots on the first photo... is the 2nd a female?
I'm asking for more/better photos, these only arrived yesterday.

Thanks!

January 21, 2014
11:13 am
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Ferrika
Brunswick / Germany
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Hi Mike,

this looks like a goby from the duospilus-complex. In the first pic you can see a black dot at the base of the pectoral fin. Something I've never seen in one of the brunneus-complex. Do you know the size of this animal? I suspect, it's a goby from Hainan.... but I can't tell you more. The pics are too bad Confused

greets Jutta
January 21, 2014
4:23 pm
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mikev
NYC
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Thanks a lot, Jutta. I'll try to get better photos. Per vendor, very small.

January 24, 2014
3:49 pm
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mikev
NYC
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January 24, 2014
5:05 pm
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Ferrika
Brunswick / Germany
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Not really, Mike. Definitely a duospilus-complex, but I can't identify, what. Have you ever asked how big the animal is?

greets Jutta
January 24, 2014
5:23 pm
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mikev
NYC
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I'll ask again, he only said small. Thanks!

January 24, 2014
5:28 pm
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mikev
NYC
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An offtopic question: I still cannot get anywhere with rubro breeding... I wonder if the right approach is to isolate a pair, perhaps having two(actually three) males in one tank is the cause of the problems?

Instead of breeding, I'm seeing progressively bizarre behavior.... one time I had two males in the breeding cave... yesterday I had a female in the cave, with two males biting each other on the mouth just outside of the cave, I had to break this crap, seeing that they are getting exhausted....

January 24, 2014
6:45 pm
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Ferrika
Brunswick / Germany
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Yes, Mike, I know all this problems. This is, if two males are equally strong. Than it may be indeed better, to seperate a pair. I have actually the same problem. Three male that can't agree, who will be the strongest in the tank.....

greets Jutta
January 24, 2014
11:02 pm
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mikev
NYC
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Jutta,

May I ask you to look at the both sets of pics again and offer an opinion if this is one species or two? I thought the first set was a brunneus complex, 2nd diospilus?

Not sure what I'm doing yet... really difficult to set up more tanks now, I need an extra tank for rubros too, plus way too cold now to ship I think :(

Both sets are in http://rainbow-fish.org/fishpic/brunn/
with the 1st set being the DSC_* files.

TYVM!

January 25, 2014
1:00 am
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Ferrika
Brunswick / Germany
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It's very difficult to see. Some pics look like R. mekongianus, some like R. maculafasciatus. May be, the animals, that look like R. mekongianus are young maculafasciatus.... I really can not commit myself on the quality of the images.

greets Jutta
January 27, 2014
2:03 pm
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Matt
Málaga, Spain
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The brunneus-group fish looks quite similar to some forms of R. flumineus as well: http://ffish.asia/photos/sp/P1.....130707.jpg

Could be worth investigating given that Niwaëlla delicata has just appeared in the trade and both are native to Honshu - think I remember reading they even occur together.

Cake or death?
January 27, 2014
3:09 pm
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mikev
NYC
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Per 2nd vendor, the size is about 0.5" ... guess no sexing at this size.

Matt, thanks,... there may be two different "brunneus" imported. 2nd time indeed at the same time as Niwaëlla delicata and there were two more Japanese gobies on the list at the same time, so does seem Japan. The 1st time (one month earlier) the origin is not clear.

January 27, 2014
7:14 pm
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Ferrika
Brunswick / Germany
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I think, you're right, Matt. All this Rhinogobius from the brunneus-complex are so difficult for identifying, because there are too few pics of the individual species. It is always amazing that you always find this, Matt.

greets Jutta
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