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Rosy Loach
March 12, 2011
2:48 pm
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Mark Duffill
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Does anyone have any details as to the correct scientific name for the Rosy Loach, some places are using the probably ficticious name Tuberoschistura arakanensis and others just list them as Yunanilus sp ?

March 12, 2011
11:03 pm
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torso
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QUOTE (Mark Duffill @ Mar 12 2011, 03:31 PM) < {POST_SNAPBACK}>
Does anyone have any details as to the correct scientific name for the Rosy Loach, some places are using the probably ficticious name Tuberoschistura arakanensis and others just list them as Yunanilus sp ?

tuberoschistura is a classification on loaches, Mark. arakanensis is not valid.
for me it seems closer to yunnanilus by body-shape than to t. baenzigeri - the only tuberoschistura-species - out of two - with a picture on fishbase. no others elsewhere.

March 12, 2011
11:12 pm
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Mark Duffill
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Personally I think it is more likely Yunnanilus, I just wondered if a proper description had been done that I have missed

March 12, 2011
11:32 pm
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MatsP
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For reference: To check if a name is valid [it won't tell you if the species is what you think it is!], I use Catalog of Fishes:
http://researcharchive.calacademy.org/rese...fishcatmain.asp

--
Mats

March 13, 2011
8:39 am
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Mark Duffill
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Cheers Mats, that is a good site, I have used it quite a bit of late /wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />

March 13, 2011
11:16 am
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Matt
Málaga, Spain
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CAS is much more reliable than Fishbase. /thumbs_up.gif" style="vertical-align:middle" emoid=":thumbsup:" border="0" alt="thumbs_up.gif" />

I don't think the rosy loach is a Tuberoschistura either. This is T. baenzigeri:

[Image Can Not Be Found]
© Siamensis.org

Attached files

[Image Can Not Be Found]

Cake or death?
March 14, 2011
12:39 pm
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wasserscheu
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there is a German breeding report from BSSW, but no id (just called Myanmar Dwarf Loach - Yunnanilus sp), shows some pic's

http://ig-bssw.org/?p=551

I only have Y. brevis and the way it looks only boys (16 little horny chaps without a girl /wacko.gif" style="vertical-align:middle" emoid=":wacko:" border="0" alt="wacko.gif" /> ), got them with the intention to breed (as my water would fit them nicely), but did not find any female yet.

June 27, 2013
11:07 pm
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BigTom
Edinburgh
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Just wanted to post a quick note to say that I've just got my first rosy loach fry :)

Exactly the same setup as for breeding the Sawbwa resplendens earlier (20 litre tank, full of plants and moss, a few shrimp and a mesh to protect the eggs. Put in a trio and left them to get on with it for a few days. Just spotted the first two wrigglers today, so removed the adults and will have to wait and see how many I get (probably only a few).

June 28, 2013
8:04 am
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Matt
Málaga, Spain
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That's great news Tom! When you say 'wrigglers' do they still have a yolk sac attached or free swimming already?

Cake or death?
June 28, 2013
8:46 am
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BigTom
Edinburgh
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One free swimming, one still with yolk sack. Plus a few eggs scattered about but I havn't been looking very hard. Adults were in for about 5 days I think so I don't think they wasted much time. 

June 28, 2013
10:17 am
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BigTom
Edinburgh
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PS, are we largely agreed on Petruichthys sp. 'rosy' as the correct name for the time being?

June 29, 2013
2:38 pm
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BigTom
Edinburgh
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They're not giving me many photo opportunities, but just got one on the glass.

2 days old I think (maybe 3). Small (just over 4mm TL) but not quite as small as the Sawbwa fry at the same age and seem to be more developed, with a visible caudal fin.

For the record; pH 7.45, 215ppm, 22.5 degrees.

http://img18.imageshack.us/img18/2692/rbzx.jpgImage Enlarger

 

July 1, 2013
8:44 am
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Matt
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BigTom said
PS, are we largely agreed on Petruichthys sp. 'rosy' as the correct name for the time being?

That decision was based on this short line from Conspectus cobitidium Kottelat 2012: 'Yunnanilus brevis and some unnamed

species from Myanmar are placed in Petruichthys.'

Yunnanilus is considered as restricted to China in the paper so yeah think placement of the rosy loach in Petruichthys is ok?

Great pic of the fry. Smile

Cake or death?
July 1, 2013
11:32 am
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BigTom
Edinburgh
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Matt said

BigTom said
PS, are we largely agreed on Petruichthys sp. 'rosy' as the correct name for the time being?

That decision was based on this short line from Conspectus cobitidium Kottelat 2012: 'Yunnanilus brevis and some unnamed

species from Myanmar are placed in Petruichthys.'

Yunnanilus is considered as restricted to China in the paper so yeah think placement of the rosy loach in Petruichthys is ok?

Great pic of the fry. Smile

Sounds reasonable, I was just wondering if the Kottelat quote had been expanded on really. Fry seem to be doing well, very active and constantly on the hunt for microfauna. I'm not feeding them anything.

July 4, 2013
9:10 pm
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BigTom
Edinburgh
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Fry seem to be coming on OK.

Voracious little eaters and really active - already hovering about in midwater like the adults do sometimes.

http://img41.imageshack.us/img41/3892/ipje.jpgImage Enlarger

July 5, 2013
4:39 am
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mikev
NYC
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Wow! Congratulations!

July 5, 2013
8:30 am
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Matt
Málaga, Spain
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Cute!

Cake or death?
July 9, 2013
12:39 pm
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BigTom
Edinburgh
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12 days old (shout if you're getting bored :p)

http://img580.imageshack.us/img580/9155/j0gb.jpgImage Enlarger

July 9, 2013
1:10 pm
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Rüdiger
Brunswick / Germany
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How could one get bored with photos like that??? Laugh

Cool breeding success and stunning photography!

If you must insist on living in a box ...... at least do your thinking outside.
July 9, 2013
3:06 pm
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Matt
Málaga, Spain
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Totally, keep the pics coming Tom this is wonderful documentation.

Will add these two pics to the profile just now.

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