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Aborichthys Spp.
December 31, 2009
5:58 pm
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Matt
Málaga, Spain
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Is this one A. elongatus?

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January 2, 2010
9:42 pm
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Thomas
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Hi Matt,

is this a juvenile or at least a smaller one? A few years ago I have four of them and the smaller (<5cm 2") Aborichthys has stripes till the head like yours. A bigger loach ~7cm (2,7") looks different (see the pic) but the markings in the tail are similar to your Abo. After comparing some pics with my Aborichthys I named it A. elongatus (or is elongata right?) Bye, Thomas

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January 3, 2010
1:53 pm
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Matt
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Hi Thomas yep it´s a young fish I think and elongatus is the correct species name as far as I know. I´ve been doing a bit of reading and am now not sure if that species is actually seen in the trade though. Just about to write to a friend in India to try and get confirmation.

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January 14, 2010
7:19 pm
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Matt
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Hey Thomas seems your fish is an adult of the one I posted and probably isn't A. elongatus but an undescribed species from the Raidak I River in West Bengal. Here's the real elongatus (pic by Graeme Robson):

Edit: forgot to credit Andrew Rao for info included here. Thank you!

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January 14, 2010
9:05 pm
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Thomas
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Hi Matt, yes, I have found two pics from J. Freyhof showing even A. elongatus. Looks really like the same species as Graemes.

http://zipcodezoo.com/Photos/A.....atus_1.jpg
http://zipcodezoo.com/Photos/A.....atus_0.jpg

I have attached two pics of my younger/smaller Aborichthys which came together with the bigger.. Not good, but the best I have /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

Bye, Thomas

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January 14, 2010
10:59 pm
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Matt
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That one looks like the fish LOL have listed as a female A. elongatus.

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January 15, 2010
11:55 am
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Matt
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The original description of A. elongatus gives the type locality as the Reang River, Darjiling district but I've been unable to find this on any maps. Does anyone know if it's had a name change?

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January 15, 2010
2:38 pm
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Matt
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Andrew has confirmed that the species we have in the pics from HW and Thomas is not A. elongatus and is an undescribed one collected elsewhere. In which case what shall I list it as? I was thinking Aborichthys sp. 'Raidak I'. Original huh?

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January 15, 2010
2:49 pm
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Thomas
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I've no better idea Matt.

January 15, 2010
8:17 pm
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johnpeten
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QUOTE (Matt @ Jan 15 2010, 05:38 AM) < {POST_SNAPBACK}>
The original description of A. elongatus gives the type locality as the Reang River, Darjiling district but I've been unable to find this on any maps. Does anyone know if it's had a name change?


Matt, Darjiling is a hill station in the foothills of the Himalayas on the River Teesta, NE India. Down river is a place called Reang where there is a hydroelectric dam.
There is also a tribe called the Reang in NE India.
I am sure you know as a true Brit that Darjiling produces an excellent tea. In the good old days when having afternoon tea at the Savoy this was one of tea varieties offered. Probably still available in Harrod's Food Hall. /rolleyes.gif" style="vertical-align:middle" emoid=":rolleyes:" border="0" alt="rolleyes.gif" />
John

January 15, 2010
8:29 pm
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Matt
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Hi John yeah I found the name of the tribe but not the locality. Is 'Reang' (the place) on the Teesta itself?

Darjeeling tea is now available in all major supermarkets as well as Harrods. Did you used to frequent the Savoy? /ohmy.gif" style="vertical-align:middle" emoid=":o" border="0" alt="ohmy.gif" />

Finally, the undescribed fish looks a lot like A. bijulensis (Rao, 1996) as pictured in 'Ornamental Aquarium Fish of India' Tekriwal and Rao, 1999. This was never formally described, however, and the locality details given in the book don't match. Have emailed Andrew (one of the authors) to investigate.

Edit: while we're on the subject of rivers, does anyone know why the Raidak River is sometimes split into 'Raidak I' and 'Raidak II'? I can find no reference.

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January 15, 2010
10:07 pm
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johnpeten
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[quote name='Matt' date='Jan 15 2010, 02:12 PM' post='19276']
Hi John yeah I found the name of the tribe but not the locality. Is 'Reang' (the place) on the Teesta itself?

http://www.telegraphindia.com/1090528/jsp/...ry_11028991.jsp

A mention of the Reang dam site.

I have also found references to the River Reang in Darjiling but cannot find the articles. So the river does probably exist. The Reang people live below the dam site, hence the probability of the name.

January 16, 2010
7:47 am
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Bluedave
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QUOTE (Matt @ Jan 15 2010, 08:12 PM) < {POST_SNAPBACK}>
Edit: while we're on the subject of rivers, does anyone know why the Raidak River is sometimes split into 'Raidak I' and 'Raidak II'? I can find no reference.

If it's dammed (or damned!) is the reference before and after the dam?

January 16, 2010
9:08 am
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Matt
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I think it's undammed...and Andrew has confirmed the undescribed fish is the one named A. bijulensis in his book so I'll add something into the notes now.

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January 17, 2010
10:49 pm
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Matt
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QUOTE (Thomas @ Jan 14 2010, 09:48 PM) < {POST_SNAPBACK}>
I have attached two pics of my younger/smaller Aborichthys which came together with the bigger.. Not good, but the best I have /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

HW kindly sent me some images and now I think the smaller one is either a geographical variant/sympatrically-occuring form of the Raidak fish or possibly a different species. Opinions anyone? Caudal/body patterning and body shape look different to me, plus the specimen in the pic has been preserved as A. aff. elongatus by the Raffles Museum i.e. they don't consider it the same. Here it is.

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