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What Is The Name Of That Blue Fish?
February 7, 2009
4:22 am
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gasteriaphile
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I just received by email my Seriously Fish Newsletter. Very nice!

Whilst looking at the front page I noticed a photo of what appears to my color blind eyes as a blue fish. I will attempt to include that image here and hope someone can ID it for me. No caption on the newsletter.

Thanks, g

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[Image Can Not Be Found]

February 7, 2009
8:09 am
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Reva
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well, you'll get the Right Answer here soon...but in the USA it is sold as a Blue Tetra. So I guess "that blue fish " will do! /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" /> (at least until the experts post) /blush.gif" style="vertical-align:middle" emoid=":blush:" border="0" alt="blush.gif" />

February 7, 2009
1:32 pm
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thelizzious
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It's a real beauty, it's a wonderful little gem. /wub.gif" style="vertical-align:middle" emoid=":wub:" border="0" alt="wub.gif" />
http://www.seriouslyfish.com/p.....file.php?g...orki&id=569 ( I hope this link works)

February 7, 2009
1:46 pm
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dunc
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QUOTE (thelizzious @ Feb 7 2009, 01:15 PM) < {POST_SNAPBACK}>
It's a real beauty, it's a wonderful little gem. /wub.gif" style="vertical-align:middle" emoid=":wub:" border="0" alt="wub.gif" />
http://www.seriouslyfish.com/p.....file.php?g...orki&id=569 ( I hope this link works)


Yeah, it's the K. borki. Click the link above to see a full size picture - really a stunning little fish.

The captions are definitely something we'll do next time - in fact I think we had put captions on but they got lost somewhere down the line... /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" />

Nice to see you on the forums /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

February 7, 2009
1:49 pm
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mickthefish
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it looks like Boehlkea fredcochui, but there are some other Characins that are similar.

mick
the knowledge base lists that fish as, Knodus borki ( blue tetra ).

February 7, 2009
6:14 pm
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gasteriaphile
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Thanks Y'all. Very good info which helped me to focus a bit on this fish and others. Common names being the "slippery slopes" they are, I wonder how Knodus borki compares with the other "Blue Tetra" I've found which is Mimagoniates microlepis ?

February 7, 2009
9:33 pm
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Matt
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It's just been reclassified last month Mick mate I only changed it about a week ago. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> Here's the Mimagoniates profile gasteriaphile. Should be kept in a slightly cooler tank that one. That's one funky font set by the way! /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" />

Cake or death?
February 8, 2009
12:59 am
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gasteriaphile
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Not to be confused with the other species commonly sold under the name "blue tetra", Knodus borki , this species is much scarcer in the hobby. It also makes a better resident of the community tank than its cousin, being less boisterous and lacking the tendency to nip the fins of other species.

Ah! the disadvantages of common names really comes to the fore here. So, there are two entirely different species, in fact in different genera, with the common name of "Blue Tetra". I think that Knodus is the bluer of the two just judging from the photos. I wonder if they are closely related. They seem to hale from the same general area of South America.

February 9, 2009
3:06 am
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Reva
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Very nice! Now I am tempted to get some for my tetra tank too! pretty!

February 10, 2009
1:35 am
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Matt
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QUOTE (gasteriaphile @ Feb 8 2009, 01:42 AM) < {POST_SNAPBACK}>
I wonder if they are closely related.

They're both in the family Characidae so quite closely related yup! /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

Cake or death?
February 10, 2009
2:49 am
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gasteriaphile
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QUOTE (Matt @ Feb 9 2009, 05:18 PM) < {POST_SNAPBACK}>
They're both in the family Characidae so quite closely related yup! /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

Well Matt, not necessarily! /blush.gif" style="vertical-align:middle" emoid=":blush:" border="0" alt="blush.gif" />
The family Characidae is very large and encompasses genera that are very different from each other! I am no expert here but there may be sub-families under Characidae, and then within that, genus groups with close affiliations.
Regardless though, the Knodus seems a very desirable species if one could find it in the trade.
g

February 10, 2009
9:45 pm
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Eyrie
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The cochu blue tetra is available in LFSs - I have a small group in my community tank.

Mature, sensible signature required for responsible position. Good prospects for the right candidate. Apply within.
February 10, 2009
9:53 pm
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Matt
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QUOTE (gasteriaphile @ Feb 10 2009, 03:32 AM) < {POST_SNAPBACK}>
Well Matt, not necessarily! /blush.gif" style="vertical-align:middle" emoid=":blush:" border="0" alt="blush.gif" />
The family Characidae is very large and encompasses genera that are very different from each other! I am no expert here but there may be sub-families under Characidae, and then within that, genus groups with close affiliations.
Regardless though, the Knodus seems a very desirable species if one could find it in the trade.
g

Hehe you're right of course but that still makes them quite closely related! /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" /> I've kept these tetras and found them to be real nippy little swines although I only had 6 in a 2 foot tank. I suspect they'd be better in bigger tanks in large groups.

Cake or death?
February 11, 2009
2:38 am
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gasteriaphile
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QUOTE (Matt @ Feb 10 2009, 01:36 PM) < {POST_SNAPBACK}>
Hehe you're right of course but that still makes them quite closely related! /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" /> I've kept these tetras and found them to be real nippy little swines although I only had 6 in a 2 foot tank. I suspect they'd be better in bigger tanks in large groups.

Really? You have had Knodus borki? And if yes, where on Earth did you find them?

February 11, 2009
4:51 am
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Reva
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QUOTE (Matt @ Feb 10 2009, 09:36 PM) < {POST_SNAPBACK}>
Hehe you're right of course but that still makes them quite closely related! /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" /> I've kept these tetras and found them to be real nippy little swines although I only had 6 in a 2 foot tank. I suspect they'd be better in bigger tanks in large groups.

Thanks Matt...Changed my mind!
/rolleyes.gif" style="vertical-align:middle" emoid=":rolleyes:" border="0" alt="rolleyes.gif" />
Dont want nippy little swines /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" />

February 11, 2009
2:19 pm
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Matt
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QUOTE (gasteriaphile @ Feb 11 2009, 03:21 AM) < {POST_SNAPBACK}>
Really? You have had Knodus borki? And if yes, where on Earth did you find them?

They're not that uncommon in the UK like Mark said above.

Cake or death?
February 13, 2009
3:36 pm
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coelacanth
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and it appears that we have the true Boehlkea here....

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February 13, 2009
4:55 pm
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Matt
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Que bonito hombre! /cool.gif" style="vertical-align:middle" emoid="B)" border="0" alt="cool.gif" /> Do you mind explaining how you id'd it as Boehlkea?

Cake or death?
February 13, 2009
5:21 pm
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coelacanth
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QUOTE (Matt @ Feb 13 2009, 04:38 PM) < {POST_SNAPBACK}>
Que bonito hombre! /cool.gif" style="vertical-align:middle" emoid="B)" border="0" alt="cool.gif" /> Do you mind explaining how you id'd it as Boehlkea?

It was a long and complicated process of comparing meristics, collecting location and behaviour
or..
We posted it on another forum asking if anyone knew what it was and someone said "it looks just like the true Boehlkea according to this new paper",

"Oh yeh", sed us /blush.gif" style="vertical-align:middle" emoid=":blush:" border="0" alt="blush.gif" /> /rolleyes.gif" style="vertical-align:middle" emoid=":rolleyes:" border="0" alt="rolleyes.gif" />

February 13, 2009
5:56 pm
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Matt
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/tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" /> /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" />

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