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Channa species
May 30, 2011
9:13 pm
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Colin
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Hi folks...

apologies if you have seen this on other forums /thumbs_up.gif" style="vertical-align:middle" emoid=":thumbsup:" border="0" alt="thumbs_up.gif" />

looking for some help with an ID

Is it argus or maculata? TL approx 35cm

channa1-1.jpgImage Enlarger

channa2-1.jpgImage Enlarger

Channa3-1.jpgImage Enlarger

thanks
Colin

May 31, 2011
5:58 am
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robert
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Hi col
Well I've been looking at pics of argus and maculate and
It could be either,I'm going out on a limb here and I'm going with argus.
Will be interesting to see what other people think.
Rob

June 2, 2011
7:24 am
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Matt
Málaga, Spain
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Looks like juvie C. argus to me too Rob. Any details as to origin Colin?

Cake or death?
June 2, 2011
8:07 am
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Colin
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yeah - came from Rob LOL

Another thing that puzzles me which I left off teh original post on purpose in case it influenced anyone is that I have had the fish since Sep 09 and it has only grown about an inch or two in that time despite eating like a pig!

June 2, 2011
8:09 am
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Colin
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anyone have a species description as maybe a ray count or similar would help?

June 2, 2011
8:18 am
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Matt
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QUOTE (Colin @ Jun 2 2011, 07:50 AM) < {POST_SNAPBACK}>
Another thing that puzzles me which I left off teh original post on purpose in case it influenced anyone is that I have had the fish since Sep 09 and it has only grown about an inch or two in that time despite eating like a pig!

If that's true it's unlikely to be C. argus no?

Got both descriptions but they're part of much larger documents so will chop them out and send to you from home tonight.

Cake or death?
June 2, 2011
8:52 am
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Stefan
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Me too please Matt.

June 2, 2011
9:58 am
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Matt
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How much are you willing to pay? /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" />

Cake or death?
June 2, 2011
11:20 am
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Stefan
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QUOTE (Matt @ Jun 2 2011, 11:41 AM) < {POST_SNAPBACK}>
How much are you willing to pay? /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" />

Paul J., tell him what I can do in the flesh... /wacko.gif" style="vertical-align:middle" emoid=":wacko:" border="0" alt="wacko.gif" />

June 2, 2011
3:29 pm
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Colin
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aw, no spewing smiley!

Thanks Matt that would be great!

June 2, 2011
4:11 pm
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Stefan
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I can't remember seeing these Colin, but I must have?

June 2, 2011
5:36 pm
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robert
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Hi
Yeah the growth rate is not what you would expect from channa argus,
So it may well be a maculata.but the descriptions should nail this I.d.
Col let me know what the ray counts turn up.

June 2, 2011
7:07 pm
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Paul J
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QUOTE (Stefan @ Jun 2 2011, 12:03 PM) < {POST_SNAPBACK}>
Paul J., tell him what I can do in the flesh... /wacko.gif" style="vertical-align:middle" emoid=":wacko:" border="0" alt="wacko.gif" />

Not quite sure what you mean Stefan...................................???????????

I would, however, like to state that I have never seen to you do anything "in the flesh"!!!!!!!!!

June 2, 2011
7:11 pm
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Stefan
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QUOTE (Paul J @ Jun 2 2011, 08:50 PM) < {POST_SNAPBACK}>
Not quite sure what you mean Stefan...................................???????????

I would, however, like to state that I have never seen to you do anything "in the flesh"!!!!!!!!!

Maybe it was a poor choice of words? Never mind /unsure.gif" style="vertical-align:middle" emoid=":unsure:" border="0" alt="unsure.gif" /> Remember the Channa meeting...?

June 2, 2011
8:59 pm
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Matt
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/laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" /> Please tell me the word 'Channa' isn't being used as a euphemism here! Preparing papers now.

Cake or death?
June 3, 2011
12:52 am
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racoll
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From Courtenay and Williams (2004):

QUOTE
A key character for separating this species from C. argus are the bar-like markings on the caudal peduncle. In C. maculata, the most posterior dark bar (usually complete) is preceded and followed by pale bar-like areas, whereas in C. argus such pale markings are absent and the final dark marking is irregular, often blotch-like.

This is the paper you need for ID. It's a US Geological Survey publication entitled "Snakeheads (Pisces, Channidae)— A Biological Synopsis and Risk Assessment".

It's available here.

It is also worth remembering that keeping C. argus in the UK is illegal without a licence. See here.

June 3, 2011
6:37 am
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Colin
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Got a license thanks - i live in Scotland and ALL Channa species, whether it is orientalis or argus, are controlled by the Scottish Government. The England and Wales stuff doesnt apply to me, unless I tried to sell it down South!

Here is my link for info...

http://www.scotland.gov.uk/res.....009766.pdf

I have held the license for several years now.

Thanks for the link...

June 3, 2011
1:10 pm
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Matt
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Aha, I have that paper already but didn't think to check it. Nice one Rupert, and based on that your fish should be C. maculata right Colin?

Cake or death?
June 6, 2011
9:59 am
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Stefan
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One thing to keep in mind is that in general a species is usually defined by having a combination of characters, so a mere fin ray count might not give anything away as to the ID of your fish /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> It will depend on the (re-)description of these fish and that will tell you what to look for.

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