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Tetra Id, Can Anyone Help..
July 28, 2011
9:19 am
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ste12000
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July 27, 2011
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A tetra ID if possible please..

These fish come in quite regulary with cardinal tetras from Columbia, i had a female from the last import i brought in and have today received 300 cardinals with a single male contaminant to match the female.. At least i can now try to spawn them and to get some more.

If i do manage this it would be nice to know exactly what species they are.. Any ideas anyone?

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July 28, 2011
9:55 am
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Matt
Málaga, Spain
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Looks a little like Hemigrammus bellottii Ste but will check my Géry book tonight for you. Welcome to SF, by the way. /thumbs_up.gif" style="vertical-align:middle" emoid=":thumbsup:" border="0" alt="thumbs_up.gif" />

Cake or death?
July 28, 2011
1:10 pm
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ste12000
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QUOTE (Matt @ Jul 28 2011, 10:38 AM) < {POST_SNAPBACK}>
Looks a little like Hemigrammus bellottii Ste but will check my Géry book tonight for you. Welcome to SF, by the way. /thumbs_up.gif" style="vertical-align:middle" emoid=":thumbsup:" border="0" alt="thumbs_up.gif" />

Thanks Matt, your good at this!! I actually have the Gery book myself but have not got the first clue how to use it.. Im not into counting fin rays ect i just try to breed them.

If you can have a look tonight id be very grateful, i love breeding and finding these tetras as contaminants but when it comes to Tetra ID's im well behind you guys.

Thanks for the welcome, ive been looking for inteligent fish conversation for a while, looks like i may have found the forum where i can learn some more about the fish i keep.

July 28, 2011
4:09 pm
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Colin
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January 27, 2012
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Hi Ste

yeah i used to see these with Cardinals from Colombia when I worked at the importers in 02/03. Another one to watch out for is a tiny wee goby that sneaks in with cardinals too, i had a half dozen of them for a while

July 28, 2011
4:28 pm
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ste12000
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QUOTE (Colin @ Jul 28 2011, 04:52 PM) < {POST_SNAPBACK}>
Hi Ste

yeah i used to see these with Cardinals from Colombia when I worked at the importers in 02/03. Another one to watch out for is a tiny wee goby that sneaks in with cardinals too, i had a half dozen of them for a while

Hi Colin, hows things mate?

Whats the fish in your avatar? Malpulutta by any chance? Beautiful.

July 28, 2011
4:59 pm
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Mark Duffill
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If I remember right the two most conaminents with cardinals are Hemigrammus coeruleus and Hemigrammus bellotti, the easiest way to tell the two apart is that coeruleus has a red mark in the upper caudal peduncle and the bellotti has a orange/yellow smudge in the upper caudal peduncle usually entering onto the caudal fin itself.

From what I have been told they are fairly easy to breed, and can be bred using the same techniques for other Hemigrammus species, small tanks and spawning mops and remove parents to get good numbers of fry.

July 28, 2011
8:37 pm
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ste12000
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QUOTE (Mark Duffill @ Jul 28 2011, 05:42 PM) < {POST_SNAPBACK}>
If I remember right the two most conaminents with cardinals are Hemigrammus coeruleus and Hemigrammus bellotti, the easiest way to tell the two apart is that coeruleus has a red mark in the upper caudal peduncle and the bellotti has a orange/yellow smudge in the upper caudal peduncle usually entering onto the caudal fin itself.

From what I have been told they are fairly easy to breed, and can be bred using the same techniques for other Hemigrammus species, small tanks and spawning mops and remove parents to get good numbers of fry.

Thanks guys, im certain its H.bellottii now.. In my first day here you guys have made me stick my neck into the Gery book and actually read the thing. Once i had a clue where to start reading, what was presented to me makes great sense. ive learnt something new today so im very gratefull for the advice.

Hemigrammus bellottii has a characteristic double line above the anal fin, this is a distiguishable feature of this species and is clearly seen in my pics above. For those without the book heres the section.
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July 28, 2011
8:54 pm
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Matt
Málaga, Spain
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Only got that book recently but it's great!

Cake or death?
July 28, 2011
9:06 pm
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ste12000
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July 27, 2011
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QUOTE (Matt @ Jul 28 2011, 09:37 PM) < {POST_SNAPBACK}>
Only got that book recently but it's great!

Ive had it on my bookshelf for a while, its a hard book to find and i viewed it as essential to my collection of aquatic literature. My problem is that im not overly intricate on the details(Fin spine counts ect ect) i opened the book, looked at the pictures, read a little, didnt understand anything and put it back on the shelf.

Todays post from you forced me to reopen the book and have a read, suprisingly(To me) if you take your time and read it properly its a very interesting and informative read. Very handy.. Thanks for your help.

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