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Half Beaks
January 26, 2011
11:13 pm
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keith565
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hmm, picked these guys up at peter Barrett's today, believe them to be Dermogenys pusillus . not seen this colour variation before (hope it's not a man made thing).
these are young, about 45mm, but stunning never the less. eating like pigs. sorry about video quality, not used to the new phone yet.

January 26, 2011
11:34 pm
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Colin
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January 27, 2012
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Hi Keith - I get this message

"The URL contained a malformed video ID"

Unfortunately I have no idea what that means???? lol

I have some N. liemi coming my way next week so it's good to see someone else trying the group /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

January 26, 2011
11:35 pm
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Colin
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Oops, typed too soon, i see them now - very nice /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

January 27, 2011
12:03 am
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Matt
Málaga, Spain
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This is the form on sale over here too. Anyone know if it's an ornamental strain or not?

Cake or death?
January 27, 2011
11:55 pm
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Malti
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saw these at the LFS too...but I don't really know anything about them...

January 28, 2011
3:29 am
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Nikhil
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Hi Keith,

I cannot make out the colour of the fins but that fish looks very very similar to the Wild ones being offered here in India. The ones here have their fins red though all of them minus the tail.

January 28, 2011
6:42 am
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keith565
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QUOTE (Nikhil @ Jan 28 2011, 03:12 AM) < {POST_SNAPBACK}>
Hi Keith,

I cannot make out the colour of the fins but that fish looks very very similar to the Wild ones being offered here in India. The ones here have their fins red though all of them minus the tail.


there are some with red to their fins, but i guess it's due to them being young that they are not fully coloured up. the body colour is a metallic silver/bronze. i will try and get some still pics.

January 31, 2011
11:09 am
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keith565
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managed to get a couple of pictures.

Attached files

[Image Can Not Be Found] [Image Can Not Be Found]

January 31, 2011
11:34 pm
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Malti
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the one's at the lfs here had no orange colour...

February 1, 2011
2:11 am
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Nikhil
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Hi Keith from the pics it looks like the wild form that is sold here locally.

February 1, 2011
7:19 am
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Colin
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What conditions you got them in Keith?

February 1, 2011
7:55 am
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keith565
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QUOTE (Malti @ Jan 31 2011, 11:17 PM) < {POST_SNAPBACK}>
the one's at the lfs here had no orange colour...


i believe the red is a male colouring, which is worrying as most of mine hav it, one or two have no colour in their fins.

QUOTE (Nikhil @ Feb 1 2011, 01:54 AM) < {POST_SNAPBACK}>
Hi Keith from the pics it looks like the wild form that is sold here locally.


that is good to know. thanks

QUOTE (Colin @ Feb 1 2011, 07:02 AM) < {POST_SNAPBACK}>
What conditions you got them in Keith?


they are in my local tap water which is hard, PH around 7.6, temp around 76F. they seem to be doing well, eating anything. light water movement, duck weed and other floating plants cover some of the water surface, got them in with some brachyraphis who don't bother them.
this should be ok????

February 1, 2011
8:50 am
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Matt
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I wonder if these are infected with some kind of guanin-producing parasite as in some South American species?

Cake or death?
February 1, 2011
9:40 am
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Malti
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@ keith - could be, then the LFS had an all female tank I guess

@ Matt, care to elaborate?

February 1, 2011
11:11 am
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keith565
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QUOTE (Malti @ Feb 1 2011, 09:23 AM) < {POST_SNAPBACK}>
@ keith - could be, then the LFS had an all female tank I guess

@ Matt, care to elaborate?


i suppose it's possible, but doubtful. perhaps they don't show colour all the time or when young?
elaborate indeed Matt!!

February 1, 2011
11:43 am
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Matt
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Ok so the gold colour in some fishes is caused by presence of a parasite that results in excessive deposits of the organic base guanine. Hemigrammus rodwayi is a good example:

[Image Can Not Be Found]

This gold colour often fades away in aquaria - I've heard that this is due to an absence of an intermediate host for the parasite but don't take that as gospel unless someone else confirms. These halfbeaks seem similar to me in that the gold colouration is a little 'patchy'. Could be totally wrong of course!

Attached files

[Image Can Not Be Found]

Cake or death?
February 2, 2011
1:57 pm
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keith565
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got to say it is very possible. the metallic colour is indeed a bit patchy and seems less intense now i have had them a week.thanks for the info, never knew that.

February 7, 2011
3:36 pm
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Jarcave
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I never knew that either. It would be interesting to see the colouration in a few weeks or months to see if there are any appreciable differences.

Keith, if you ever want to sell on any on fry you produce then by all means give me a shout. I've wanted to keep these for a while but on the few occasions that I've seen them, a while back too it was, I've not been in a position to keep any.

February 7, 2011
7:52 pm
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keith565
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well, the way things are going i won't have any left in a week. found 4 dead today. no signs of anything. the others are all feeding like pigs. i'm just hoping the rest are OK tomorrow.

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