New Sewellia sp.???

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Menu
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New Sewellia sp.???

Post by Menu » Sun Nov 21, 2010 12:17 pm

Last week my favorite LFS have Sewellia elongata listed in his stock list!!!
So i pick up some.
But i´m not sure if S. elongata is right, the body shape and markings are diffrent as the other S. elongata shown on this side??
I think it could be two species?

Here some pics:

Type1

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underside

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Type2
looks like S. elongata

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Any ideas???
Last edited by Menu on Mon Aug 08, 2011 7:13 am, edited 2 times in total.

plaalye
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Post by plaalye » Mon Nov 22, 2010 1:28 am

Are the first pics of smaller fish? I know sewellia markings change quite a bit from fry to adult.

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Menu
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Post by Menu » Mon Nov 22, 2010 9:02 am

At first I thought the same, but they are only 1-1,5cm smaller.
And the head shape from Type1 is slightly more pointed.
Maybe the head shape gets rounder with age?

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ch.koenig
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Post by ch.koenig » Tue Nov 23, 2010 11:30 am

hi Menu
interesting markings in sp 01.
it won't be easy to find an answer.
the second species could be s. breviventralis.
in case they have yellow bordered pectorals and ventrals they would correspond with the species from Laos, presented by K. Udomrittthiuji in AMAZONAS Mai/June as s. elongata.
Roberts didn't make a remark about this fact.
for me your species looks like s breviventralis in the revision of J. Freyhof. but who knows?
pictures - underside etc - could be useful to get closer.
there are 5 s. spp on the market. your first species makes it six. it's time for a revision.
cheers Charles

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Menu
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Post by Menu » Tue Nov 23, 2010 12:32 pm

Thanks a lot Charles!

We really need a revision....

plaalye
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Post by plaalye » Tue Nov 23, 2010 2:32 pm

They're both nice but the first one is especially nice! Love the markings!!

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palaeodave
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Post by palaeodave » Thu Nov 25, 2010 6:58 pm

Wow, both lovely but that first one is a stunner. My first thought was that it might be juvenile but there's no reason unnamed species shouldn't be turning up now again so who knows! Keep us updated.
"Science is a lot like sex. Sometimes something useful comes of it, but that’s not the reason we’re doing it" ー R Feynman

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Menu
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Re: New Sewellia sp.???

Post by Menu » Sat Dec 18, 2010 6:03 am

Update;
My new Sewellia sp. doing very well, they are absolutely not shy and always in front of the tank like the lineolatas.
They are extreme good surfers, the head shape is slightly more pointed so I think they come from faster flowing habitats.
They are not as territorial as other Sewellia types and like to sit in a small group together.
I hope that they breed is so easy to make as the lineolatas, they are unstoppable!
Lately they show much more colour.

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Last edited by Menu on Mon Aug 08, 2011 7:07 am, edited 1 time in total.

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Jim Powers
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Re: New Sewellia sp.???

Post by Jim Powers » Sat Dec 18, 2010 9:19 am

I'm glad to hear they're doing so well. They certainly have colored up nicely!
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