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Sewellia IDs
October 19, 2015
3:16 pm
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kim m
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So, not to make too confusion in my other thread I thought it would be good to start a new one specifically about IDing my newly purchased ones...

This was imported as "breviventralis" via Ruinemans in Holland. I find the very close to pictures of SEW04.

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---------------------------- Best regards, Kim Kastberg
October 19, 2015
3:18 pm
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kim m
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Second one, also from the batch with "breviventralis". I am not shure what this is. There were only 2 and they were bigger and paler than the others.

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---------------------------- Best regards, Kim Kastberg
October 19, 2015
3:20 pm
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kim m
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Third from "breviventralis"...seems like SEW03 to me:

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---------------------------- Best regards, Kim Kastberg
October 19, 2015
3:21 pm
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kim m
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SEW01? Seems there is a bit difference between the specimens (small lines vs. spots). I photographes 3 different ones from different angles.type4-2.JPGImage Enlarger

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---------------------------- Best regards, Kim Kastberg
October 19, 2015
3:23 pm
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kim m
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Boight as Sewellia marmorata. Seems OK?marmorata-2.JPGImage Enlarger

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---------------------------- Best regards, Kim Kastberg
October 19, 2015
3:24 pm
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mikev
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Sew04 in the first post, Sew02 == Sew03 in the second and third post.

(Incidentally, "breviventralis" shipments usually have mostly Sew02=03 and few of Sew04.... You want more of 02=03 since they can be bred... 04 so far is unbreedable.)

In the fourth post: probably Sew01, but do seem just a bit different. The 2nd photo shows a fish with light head -- this is almost certainly a disease, bacterial.

Marmorata seems marmorata.

October 19, 2015
3:26 pm
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kim m
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Last but not least; I had a tank with the remains of a S. lineolata breeding group that I wanted to stock up...but the new ones are a bit different from theold ones. As these Sewellia clearly isn't as straight forward to ID as I had hoped, I wanted to include these in the thread to get an opinion...two "typical" specimens of old and new origin:

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---------------------------- Best regards, Kim Kastberg
October 19, 2015
3:30 pm
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kim m
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mikev said

Sew04 in the first post, Sew02 == Sew03 in the second and third post.
(Incidentally, "breviventralis" shipments usually have mostly Sew02=03 and few of Sew04.... You want more of 02=03 since they can be bred... 04 so far is unbreedable.)
In the fourth post: probably Sew01, but do seem just a bit different. The 2nd photo shows a fish with light head -- this is almost certainly a disease, bacterial.

Thanks Mike.

I have 9 of each type if the big pale one I didn't have an idea about and the third are the same. I emptied the tank in the shop 😉

Regarding the SEW01 - I will do a "group shot" from above before releasing them into the breeding tank (sometime this week).

---------------------------- Best regards, Kim Kastberg
October 19, 2015
3:36 pm
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mikev
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Regarding Sew01: I'd treat the group. Pale head is a bad symptom.

This is inaccurate but the author is correct that this is serious. and may wipe out the entire group.

Minocycline may or may not work, but it is a good choice for the first antibiotic to try.

October 19, 2015
3:50 pm
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kim m
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mikev said

Regarding Sew01: I'd treat the group. Pale head is a bad symptom.
This is inaccurate but the author is correct that this is serious. and may wipe out the entire group.
Minocycline may or may not work, but it is a good choice for the first antibiotic to try.

Monocycline/Tetracycline and other antibiotics are very difficult to get hold of in EU, even if you go to a vet. JBL Furanol 2 is the best I can do (even illegal in Denmark, but have some from before all that was banned). It works for Corydoras which are fairly sensitive, so might be OK for Sewellia too.

---------------------------- Best regards, Kim Kastberg
October 19, 2015
4:24 pm
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mikev
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Furan2 is often helpful with hillstreams and seems somewhat similar to Furanol 2. Worth trying.

October 19, 2015
7:25 pm
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kim m
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Any thoughts on the lineolatas? Just differences within the species?

Good article you linked BTW!

---------------------------- Best regards, Kim Kastberg
October 19, 2015
8:47 pm
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olly
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Yes, different populations of lineolatas have differences in color.

October 19, 2015
9:43 pm
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mikev
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As these Sewellia clearly isn't as straight forward to ID as I had hoped,

Hmm.... actually Sewellia's are about the easiest hillstream genus to ID 😛

Good article you linked BTW!

not really... the author is mistaken that this condition is always a bacterial disease, and also that it is always minocycline-treatable. But no argument that this is a bad sign.

October 19, 2015
11:22 pm
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torso
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Mikev said

"not really... the author is mistaken that this condition is always a bacterial disease, and also that it is always minocycline-treatable. But no argument that this is a bad sign."

I agree, Mikev. That's why in import-stations there is always a diagnosis first.

@ Kim

As for the situation in EU:

http://www.manaus-aquarium.com.....chosal.php

is a good choice. Available in EU. Best stuff on the market at the moment. As for all fish with completely/partly lacking scales: tight controlling of the effects.

Cheers Charles

October 20, 2015
9:51 am
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kim m
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torso said

Mikev said
"not really... the author is mistaken that this condition is always a bacterial disease, and also that it is always minocycline-treatable. But no argument that this is a bad sign."
I agree, Mikev. That's why in import-stations there is always a diagnosis first.
@ Kim
As for the situation in EU:
http://www.manaus-aquarium.com.....chosal.php
is a good choice. Available in EU. Best stuff on the market at the moment. As for all fish with completely/partly lacking scales: tight controlling of the effects.
Cheers Charles

torso said

Mikev said
"not really... the author is mistaken that this condition is always a bacterial disease, and also that it is always minocycline-treatable. But no argument that this is a bad sign."
I agree, Mikev. That's why in import-stations there is always a diagnosis first.
@ Kim
As for the situation in EU:
http://www.manaus-aquarium.com.....chosal.php
is a good choice. Available in EU. Best stuff on the market at the moment. As for all fish with completely/partly lacking scales: tight controlling of the effects.
Cheers Charles

Thanks for the link Charles!

I am really glad you are helping me with this IDing and so on. Venturing into a relatively new branch of aquaristics is always easier with some knowledge available!

---------------------------- Best regards, Kim Kastberg
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