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Curious - Id My Oto's?
July 7, 2008
7:57 pm
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ulster exile
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I've had these a while and some of them were given to me, but I've never been able to ID them properly from Planetcatfish's pics. If anybody here wants to have a stab, please feel free. What has me stumped are the sizes of the majority of these oto's - they are about twice the length (and width in some cases) of what I have regarded as regular oto's. Now most of the profiles on PC state that the oto's are around 1.3" in length, but most of mine are bigger than that.

Most look like these
IMG_1036.jpgImage Enlarger

The biggest is this fella, who must be over 2"
IMG_1062.jpgImage Enlarger

And a gratuitous belly shot
IMG_1032.jpgImage Enlarger

July 7, 2008
8:22 pm
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Reva
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Nice pics! Whatever Oto cousin they are , they certainly are eating well! /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" />
I think they are either Otocinclus macrospilus or Otocinclus kokama rather than the usual O.affinus or vittatus

http://www.scotcat.com/home.htm

July 7, 2008
8:53 pm
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ulster exile
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Cheers mate /biggrin.gif" style="vertical-align:middle" emoid=":D" border="0" alt="biggrin.gif" /> There's plenty of algae for them to feed off *sigh*

I was thinking that the first two pics were of a o. huarani or o. vestitus (even if the sizes don't seem right). They don't have the big black dot/splodge at the base of the tail which seems indicative of the macrospilus and the cocama seems more black/white (I think!), whereas mine are various shades of brown.

I definitely have a very small one which is half the size of the rest and could be an o. affinis or something, but that's what confuses me as to the sizes of the rest. Alas, the litte one one comes out after bedtime so no chance of a pic there!

EDIT: That's an interesting link Reva - the sizes listed are totally different than PC!

July 8, 2008
8:26 pm
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Matt
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Good grief Chrisi maybe you're struggling with the id because their, errr, portliness is making the patterning distort! /ohmy.gif" style="vertical-align:middle" emoid=":o" border="0" alt="ohmy.gif" /> Those females are sooo ready for spawning! /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" /> You can see the eggs quite clearly in the last shot. I think you have at least two species there. The big guy definitely looks different than the rest, lovely fish that one by the way! /cool.gif" style="vertical-align:middle" emoid="B)" border="0" alt="cool.gif" /> I also don't think the top fish are any of the species already mentioned...the caudal patterning looks wrong from those pics. Do you think you could try to get some lateral shots of both "species"?

Cake or death?
July 8, 2008
8:48 pm
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ulster exile
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I'm about to pm Mark - I'm thinking we're going to start a new club for our circumferentially challenged wet friends (aka fat fish have feelings too, you know /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" /> ).

I thought they were a tad round, but I never realised they were in the club round. I'll try to get better pics, but with so much greenery in the tank, I have to pick my moments carefully.

Cheers Matt - I do like these little ID challenges!

July 10, 2008
6:10 pm
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Reva
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I knew Matt or Duncan would correct my guess /rolleyes.gif" style="vertical-align:middle" emoid=":rolleyes:" border="0" alt="rolleyes.gif" /> LOL
I did not have time to study the photos on Scotcat website, but when Planet Catfish fails, I tend to look there to find profiles and then compare. I have seen mottled Oto variations, but also never one as big as yours. Cool find!!! I wish I could find some like them. Will ask the LFS owner if he can get any. Hope yours do spawn!

July 16, 2008
2:44 pm
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Matt
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Any joy with the pics Chrisi?

Cake or death?
July 22, 2008
6:46 pm
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ulster exile
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'Fraid not - they don't seem to want to play, apart from the eyeless one (wonder how that happened???)

Attached files

[Image Can Not Be Found]

July 25, 2008
8:11 pm
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Matt
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That one is O. vestitus I think Chrisi...

Cake or death?
July 27, 2008
9:31 pm
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ulster exile
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Cheers Matt /thumbs_up.gif" style="vertical-align:middle" emoid=":thumbsup:" border="0" alt="thumbs_up.gif" />

Managed to get a different one tonight during water change; what do you think of this one?

[Image Can Not Be Found]

Attached files

[Image Can Not Be Found]

July 28, 2008
3:30 am
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Matt
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That one looks like O. vittatus but it's not so easy to tell. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> Can you try to get pics of the one with the "porthole" style spots on the flanks Chrisi?

Cake or death?
July 28, 2008
12:38 pm
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ulster exile
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Not yet mate - I keep trying but with the amount of greenery I have, I usually only get a chance when I've emptied half the water out of the tank or if they decide it's time to make an appearance!

February 8, 2009
8:15 pm
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ulster exile
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Well it has been some time since I started this thread, but I haven't had the chance to take any pics of the unidentified oto. Tonight during the water change this fellow was very active flitting here and there but he stopped still long enough for me to take some more pics...

IMG_1942.jpgImage Enlarger

IMG_1938.jpgImage Enlarger

February 8, 2009
11:15 pm
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oaken
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Have you checked out the different Parotocinclus?

February 8, 2009
11:19 pm
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Matt
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The body doesn't look streamlined enough for it to be a Parotocinclus for me...*we need a scratching chin whilst retaining a look of general happiness smilie*.

Cake or death?
February 9, 2009
2:02 pm
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ulster exile
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I'd wondered about the parotocinclus too - mainly because of the size of this one. I couldn't see an oto description which gave me an average size to fit this one.

Agree on the smiley request /wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />

February 10, 2009
12:34 am
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Matt
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How are you taking the length Chrissy (sorry I know that question has connotations... /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" />)? Are you saying the fish is 2" long including the tail (TL i.e. total length) or it's 2" long to the end of the caudal peduncle (SL i.e. standard length)?

Cake or death?
February 17, 2009
1:51 pm
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ulster exile
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Matt, had another good gander last night and I'd say the 2" is SL, not TL.

Bear in mind that I'm your typical woman whose spatial awareness is sometimes...lacking lol

February 18, 2009
12:55 am
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Matt
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/ohmy.gif" style="vertical-align:middle" emoid=":o" border="0" alt="ohmy.gif" /> That is one beast of an Otocinclus then! I need to ponder i.e. research. /tongue.gif" style="vertical-align:middle" emoid=":p" border="0" alt="tongue.gif" />

Cake or death?
February 18, 2009
10:00 pm
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Matt
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...a-and nothing. /rolleyes.gif" style="vertical-align:middle" emoid=":rolleyes:" border="0" alt="rolleyes.gif" /> Seeing as none of the other lads have chimed in it may be undescribed Chrisi. *shrugs shoulders*

Cake or death?
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