Can´t find the name on this loach

[ecco]

So got myself the 2:ond 600L tank a few weeks back.
This became the new home to my 20+ Chromobotia macracanthus.
When we (Girlfriend and I) got the new tank it came with some fish in it.
Most of them we placed in other tanks (have 16 more to play with) but we let the 2 loaches stay inte the tank.
One of them was a Botia striata that we went out and got 5 friends for.
But the other we have a problem finding the name for.
Guy we bought the tank from said he had got it as a Botia nigrolineata but I don´t think it is that one.
It lookes like this:

And I can´t find a picture of a Botia nigrolineata that lookes like that.
So can you help me find the name so we can get him some friends...

[DainBramage1991]

He looks like a yoyo loach to me:

http://www.loaches.com/species-index/botia-almorhae

You can just about make out where the "Y" and "O" patterns would have been when he was a juvenile, but have since grown out.

[Diana]

I do not think it is either of those. The YOYO markings are almost always more obvious than that, and that looks like a young fish (when the markings are pretty obvious). Could be, though. They do get reticulated.
Do any of these look possible?
http://www.loaches.com/species-index/pi ... eticulated

[ecco]

Found a good picture here on a yoyo loach that resembles mine.

Thow their is a few things that is not the same.
Mine has a smaller dorsal fin that seems to be of a different shape that this one.
And mine seems to be of the same size the entire body lenght.

Tried to take a measurement of mine (werry hard) and it seems to be in the range of 12 to 15 cm
Not sure that it would help but I would not say that it is a young animal.

[DainBramage1991]

15 cm (6 inches) is just about full adult size for botia almorhae, so I would expect fish of that size to have adult markings. My own yoyos are currently just over half that size, and are still displaying juvenile markings. However, their body and fin shapes are nearly identical to that of the loach in your picture.

Looking at the link provided by Diana, it is certainly possible that it is another species, possibly botia rostrata? I'm still leaning toward yoyo, but I lack the experience and expertise of many others here.

Is the unidentified loach getting along well with your striatas? In my limited experience I've found that similar loaches will sometimes socialize with loaches of other species. I have a group of yoyos, polka-dots (b. kubotai), and golden zebras (b. histrionica) that all live together and act like they are all the same species. Perhaps you might have similar luck with your beautiful reticulated loach if you are unable to find him some buddies of his own kind.

[ecco]

He seems to be ok with my Clown Loaches.
But he will chase away anny striatas that comes into his part of the tank.
Thow he will eat alongside the striatas.
So I guess for now he is ok with being the only one in the tank...

[Diana]

Oh, larger than I thought. I was looking at the substrate, that looks like sand.

I will then retract what I said above. He (or she) is certainly old enough to be the reticulated pattern Yoyo Loach.

[ecco]

I am starting to think you are right with it being a yoyo..
It is sand on the picture, but it´s small in size.. about 0,2mm
I will try and get some yoyo in the same size just to see it they have the pattern...