Midget/ mini marble motoros?

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dpete88

Plecostomus
MFK Member
May 17, 2011
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Ive seen the term pop up a couple times the past couple of weeks. Is there any concrete info on these? Or are they just runts or underfed or what? A genetic mutation perhaps? I tried searching the forums and couldnt find anything. Any info would be nice

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You are referring to a marble motoro that matures at a smaller than "normal" size (8-12") and stays smaller. I'm not sure if it's a different species or collection point, but they exist. Lots of members have them, maybe they'll chime in.
 
dpete88 said:
Ive seen the term pop up a couple times the past couple of weeks. Is there any concrete info on these? Or are they just runts or underfed or what? A genetic mutation perhaps? I tried searching the forums and couldnt find anything. Any info would be nice

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ditto, been noticing to in a few threads on beginner ray keepers, I'm curious on this one.
 
fishbum said:
There is no such thing. Sorry.
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There's several in my basement if you'd like to see them in the flesh. ;)

My favorite has been here 4 years. I'm not sure she's 10" across yet. The male I paired with her has put only put on about 1/2" per year over the last 4.

I just sold 2 males yesterday...... They're definetly out there.
 
DB junkie said:
There's several in my basement if you'd like to see them in the flesh. ;)

My favorite has been here 4 years. I'm not sure she's 10" across yet. The male I paired with her has put only put on about 1/2" per year over the last 4.

I just sold 2 males yesterday...... They're definetly out there.
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Learn something knew everyday. And yes I would like to see them. I may have to make a trip up there to see my tank ;)
 
Have you had any litters from them? Do the pups stay small as well? Im curious as to why they stay so small. Im sure there would be a decent market for smaller rays for people who cant keep large tanks. I have a male marble that has barely grown an inch the past year which makes me think it might be a mini....

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fishbum said:
Learn something knew everyday. And yes I would like to see them. I may have to make a trip up there to see my tank ;)
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It's thier new home..... lol. After about 5 years they're ready to leave the 125s.

They grew up in a 6x3 footprint and a 300, then eventually a 750. There's big Marbles and little Marbles here. I just didn't see the point in subjecting the midgets to the ogres so I set up a couple 125s for these midgets, but I saw one come within a few inches of touching the front and back the other day so going to a 180 can't hurt.... lol Hoping to need the 125s for pups someday.

We've suspected these "midgets" to exist for a few years. Only cause having them makes you question a lot of things. Best conclusion.... Seems like there's a smaller subspecies/variant/gene whatever, but some just don't keep growing. As this thread shows there's still naysayers.... I say keep one! You will believe! :)
 
If you research them it seems like they ususally share a similar trait in the perimeter spotting. Small seperate prominant dots ususally as opposed to ajoining, linked, or "fingers" around the perimeter on the larger ones.

I've had a pup born here to a 8.5" wild caught mom that came to me gravid, but he passed a few weeks after being born. Haven't had much luck breeding anything here.

Contact StingrayED. I think he may have some. Not sure if he ships though.
 
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