What is the L-Number

All posts regarding the care and breeding of these catfishes from South America.
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eclipsecatfish
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What is the L-Number

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Silurus
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Post by Silurus »

Female of this.
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Post by kwalker »

There is no L-number assigned to this.
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Post by LimaShovel »

It looks like a albino chocolate pleco.
gibbylover2
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could be an albino gibby

Post by gibbylover2 »

Actually, from that angle it looks very much like what i have - "albino plecostomus" is what the LFS called mine, and i found it on this website as an albino gibby (pterygoplichthis gibbiceps - hope the spelling is right). what size is it? does it have googly eyes, and is it quite skinny except for the head, and does it have large spotted dorsal and tail fins? if it is a gibby, these fins grow larger in proportion to the body, giving it the characteristic sailfin appearance. it looks less squat than the average albino bristlenose, but that picture is quite small. if it is a gibby, apparently it can get up to 40cm long. check out this website and compare.
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Post by eclipsecatfish »

I thought it was a female bristlenose but now I think it is a gibby. he does have googly eyes and large spots on his fins. But I realy like bristlenoses. :cry:
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Post by MatsP »

I think it's a Ancistrus, but albinos are not unlikely in Gibbiceps either. More rare, but not completely unusual.

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Post by gibbylover2 »

They are not too rare in NZ at least - i have bought 2 from my LFS recently, and have seen at least 2 others in the last couple of months. Sorry if it isn't a bristlenose, obviously you're quite keen on these, but gibbies esp albinos can be very beautiful and striking esp as they grow. they just grow very large unfortunately! one of mine has doubled in size since i got him a couple months ago. :!:
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Post by MatsP »

The "googly" eyes, do you mean the "Omega eye", as in the iris has a sort of "tap" down from the top of the head into the actual eye opening, making it look very differenf from the regular fish-eye?

That's there on almost all Loricariid's, and don't make much a differentiating criteria for Ancistrus vs. Pterogoplichtys.

The large sailfin dorsal is a differentiating factor (and technically, I would think that it can be counted out as fin-rays, where the ancistrus would probably not have no more than 10 rays (I counted 8 or 9 on one of the pictures of Ancistrus sp(3) in the Cat-eLog), where the gibbiceps would have something like 14 (that's how many I counted on one of the pictures.

Spots on the fins are present in both species, so that's also not good to differentiate them.

From the pictures, it doesn't look much bigger than about 2-3" at the most, as the fish swimming next to it is some sort of Cory or similar (perhaps brochis), and that wouldn't be much more than 3", and it's looking quite big in comparison.

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Mats
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