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 Ancistrus sp. Rio Paraguay

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bluejar
Fish Egg
Fish Egg
bluejar

Number of posts : 11
Thank You Points : 6
Registration date : 2009-10-22

Ancistrus sp. Rio Paraguay Empty
PostSubject: Ancistrus sp. Rio Paraguay   Ancistrus sp. Rio Paraguay EmptySat Jan 15, 2011 12:01 pm

I bought 4 very small wild caught specimens of Ancistrus sp. Rio Paraguay several months ago, unfortunately 2 died within a month. The 2 survivors are now about 8cms in length. As they appeared to be both males I moved them into a large display tank. On closer examination one has much longer branching bristles which is obviously male. The others bristles even though they run up the nose are much finer and nowhere near as long, could this possibly be female?? As I know in certain species females can develop shorter bristles. Anyway way heres a few piccies, see what you think. Still, lovely fish and a pleasure to watch!

Male ancistrus sp. rio paraguay
Ancistrus sp. Rio Paraguay Bristl18

Ancistrus sp. Rio Paraguay Bristl15

Possible female?? or another male??
Ancistrus sp. Rio Paraguay Bristl16

Ancistrus sp. Rio Paraguay Bristl17

Ancistrus sp. Rio Paraguay Bristl13[b]
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tilkifox
Large Bristlenose
Large Bristlenose
tilkifox

Female Number of posts : 300
Age : 48
Location : Birmingham, UK
Humor : Strange!
Thank You Points : 13
Registration date : 2010-11-27

Ancistrus sp. Rio Paraguay Empty
PostSubject: Re: Ancistrus sp. Rio Paraguay   Ancistrus sp. Rio Paraguay EmptySat Jan 15, 2011 2:28 pm

Very beautiful fish! Very Happy
Personally I would say they are both male...
The second one looks like his bristles are just starting to fork and I have never known any female bn's have bristles going up their snout although they can have them round their lips.
That said, there are many more people on here who know far more than me!
Good luck!
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jim.and
Moderator
Moderator
jim.and

Male Number of posts : 1449
Age : 63
Location : England
Job/hobbies : Warehouse Op
Thank You Points : 107
Registration date : 2010-08-04

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PostSubject: Re: Ancistrus sp. Rio Paraguay   Ancistrus sp. Rio Paraguay EmptySat Jan 15, 2011 4:24 pm

I think tilkifox is right they are great fish and if the bristles are running up the nose the it's a male. females if they have bristles, they are only on the lip.

If I had seen the pictures without reading the question then I would have said two males.
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bluejar
Fish Egg
Fish Egg
bluejar

Number of posts : 11
Thank You Points : 6
Registration date : 2009-10-22

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PostSubject: Re: Ancistrus sp. Rio Paraguay   Ancistrus sp. Rio Paraguay EmptySat Jan 15, 2011 4:32 pm

Yeah I think you are both probably right, just wishful thinking on my part. Although I have seen photos of some species of ancistrus where the females do actually have some up the nose. But from what I can gather is that the bristles don`t branch. Would have liked to have a go at breeding them.......but I think the chances of me finding a female are slim.....but you never know

Thanks guys.. Smile
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wolverine
Chief poster
Chief poster
wolverine

Male Number of posts : 973
Age : 48
Location : UK
Job/hobbies : Fitness Consultant, K9 Security
Thank You Points : 52
Registration date : 2010-05-25

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PostSubject: Rio Paraguay..   Ancistrus sp. Rio Paraguay EmptySat Jan 15, 2011 7:03 pm

lovely catfish been after some of these for years, however can not often get any at all here in the uk Sad

think Deano as a couple at Sheffield, I been waiting for some one to import some Smile

keep us updated......
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carptamer
Large Bristlenose
Large Bristlenose


Male Number of posts : 179
Age : 52
Location : hartlepool
Job/hobbies : rsco/fish breeder
Humor : very dry at times
Thank You Points : 3
Registration date : 2010-08-23

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PostSubject: sexing of fish   Ancistrus sp. Rio Paraguay EmptySat Feb 26, 2011 1:50 pm

i would say 100% they are both males Very Happy Very Happy Very Happy
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andrewcoxon
Juvenile Bristlenose
Juvenile Bristlenose


Male Number of posts : 43
Age : 35
Location : North-East England
Job/hobbies : Driver
Humor : Great
Thank You Points : 2
Registration date : 2010-03-18

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PostSubject: Re: Ancistrus sp. Rio Paraguay   Ancistrus sp. Rio Paraguay EmptyWed May 18, 2011 11:27 am

nice fish! the exact same thing happened to me, i bought 5 tiny ones originally 3 died over the course of a few weeks and im now left with 2. they have grown really quickly, one has more bristles than the other and i was hoping i had a pair but now im dont think so. is anyone breeding these? i would like some females but i got the last fish from the shop.
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