Hi Sean,

As far as I know, most of the genetics of common bristlenoses and their captive-bred variants are not worked out. There are some old posts on ... imported. There obviously continue to be black-eyed albino (yellow) Ancistrus in the hobby, but it's my guess that these possess a mutation ...

... J. I. (2022). Whole genome assembly of the armored loricariid catfish Ancistrus triradiatus highlights herbivory signatures. Molecular Genetics and Genomics , 1-16.
https://doi.org/10.1007/s00438-022-01947-6
https://link.springer.com/article/10.1007/s00438-022-01947-6

Abstract
The catfish Ancistrus ...

... mechanisms and trajectories of this recurrent evolution remain long-standing mysteries. Here, we established suckermouth armored catfish ( Ancistrus sp.; Loricariidae), which have reacquired dermal odontodes (dermal denticles) all over most of their body surface, as an experimental model ...

I don't think it'll contain new info, but this thread has more info on the albino Ancistrus genetics: https://www.planetcatfish.com/forum/vie ... =5&t=41058

Cheers, Eric

... we discussed whether there was any comprehensive dataset on the genetics of bristlenose breeding (as there is for, for instance, corn snakes ... point for interested parties.

So, if you have bred bristlenose ( Ancistrus cf_cirrhosus , but other Ancistrus species could be worthwhile to ...

... Milton Tan (@Suckermouth) was going to write an article on Bristlenose genetics, but I don't think he ever did.

cheers Darrel


Wow, the Internet ... the forum. There is no scientific research on the color development of Ancistrus.

As noted, if the genes responsible for different colors are ...

... search on Google Scholar isn't turning up anything on albinism in Ancistrus .

Would an article on this topic be of interest to the community, do ... I think people would be interested.

There is plenty of work on the genetics of Danio rerio , I'm not sure about access (I can access it via work ...

... Milton Tan (@Suckermouth) was going to write an article on Bristlenose genetics, but I don't think he ever did.

I suspect I can track down information on albinism in actinopterygiid fish in general, but a quick search on Google Scholar isn't turning up anything on albinism in Ancistrus .

Would an ...

... uel/index.php/seminabio/issue/view/1331

Brazilian Meeting on Cytogenetics and Cytogenetics (Reunião Brasileira de Citogenética e Citogenômica ... Ana Lúcia Dias

pg. 162 :
Estudo do rDNA 5S nos cromossomos de Ancistrus sp. (Siluriformes:Loricariidae) ( Study of rDNA 5S on the chromosomes ...

... The fry are in that case half albino, and the Mendel rules of genetics say in such a case they are all wild colored. Most likely breeding them ... further breeding.

I've met a lot of people who will never keep Ancistrus because of their tendency of becoming a pest. Personally, I would ...

... B. (2017). Hidden diversity in the populations of the armored catfish Ancistrus Kner, 1854 (Loricariidae, Hypostominae) from the Paraná River basin revealed by molecular and cytogenetic data. Frontiers in Genetics , 8 , 185.

https://doi.org/10.3389/fgene.2017.00185

ABSTRACT

Only one species of ...

I was wondering about the genetics of colour mophs found in BN's. I know of these morphs: albino, red, calico & piebald (look very similar to me, if anyone can explain the difference please do), amelanistic (l144) and veiltail . I'm going to assume most of these are recessive but if anybody could tell ...

Hi all,
We don't know quite what the origin of the Common Bristlenose ( Ancistrus cf_cirrhosus )) is, but your fry aren't hybrids. All your fish are"Common Bristlenoses", but some have a recessive gene for albinism.

It is most likely that the parents are both carriers of the same albino recessive ...

I recently bought a pair of Brown Bristlenose Ancistrus, they bred in the last week. But what puzzles me is although some fry are brown the rest are albino How has this occurred? What is the true colour of this species or are they a hybrid?
There is only them in the tank

... L.C., & Portela Castro, A.L.B. 2015. Cytogenetic description of Ancistrus abilhoai (Siluriformes: Loricariidae) from Iguaçu River basin, southern Brazil. Genetics and Molecular Research, 14(2) , 4051-4057. dx.doi.org/10.4238/2015.April.27.20

ABSTRACT
The Iguaçu River basin is a tributary to ...

... the green dragon and the calico are variants of the same species ( Ancistrus cf_cirrhosus ) and that both are very inbred. So it's quite like that ... start to change. But if it grows slower because of its own natural genetics, then it will continue to grow more slowly.

Word of caution: If these ...

Hi all, Does anyone know of any articles or write-ups on bristlenose genetics? Like which traits are dominant (longfin/normal, blue-eye, etc) or about mixing different colors? There are plenty of threads on the forum about Ancistrus cf_cirrhosus genetics.

Just search for " Ancistrus genetics" < http ...

... line bred mutants. But I'm a little more concerned in this case, given the high mortality of my initial purchases (which could be due to their genetics, but it's more likely just because they were from a chain store, or it could have been my fault since these were my first BNs ever), and also ...

... became yellow albino. You should try to selectively breed that white one. Try to find a white male from the same fish store so that the genetics will not be contaminated. If the fish store no longer sells them, perhaps ask where they sourced it. I have not seen any pleco breeder/seller on ...

Assuming you mean Ancistrus cf cirrhosus "super red" bred with Ancistrus cf cirrhosus albino "long fing"?

It is all the same species. Breeding deformed fish to other deformed fish to create more deformed fish is an ethical decision. Not one of genetics.
-Shane

... or just send them out with the rest of the albino BN's. [-X

I don't want to sell a pair to someone and they end up producing no albino offspring, because they are different genes and not breeding true. :-Q

Any ideas from anyone with more genetics knowledge than me would be most helpful. :-BD

Ron

... test your hypothesis about a double recessive being able to produce the "Snow White" phenotype using the albino F1 offspring you're raising:

The genetics shown above predict that all of your albino F1 fry will be homozygous recessive for one gene and heterozygous for the other, although we wouldn't ...

... a particular albino fish is carrying one or both mutations. This is why people are observing seemingly non-mendelian results when in fact the genetics are 100% Mendelian. Thanks for this great info. Learning quite interesting stuff every day!! There seem to be different albino appearances as well ...

... female with 2 copies of mutation 2, will produce 100% normal brown non albino fry.

There is no way to know from appearance whether a particular albino fish is carrying one or both mutations. This is why people are observing seemingly non-mendelian results when in fact the genetics are 100% Mendelian.

... Then one day they started to throw shortfin albino and then both shortfin and long fin brown fry.

There is more to it than simple Mendelian genetics. Age or environment may also contribute to the pigmentation/lack of pigmentation of the fish as well.

I no longer have the original pair but I do ...

... Then one day they started to throw shortfin albino and then both shortfin and long fin brown fry.

There is more to it than simple Mendelian genetics. Age or environment may also contribute to the pigmentation/lack of pigmentation of the fish as well.

I no longer have the original pair but I do ...

Andy,
I wasn't trying to be picky! I was just making a point about Color Genetics! I wasn't trying to pick your post apart!

Ron

... nothing but albino fry for a long time. Then one day they started to throw both albino and brown fry.

There is more to it than simple Mendelian genetics. Age or environment may also contribute to the pigmentation/lack of pigmentation of the fish as well.

I no longer have the original pair but I do ...

Fin heredity is different than color genetics! The genetic mechanism is different!

Ron

... Then one day they started to throw shortfin albino and then both shortfin and long fin brown fry.

There is more to it than simple Mendelian genetics. Age or environment may also contribute to the pigmentation/lack of pigmentation of the fish as well.

I no longer have the original pair but I do ...