2 is Rio Tocantins pop. and rests are Rio Xingu.


Janne, could you explain why? I wasnt thinking about either of them and would love to know what the features to look for are.

Thats quite a mixup with the two rivers, how come it hasn't been rectified in the Cat-elog? Are any Panaque sp. cf ...

Both fish are Rio Xingu population. They are just variants within that pop.

Hi, just wanted to get some opinions on these two L027. Im interested in the potential rivers more than the L/LDA number designation. I dont know anything about their actual catch locations, just my own opinion.

The ...

Catfish Blues came back as a Blog style!
It is only Japanese, but there are some interesting photos for all loricariid cat lovers.
Please visit; http://ameblo.jp/panaqs

A L190 fish.

MatsP wrote: The third one on the top row is some form of

Pseudacanthicus

- not one that is listed in the Cat-eLog as far as I can tell...

--
Mats

I think that fish is a Megalancistrus sp. from Rio San Francisco, Brazil.

Congratulations!! Good luck with your future career too.

Only enemy of the state wrote:http://www.freewebs.com/vissensite/PCID2.JPG
and
http://www.freewebs.com/vissensite/PCID1.JPG
and
http://www.freewebs.com/vissensite/PCID3.jpg

I hope you can ID him/her with it.

A P. nigrolineatus from Orinoco basin.

The first Royal pleco is Rio Tocantins pop.
The second is...still not sure.
Can you take a pic of its mouth, so I can count the tooth.

A big Panaque looks like either Rio Tocantins or Rio Xingu
populations. A Brazilian population of P. nigro (L27s).

Acanthicus does not have adiposal fin but L350 does.
L350 is not spiny as Acanthicus, but will have spines
on lateral when they get bigger(their spines are usually
seasonal too).
In aquarium tanks, L350 feed alot of wood but also love
wide variety of commercial feeds. They are difficult at
the ...

As long as your water parameters are right, do not worry.
They come out whenever if healthy or under no stress.

Not all three were taken, but you can have a look
at different teeth of Panaque spp. on my website.
http://tiger.towson.edu/users/hnonog1/Teeth%20structure.htm
I do not have an English page for this, but you will see
what species on pictures. All SEM photos are credited
to Jay A. Nelson, Ph.D ...

Looks like a new variant of Megalancistrus paranatus
from Rio Săo Fransisco, Brazil.
More pics...
http://www.mediawars.ne.jp/~ohzora/DSC08953.JPG
45cm monster...
http://www.mediawars.ne.jp/~ohzora/DSC084951.JPG
This fish has a little longer snout than L113(=L234)
but shorter than the fish below ...

I recommend poplar, chestnuts tree, or pine for royal pleco.
If you can find them on forested floor, they will be perfect.
Just chose ones fairly decomposed (best time to do this is
in winter, so no bugs on wood). Don't wash too much. Just
remove bark and some unwanted debris around your pieces then ...

You can use activated carbon to the tank that your royal in.
They get super sensitive to water chemistry when they are
not good. If you moved fish to other tanks, be careful with
the respiration rate (gill panting rate). Heavily stressed
fish pants very fast. To reduce stress level, add
0.05percent ...

L203.

Can you post mouth pic? or You can count how many teeth it has for better ID.

This fish may be from either Rio Araguaia or Rio Tapajos, or very closely related to either population, I think.

A very similar fish was in a Japanese magazine in 1997, Aqua magazine vol. 34, pp13 (PR015), but the fish was from Rio Araguaia and looks different to the fish asked here.
Because this ...

Three royal Panaqs would be better than just two.
If two of your fish are relatively same size, they compete until either one heavily stressed. Three fish is a good number to reduce such a stressed condition which is very often seen in big Panaque spp. Moreover, fish tend to eat food more in group ...

Hi, Jools.
I think the image in "Panaque sp.(1)" is my picture.
It is the same individual seen in Panaque nigrolineatus (bottom, white one). This fish changed colour time after time, so I sent you both gray and white pics.
Thanks,
H.N

An original Angelicus pleco is Hypostomus regani imported to Japan by Minoru Matsuzaka in late 80's.
He named it as "Angelicus pleco" because fish has a pattern of Synodontis angelicus when he first saw that pleco in the habitat.
Your photo does not look like H. regani, but I saw a few diff spp ...

>Yann
Since the term "predatory" was not defined here, I just list what might be. Glad to hear you found one from my list.

>L14
It would be difficult to see skin eating behaviour in aquarium tank because they get
enough food all the time. Like too much protein for Panaque makes them stop feeding ...

A juvenile of L190, P. nigro. from Columbia/Venezuela.

>menschenjaeger
It may be true that fish digest microbes, but not known
how much. One thing I know is their d13C value is a little
different to other herbivorous fish. It may be due to
methane production during digestion or gut flora effects...
My question is where they get N source from wood. I ...

Scobinancistrus eat othe fish skin with their unique teeth.
That is why I think they are very different to Panaque.
Scobinancistrus ambush other fish come nearby and snich off
prey skin.
Pseudacanthicus eat whole freshwater bivalves and digest
flesh. Undigested shells will come out afterward. During ...

Japanese call "Vampire Otocinclus".

Thank you, Waldo. I will contact to you for realistic
fish transaction from Peru to the lab.

H.N/Panaqs

I own PAEX exports in Peru and I do transship here in the states. I can set aside some sp for scientific study with arrangements made.

Andre' J. Rowe
Manager/Owner
AquariumPAEX.com ...

Their microbs partially break down cellulose/hemicellose,
so fish have to scrape off alot of wood all the time.
I feed 75% cellulose pellet (25% are binders) for my P. nigro. They produce alot of feces but grow fine.
No evidences that fish secrete cellulase directly, but I assume
they don't (no ...

My thoughts from observation of big Panaque spp.
Both male and female have them to protect themselves.
All females I dissected in my field study had well developped
odontodes. There are no difference between sex on odontodes
development in adults during reproductive seasons, I think.
They use those ...

It is slow growing fish but should be achieved by
increasing water-change frequency. It is not very important
how much water you change but how often may be a key.
Even 1/10 of frequent water change can achieve growth.
It seems they like new water. Be careful with large
amount of water change at ...