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interesting video of an Astronotus, guarding... but guarding what ???



enjoy !

just for fun :

feeding the Arowanas & Cichlas :

we all live in a yellow submarine…

Great movies ! The cihclas are great.....very nice

Probaly the astronautus guarding fry ??

Back from the 4. L-Number Days in Hannover, I discovered my fish being quite hungry and agressive towards eachother... Take a look at the first feeding for 4 days...



Agreed, nothing to do with catfish... but awesome all the same...

The cichlas are really hungry...

an update of the Big One…

with a fascinating close up sequence of Panaque schaeferi "scrunching" a cucumber.
and a few others…

enjoy !

Nice!

Jools

The panaque seems to be a big guy....45 cm ???

Nice footage

The screwdriver drives me nuts Nice Tank/Pond!

rob rensen wrote:The panaque seems to be a big guy....45 cm ???

Nice footage

Yep ! Almost 5 years old and >45 cm TL

Jobro wrote:The screwdriver drives me nuts Nice Tank/Pond!

sometimes, you just need a weight to drop down this F.... cucumber

quite a long time...

a quick shot of Panaque schaeferi

Wow...amazing tank. Thx for sharing. Please post more

ElTofi wrote:quite a long time...

a quick shot of Panaque schaeferi

These are livebearers, right? Uhm I mean livefood xD

a short vid which was sleeping on my smartphone...



out of Catfish scope, but...

Very cool. Thanks so much for the update. I'm sure I'm not alone in saying we all enjoy seeing the updates and see how your tank and fish are doing after all these years. I've followed this thread since the beginning and it's nice to see it's still going strong.

shame on me... I've just realized I didn't feed the topic here properly, even with (quite) stunning vids on Panaques shot during these last months...

my fault...

undate in population in 2017 :

Love it!

Jools

thanks Jools...

long time ago since last time...



Panaque schaeferi got huge !!! still growing

finally got the leaking problem solved... after around 9 weeks...

back to "normal" water level > 10,000 liters

nothing to do with catfish on this video... but still...

https://youtu.be/6GG95_NYTf4


Moderator Note: Your YouTube link was broken, so I fixed it to display properly. Cheers.

Bad news...

from Thursday, I have a pollution problem which had deadly consequences :



1 two years old stingray
1 eight years old Osteoglossum female (my biggest "Moon", 103 cm)
1 two years old Osteoglossum female
1 Retroculus xinguensis

All dead yesterday

I changed 40% water, I checked this water is fine with the city water service and washed the second inner filter. It seemed the situation was better...

this morning, I came in the fish room with fear on my stomach... and found out two more dead fish... my nightmare : 2 big mature Panaque schaeferi :











the smallest of 4, with respectively 51 and 54 cm TL... but anyway, I'm disgusted...

That's terrible, I hope you are able to find out the cause of the problems soon. Maybe the water is fine for humans to drink, but the source and pH has changed, or a new chemical has been added, Chloramine instead of Chlorine perhaps?

nope... tap water is not in cause. I have a very good contact with the boss of water service in my area, he's fish hobbyist too and a total fan of my installation. We wrote the guidelines for cleaning of tanks together a few years ago. It's all with UV from 5 years, now.

I called him yesterday morning, just in case, and he confirmed me it was ok with the pipes and the tanks and the buffers...

it's probably a problem from my own filters. I have the whole story on Facebook in French. Not enough energy to rewrite it all here in English.

I'm still working on it.

My sincere sympathies, my friend. This all is quite familiar to me. If we can help you, let us know. A recent history of NH3, NO2, NO3, pH, temp, KH, and GH could go a long way to help us help you... if you needed that. If there was no readable ammonia in the recent days/weeks, I'd guess you experienced a pH crash as a result of insufficient KH carbonate hardness, which is your buffer. The pH crash itself can kill the fish but also kills off beneficial bacteria and then ammonia spikes.

Oh, heartbreaking. I am very sympathetic. I hope you can resolve the problem soon and save your other fish.

Regards, Eric

it seems I released NH3 while cleaning the deep bottom of my inner filter. Then Oxygen fell at its lower level, causing massive bacteria's death and a vicious circle of lack of Oxygen + NH3, NO2 and such problems.

Even my 40% Water change wasn't enough... this morning, after finding the 2 dead Panaque, I made another 30% WC.

This afternoon, I quit the hypothesis world to measure a >100 mg/liter NO3. Which seems to valid the NH3 release hypothesis. So further WC, not too fast, to reduce the temperature falling.

I'm still under 1 liter/minute until late tonight. After checking the effect on temperature, I may leave it like this till tomorrow.

a nightmare... with the lost of 3 of my favorites fish :

- Moon, the 8 years old female silver Arowana
- two 9 years old Panaque schaeferi

without talking about the loss of the other fish "with less emotional impact" :

- 1 Retroculus xinguensis
- another Osteoglossum female (2 years old)
- 1 Potamotrygon leopoldi female (2 years old)

I'm quite disappointed with these loss.

And I truly fear the next morning, with maybe other deaths.

I managed to clean the right filter and modified the outlet flowing at 30° under the surface (without doing anything in the left), I set up another TUNZE right under the surface (12 m3/h), I made huge Water Changes...

Let's keep fingers crossed...