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[quote=”Peter Finke” post=2075]
Another interesting question is: At what age could one distinguish sex in growing young? THis should be assited by good photos, too.[/quote]I agree expressly!!!
[quote=”helene” post=2073]Its a Canon 600d dsl and with an external flash and macro lens.
I might start a photo-thread 🙂 ..[/quote]
Yes – please!! You know how important and helpful I think photos to be – and we still have far too little photos of all species! It’s great that you posted photos of young and females, too – we all know that most pictures you find on the web show males in nuptial dress. Or, if not, are often labelled incorrectly.
I know the problem with the water (and the dirty glass :sick: ) too – I get the best photos on the weekends – when I regularly change water and clean all panes, inside and out.[quote=”helene” post=2046]
The last video is quite relevant now that we just had the discussion in another thread about male and female moods.[/quote]Oh, yes ……….. I have seen it ……….
Hello, Helene,
I have heard about this phenomenon before in other fishes. In Dario dario the sex of the young is obviously influenced by temperature and water hardness. I had no time to search thoroughly now, but I found something here:
warmer: more males, cooler: more females
softer: more females, harder: more malesConcerning the humic acids and the organic load of the water I recently had similar questions at the IGL-Forum – which splitted a thread and created confusion (which was not my fault!!). The result was a very interesting thread with extensive thoughts about black waters. I’m afraid it’s all in German (but that’s no big problem for you, I suppose)
Latest news:
The two big ones – which have been watching each other from their opposite territories for the last days – had a heavy quarrel this evening. They attacked each other by rapidly swimming frontally towards the other, ramming each other, circeling around each other – all of this really fast and very hard to follow with your eyes.
The two smaller ones – which still show no sign of a similar pattern in the unpaired fins, especially the caudal fin is cristal clear – watched them very interested from a safe distance.
Immediately after the fight the two bigger fish looked like this:
The first (former the biggest, the “mysterious” fish I have shown many times before):
And the second, which in the meantime shows the same pattern:
Watched from above by one of the smaller ones:
I still (and again) dare to hope to have two pairs …… I think the two bigger ones are still not fully mature, but are males – the two smaller ones being females.
What do you think?[quote=”helene” post=2019]Hi Stefanie, – if you like you are welcome to every now and then have a look into my newly opened flickr account.
Here it is (at the moment theres not a lot of photoes, but it will come, so look in every now and then)
http://www.flickr.com/photos/92710850@N04/%5B/quote%5DThank you, Helene – that’s what I like! This is very helpful – even if you think that some photos might not fit for glossy magazines …….. That’s not essential, for me the main issue is to have proper photos for which it’s sure that they show the fish as labelled!
There are not so many correct paro photos in the web on which’s labelling you can rely without any doubt.I have begun to upload pictures of my fish (almost Badis) in my Google Picasa web album …….. maybe some day it’s worth showing. When I have more paros, I hope……… The week after Easter I will hopefully get a pair of P. qindecim – I am waiting eagerly ….
[quote=”bartian” post=2017]It’s not even close to deissneri… It is an ordinary bintan-form.[/quote]
Hi, Bartian,
that’s what I thought. I’m still a beginner in paros, but after all I’ve read and after all pictures I have seen – I was quite sure that it is like you said now.
Nevertheless – I think it is nice to have pictures of young males and females of this form, too. It’s very difficult to distinguish paros in all their liveries – depending on mood, age, sex …….. and I personally am glad about every illustration I can get ………..[quote=”helene” post=1998]as I mentioned yesterday I have a culture of paramecium – aquired for the purpose of feeding fry. This looks excatly the same as these, so I am not in doubt that it is a similar thing.[/quote]
Yes, I think you are right. This morning there were still smaller clouds left. I imbibed some with a syringe and put it into the tank with the nagyi-pair – just to “vaccinate” the tank.
Hello,
no – one thing it’s definitely not, and that’s Planaria.
Planaria moves around on the glass like a leech, doesn’t swim in clouds. And they are much bigger – depending on the species. In aquariums you find sizes from 4 mm up to 1 cm.
The “swimming dust” is really as small as dust particles, not even 1 mm.
By the way – today the water in my tank is as clear as before ………
Yes, that doesn’t surprise me :S . It’s not easy to understand if someone is very happy to see her fish spawning – and then asks what the globes in the nest might be ………. :blush:
[quote=”helene” post=1987]https://www.parosphromenus-project.org/en/forum/12-Methods/944-is-this-infusoria.html?start=6#954[/quote]
Yes, that’s quite similar – and your description of it, too. Like moving dust particles………
[quote=”helene” post=1987]
or did it get stirred up from adding the new water ?[/quote]Yes, I think that was the case. This tank is not old and doesn’t need cleaning by now. I set it up just a few weeks ago – it’s the tank of the “mysterious paros”. I made an “experiment” with a ground with no layer but a mixture of many oak and beech leaves and dried sphagnum fibres. It’s very soft and loose, it looks nice, and I am sure the fish absolutely love it. They’re always diving under and through the leaf litter …….
The only thing is that I just recently got a scolding at the IGL-forum for having too much organic material in my nagyi-tank …… (which in their opinion was causing too many snails, which were said to haven eaten the paro-eggs. But it became apparent that there weren’t too many snails – so the deduction of having too much organic waste had no basis anymore ….But since then I am absolutely insecure about wrong or right. In every forum every expert says something different ….)Thank you, Helene – if it’s indeed infusoria it comes from a ground layer of leaves. I read that it’s typical in tanks with many leaves – and in this tank I still have many leaves, that would also be an explanation why I don’t observe it in the other tanks.
Now someone at the IGL-Forum confirmed that the yellowish globes are the eggs ……… that’s what I thought from the first clutch, and Helene confirmed me that everything was ok.
But then at the IGL-Forum it was said that this first clutch looked unusual in colouration and size ……… which made me very unsure about how a paro clutch has to look at all ………….That’s why I made myself a fool by asking what the yellowish globes might be …..
