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[quote=”bartian” post=1715]Like Nannostomus do when setting the hierarchy?[/quote]
I don’t know what Nannostomus do ………. :unsure:
You know, I think they are really quite young fish, and maybe its just not really possible yet to be sure what sex and what species
No, Helene, I don’t think that they are “very” young. The smaller ones are younger, yes – but even they are about 2 or 2,5 cm/ total length. Compare to the diameter of the clay tube …… it’s about 2 cm.
And the bigger ones are as big as my P. nagyi, about 3 or 3,5 cm, so I think they might be full grown, depending on the species.
Some new pictures – I first thought that the differences in colouration were an artefact. But it isn’t – it’s maybe aggressive colouration, they had been chasing each other. The one that stayed yellowish is the bigger one I believe to be a male (see above). Faintly, but still – you can see the pattern in it’s tail fin on these new photos, too. The silvery ones don’t show the slightest tail pattern at all – angry females?
After a while – all show the same yellowish colouration again (supposed male in the middle):
Helene, thanks for your answer – but on the pictures you told me I see only definite males in full display ……. I’m afraid, in the whole phoenicurus gallery is no picture that shows the behaviour I observed.
They didn’t only stay side by side – they completely clung to each other, wriggling their bodies. And they didn’t colour up, they stayed striped as usual.
Hi, Jordy – and belated best Wishes!!
Even if you will change it later – don’t plant the Microsorum into the ground, it doesn’t like a covered rhizome.
And be careful with adding stones – I already had to change a complete tank, because the stones I had added increased the conductivity. (Some wood also does!!)
Why did you add 1 third normal tap water? The values of the rain water sounded perfect …..
This again is the one shown above, which I am sure to be a male. And I think I see a shimmer of a bright narrow band developing at the outer rim of the tail fin.
[quote=”helene” post=1692]with a very low ph – 4, – 4.5. This is a challenge, untill you learn it 🙂 It certainly was for me. Untill I discovered this ‘Eichen extract’ (german word), which lowers the ph effectively.[/quote]
From me another question concerning lowering of the pH by using “Eichenextrakt” (maybe it’s worth a new thread?): I made the experience that Eichenextrakt (it’s described as an extract from oak leaves) works very fine in lowering the pH – but at the same time increases the conductivity. The producer of the Eichenextrakt I use says that the increase of conductivity doesn’t come from an increase of the water hardness, e.g. from carbonate hardness. So I suppose the conductivity is increased by hydrochloric acid which is contained in the so called Eichenextrakt.
Have you made the same experience, do you ignore the increase of conductivity because it is not caused by carbonate? Or do you use another brand of Eichenextrakt, which doesn’t increase the conductivity at all?Hi, Bartian,
I think you might be right – at least in it most likely not being P. anjunganensis.
As I understand and one can see on pictures, anjunganensis has completely plain coloured fins with only a whitish or blueish seam.
I think, at least one of my fish is developing a pattern in it’s fins, even the tail fin shows very delicate markings:I am sure of at least two of my fish being males – one of the bigger (see picture) and one of the smaller ones. I believe the other bigger one to be female, but am not completely sure. It shows no pattern in the tail fin and answers approaches of the males with keeping it’s fins tight and slowly moving away, head down.
The two fish I believe to be males have already inspected the clay tubes several times.[quote=”helene” post=1677]I didnt want to write it before, because I didnt want anyone to laugh at me 🙂 .. but I was thinking anjunganensis as well …
[/quote]It’s good to know I’m not alone!!
I think their colouration will become more intense in the next days, maybe then we’ll see clearer. But currently I’m really glad that my suggestion doesn’t seem to be completely absurd.
Maybe I now make a fool of myself – but I take the risk: the dorsal and anal fin of the bigger one(s) on the pictures above in my view show a subtle chestnut colouration with a delicate white seam. Which makes me think of P. anjunganensis…
Hope you don’t laugh at me ………. :unsure:
It’s exciting – not knowing what comes out in the end.
I’ll wait and see. And report news, if there are.
From my first observations in their new tank I can say that they move around two by two – always a bigger one with a smaller one. Sometimes all four join together, but you never see the two smaller or the two bigger fish move around pairwise.
Thank you, Helene.
I didn’t expect to get “deissneri” – don’t get me wrong. It absolutely didn’t matter to me which form or species I would get – I have only one single form of P. nagyi until now. I am pleased with any species I get!Yes, I also thought that at least the bigger ones look like females, with their stout bodies and full bellies. But I am not sure with the smaller ones – they are more slim and elongated.
Yes, their condition is good, they don’t look famished or weak.
But healthy or not – it would not be of much use to have only females without knowing the species ……….
So, if you don’t think that their differences in body shape are sexual dimorphism – do you think they are the same species, then? For me they don’t even have the same dorsal fin shape …….
