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A few things to consider:
The crypts are root feeders, if there are not enough nutrients in the soil, they will not do well. Root fertiliser tabs make all the difference here.
The fish may feel less secure/comfortable under high light. the current bulb may just be old and hence put out far...
What we generally talk about as 'low TDS' (or better 'low conductivity') is actually not that low. Generally in the context of pH measurements and the difficulty of measuring pH in high purity water the conductivity values are well below 1 micro Siemens (uS), so still quite a bit lower than...
A. trifasciata also occurs further south in areas where the temperature varies during the year with night time water temperatures dropping below 15C as well, so that could be an option if you wanted another apisto
Yep. She may get a little more tolerant of the older fry again once the latest generation has grown up a bit. You may have to remove the older fry eventually (and the following generations) so it's worthwhile setting up a separate tank to raise the fry. Makes them a lot easier to catch as well...
Yes, when the female lays new eggs she will often chase the older fry away. Sometimes the female may care for two or more generations, but that may depend on the species and individual fish
They are more sand/substrate sifters and won't try to dig out whole rocks, but will extend cavities e.g. under wood to make it suit their needs. So if the rocks are just sitting on sand, there may be a potential problem with things shifting. They definitely won't respect your nicely laid out...
Welcome to the forum. Nice looking hardscape for the new setup. To help the apistos feel at home I would add a few caves, although the females may start to dig out their own under some of those rocks
A. alacrina is also known as A. Sp. Rotpunkt, so maybe you will find more if you search for that.
They are described in more detail in the books of Romer (Vol 2) and Staeck/Linke (as alacrina) as well as Koslowski and Mayland/Bork (as Rotpunkt). They may also be in some other books as Rotpunkt...
Nice looking fish. I like the picture of the male trying to nudge the shrimp back into life - well that may be an overly positive interpretation of what is going on... :)
That's not severe, most of the fin is still there :)
If the water in the tank is clean the fin should grow back without problems. Just watch out for bacterial infections and/or fungus, which can sometimes happen under poor water conditions, then you may have to isolate and treat her. Otherwise...
Make sure
- the water is right (should be soft, slightly acidic, low TDS/conductivity)
- the tank is right (not too small, approx 1 sqft bottom area per fish)
- the decor is right (there should be plenty of cover, hiding spots for the fish to get away from each other)
- there is not too much...
Depends on the size of the bottom area. Females need about 30x30cm for their territory with a cave/hideout in the centre, males 2-3x that space. Some species are also more aggressive than others. A pair of cacatuoides will work fine, if the individuals are not too aggressive you can also get a...