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  1. TCMontium

    Heavy breathing, half clamped tail fin, rubbing on wood/plants

    Now that the effect of photosynthesis on pH was mentioned on Apistogramma Megaptera']Apistogramma Megaptera[/URL], I suppose a pH spike could have also occurred in my aquarium. I do not have many plants, not many at all, but the lights were left on for around 24 hours since I fell asleep without...
  2. TCMontium

    Heavy breathing, half clamped tail fin, rubbing on wood/plants

    These are the only symptoms on my Dicrossus. Today morning, 12 hours ago (I live in EU) I noticed one sitting on a leaf, which just seemed like extra sleeping (since dicrossus sleep like that), but now all the dicrossus are showing those symptoms and even green neons are breathing heavyly and...
  3. TCMontium

    D. foirni on aquabid

    Apparently there was many more, but just the first 2 people on their waiting list bought most of them. (now I wonder, what about the rest of the people on their list? Did they all decide not to buy any or did the seller decide to sell the remaining 6 on aquabid without offering them to the...
  4. TCMontium

    Apistogramma Megaptera

    It seems like there is more than the well-know 2 species. But I guess only rarely piaroa and mostly megaptera are imported worldwide. What differences A165 have from megaptera and piaroa? "No, it's not the Apistogramma piaroa, nor the Apistogramma megaptera, but the Apistogramma sp...
  5. TCMontium

    60L inspired biotope tank for A.Abacaxis

    Actually, the aquarium isn't fully filled with water, so the question was very logical for me. I also have a 60*30*30h cm aquarium, but even when fully filled it is just around 50 liters (because of the substrate and a few cm empty distance on top water level). I would guess this aquarium (or...
  6. TCMontium

    Is this a Macmasteri?

    I would say macmasteri looking at last photos. https://www.einrichtungsbeispiele.de/images_2222/h1024_w1024/apistogramma-macmasteri--weibchen--mit-aspidora__clara2.jpg
  7. TCMontium

    Dicrossus sexual developement

    Oops, I meant microSiemens (uS).
  8. TCMontium

    Dicrossus sexual developement

    Thanks. I am guessing even if conductivity is around 5-30 mS, if pH isn't too low (for example 5.5), then the DOC levels aren't very important either. Those are the conditions in clearwater streams where apistos like some Apistogramma ortegai and some Apistogramma eunotus are found...
  9. TCMontium

    Dicrossus sexual developement

    Thanks for the article. However I couldn't find any correlation between Humic Substances (HS) and conductivity/TDS of the water in the article (I didn't read it completely, but searched for keywords and skim-read for now). Aren't the same amount of humic compounds needed for fishes health both...
  10. TCMontium

    Is this a Macmasteri?

    A bright colored bottom might make identification easier, instead of a dark one (like your black sand). Dark environment tends to make the fish become darker colored to blend in. Therefore pattern details and light colors are very hard to observe in detail in a black or dark brown environment...
  11. TCMontium

    ortegai sexing

    I would say this fish isn't A. ortegai or A. cf. ortegai, the caudal spot on ortegai is like a square or rectangle or a not particularly shaped spot. This fish has a complete stripe from top to bottom. Caudal and dorsal fin patterns on ortegai are different too. As far as I have seen even when...
  12. TCMontium

    Dicrossus sexual developement

    I wonder if we are growing the juveniles in too acidic or hot (or even both) water, so they mostly develop as males. But I would guess that the sex is determined earlier than the age we mostly buy them. I am guessing no one tried growing them in 6-7 pH and mid 70s (24-25 C)? I just hope...
  13. TCMontium

    Dicrossus sexual developement

    Well then, I had only RO and the aquarium was 15-20 ppm TDS back then when all the eggs would just not develope and slowly get eaten in 2-3 days. I will have to try DI water this time and make it 2-5 ppm TDS. :eek:
  14. TCMontium

    Dicrossus sexual developement

    I had several spawns in as cold as high 70's to low 80's (25-27 C). Never even tried mid to high 80's before (29-31 C). Maybe the reason all my eggs stayed clear yellow without any developement, than turned white with bubbles inside randomly and instantly, and then just got eaten by the female...
  15. TCMontium

    Nerd question

    I do not have the Atlas, but could it be A. sp. "Rotwangen" ? I am guessing the name "Red Cheek" is translated directly from the German word "Rotwangen". https://apistogramma.com//forum/threads/apistogramma-caetei.5788/ The fish you are talking about (A. "Barbarossa") seems to be Apistogramma...
  16. TCMontium

    Ideal temperature for ideal sex ratio

    Different species of apistogramma may have different sex ratios at the same temperature and pH, but not in the opposite direction. Higher temperatures and lower pH always means more males (as far as I have seen in the studies of Römer and tested myself). Are you sure all three species you bred...
  17. TCMontium

    Tank mates for low conductivity and pH

    Hello, I am wondering which fish species other than Apistogramma, Dicrossus, Taeniacara, Ivanacara, Biotoecus, etc. are able to grow and live without health problems in low conductivity (0-100 microSiemens, preferably around 20-30 microSiemens [10-15 ppm TDS] ) and low pH (under 5.5, preferably...
  18. TCMontium

    Dicrossus sexual developement

    Hello, The title isn't quite fitting actually. I just wanted to hear about what the sex ratio of your dicrossus batches turned out to be and what you heard from other breeder's batches. And even the ratio you got from juveniles you bought and raised to adulthood. Right now I have 6 filamentosus...
    • TCMontium
    • Thread
    • checkboard dicrossus females filamentosus fiorni maculatus males scewed sexratio sexualdevelopement
    • Replies: 16
    • Forum: Husbandry / Breeding
  19. TCMontium

    Help with moss identification please...

    I wish I had these algae instead of cyanobacteria, black beard algae and hair algae. :rolleyes: You are very lucky.
  20. TCMontium

    the luxury problem - baenschi breeding

    With more water changes, more protein-heavy feeding, more dissolved oxygen, a bigger tank and more heat fry will grow faster. I had 20 fry in 60 liters at 26 celcius There wasn't much surface movement or water circulation for increased oxygen levels. I fed them only once ir twice a day with BS...
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