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  1. Mike Wise

    Apistogramma rupununi

    This species can grow larger than many apistos - up to 3.5"/8cm TL for males. As such they are probably too young to confidently sex at their size.
  2. Mike Wise

    Apistogramma rupununi

    ... and A. hippolytae is found throughout the middle Amazon. A. rupununi is also found in the upper Rio Branco of Brazl. Neither Guyana nor the upper Rio Branco are hot spots for commercial collectors. I haven't had either species since the 1990s. Both are not really difficult to reproduce in...
  3. Mike Wise

    Sold as A. Borelli 'Yellow' and listed as a male

    Looks like a young male to me. Many people think yellow always indicates female.
  4. Mike Wise

    Male or Female German Blue Rams

    Well, the fish in the center looks like a female; the other a male.
  5. Mike Wise

    Sexing apistogramma guttata

    I'm still not sure these are the holotype form of A. guttata. The fish I had were collected in the Orinoco delta of Venezuela and looked like this: https://www.researchgate.net/figure/For-comparison-Apistogramma-guttata-male-not-preserved-live-coloration-in-the_fig6_271446155. Your fish are...
  6. Mike Wise

    Sexing apistogramma guttata

    All I can say is that it probably is a pair, but it does not look like A. guttata in these photos. The holotype form of the species - which I had and reproduced back in the late 1980s - has multiple rows of spots along the flanks (2 above and 3 below the lateral band). You fish look more like A...
  7. Mike Wise

    how do you post an image in a 1:1 message ?

    I simply copy the photo from my compute and then paste (Ctrl V) onto my post. Works for me.
  8. Mike Wise

    Typically at what size can you sex Dicrossus maculatus

    Mia culpa, yes I was referring to D. filamentosus.
  9. Mike Wise

    Typically at what size can you sex Dicrossus maculatus

    I've seen wildcaught fish with red ventral fins that were only 3.5 cm/1.5". Obviously a sign that it was a female and had spawned in the past. Others? I just waited for the caudal to develop upper and lower extensions indicative of males. My philosophy is when in doubt buy 6.
  10. Mike Wise

    Dicrossus filamentosus

    Actually a trio (1 male, 2 females). Of course experience keeping dwarfs is helpful.
  11. Mike Wise

    Dicrossus filamentosus

    I sure MacZ was referring to tank size, not fish size. I kept mine in a 20 Long (75x30x30 cm) where they would breed quite regularly.
  12. Mike Wise

    Does anyone recognize tihs - is it pyhsical damage or disease

    Make sure your table salt does not contain iodine (iodized salt). Most kosher salt is just NaCl however.
  13. Mike Wise

    Looking For Advice (A. Borelli)

    When I feed frozen foods (I hope you don't plan on feeding exclusively flakes; most apistos ignore them) I use a kitchen baster and put some on 1 side and shoot some on the other side close to the bottom.
  14. Mike Wise

    Finding bitaeniata female when male locality is kind of unknown

    That is true, but in the wild dominant females tend to choose sites with ideal temperatures for 50/50 broods. I have the original paper somewhere. I don't think it was in either of his books.
  15. Mike Wise

    Looking For Advice (A. Borelli)

    You don't really need either. It just makes apisto keeping a slight bit easier. I use leaf litter rarely, using other structures for them in which to hide. I also have never used fine sand. My way may be a bit more labor intensive, but the fish live long happy lives and regularly breed. This is...
  16. Mike Wise

    Looking For Advice (A. Borelli)

    Old habits die hard it seems. I gravel clean more or less like I did when I used undergravel filters way (way) back when. I still use the same fine gravel/coarse sand that I did back then (I'm cheap). Still I don't recommend this for new hobbyists. Just test periodically for 'dead spot' where...
  17. Mike Wise

    Finding bitaeniata female when male locality is kind of unknown

    No, not quite right. Römer wrote in an article that dominant females selected territories where conditions produced equal numbers of both sexes. Subdominant females produced more females in cooler areas and more males in warmer areas. The end result would be equal numbers of both sex, but only...
  18. Mike Wise

    Looking For Advice (A. Borelli)

    Since it is a community tank and not for breeding (not sure how successful you will from keeping the White Clouds from breeding) you should be fine with the different species and the tank temperature. You write that you plan to add a sand cap. I don't know how successful you will be from keeping...
  19. Mike Wise

    using a 22L 40x25x22cm tank for a male and a female cacutoides double red

    IMHO it is possible if you have a lot of experience with dwarf cichlids. I have done it (accidentally) and also lost many fish. I have similar size tanks but now only use them to keep and breed pencilfish and other tetras and as hospital tanks.
  20. Mike Wise

    Hello!!

    AOK, please don't get over-concerned with water hardness right now. Your Opals would almost certainly be domestic and adapted to water different from where the species lives in the wild. Yes dGH >10 is hard so I wouldn't expect breeding success, but with proper care they will live in it. FYI I...
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