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Recent content by Tom C

  1. Tom C

    D39

    In the rear parts of my tank, where there is less light, these beautiful creatures appear quite differently, and the "code" is more prominent:
  2. Tom C

    Interesting little tetra (Trochilocharax ornatus)

    I keep these too. They came as Hemigrammus sp. "Tetra Orange". They seem to have scales on the base of the caudal fin, which correspond well with being an Hemigrammus, and they show an adipose fin, so they are not a Hasemania nana, Silvertip Tetra. I think they look amazing: They do for...
  3. Tom C

    A. hongsloi with interesting feature

    This is one of the males I have had from Vichada. It doesn't show any pattern in the caudal fin like your fish does. And I don't recall seeing any A. hongsloi with a pattern like rows of colored rectangles in the caudal fin. According to the description (Kullander 1979) there is no pattern in...
  4. Tom C

    question on low ec

    Branchial calcium (Ca2+) uptake in fish gills is a vital process for maintaining calcium homeostasis, involving both active and passive transport mechanisms. It primarily occurs in specialized cells called "chloride cells" (also known as mitochondria-rich cells or ionocytes) located in the gill...
  5. Tom C

    Apistogramma elizabethae question

    No problem keeping a group of adults and youngsters, but mine bred easiest when I had one pair in a tank for themselves.
  6. Tom C

    Is a. sp d51 available for import ?

    pH between 4 and 5, EC around 70 µS/cm. Funny observation: In a batch of around 80 fry from this female there were 3 different "forms" of fry (for several months). I had not seen this earlier. However, they all grew up to be "normal" looking D51s. And in this species, males are...
  7. Tom C

    Is a. sp d51 available for import ?

    When I was first contacted by Daniel (biologist, from Bogota), more than a decade ago, he had several unidentified Apistogramma which he had found, to show me. To keep track of them, and to honor the collector, I gave them a "D" (Daniel) number. When we then started traveling and exploring...
  8. Tom C

    Apistogramma elizabethae question

    Don't be surprised to see different color forms of A. elizabethae: In the Rio Uaupés drainage there has been found a (senescent?) form which is almost completely white, except for two black lateral spots and a black suborbital (cheek) stripe. (Photos in page 385 & 387 in Cichlid Atlas 1, English...
  9. Tom C

    Apistos with spiky fins

    My picture shows one of our most recent Apistogramma cf. personata discoveries, from a location we call Q4 in Colombia. (There are many other locations where similar forms could be found, here are some of them: (LINK))
  10. Tom C

    Apistos with spiky fins

    Is this the fulfillment of your wishes?
  11. Tom C

    D39

    The reason I asked is that when we collected the Morse Code Tetra in the Rio Putumayo drainage (LINK), which is far away from the Rio Nanay, the fisherman guiding us told us that this species could only be found there, and in a location much further east. When I saw your statement that the...
  12. Tom C

    D39

    Do you know that they are found in the Rio Nanay?
  13. Tom C

    Colour form of nijjensi

    The "...confirmed wild caught with a location of Tahuayo River" makes me wonder...- Beyond that, I have no indication for either one or the other, so I refrain from speculation.
  14. Tom C

    Colour form of nijjensi

    I don't remember having seen an A. nijsseni exactly like your new male.... I collected in the Rio Tahuayo in 2011 (LINK). Didn't find any A. nijsseni there, and I have never heard of any A. nijsseni been found in the Rio Tahuayo by local fishermen. However: There are small streams very close...
  15. Tom C

    Need a little help understanding this...

    We collected A. viejita at the type locality, in January 2017: Before that time it was very difficult to collect them, as the area was controlled by the FARC guerrillas. It is easy to get to this area, but of course you'll have to know where to go, invest time and money to get there, and...
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