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  1. Frank Hättich

    Help sexing of my apistogramma.

    It's a male atahualpa.
  2. Frank Hättich

    Sexing my apistogramma macmasteri

    #1 male, #2 female.
  3. Frank Hättich

    Please help! Apistogramma id.

    For sure not! A. sp. Putumayo is a cruzi-subcomplex species. This one is an agassizii-subcomplex species. If they are in fact from the Rio Putumayo, it can be A. cf. agassizii (Rio Putumayo).
  4. Frank Hättich

    Fish quiz

    It's for sure not the most colorful species, but I like them. On the Glaser site you find some pictures.
  5. Frank Hättich

    Fish quiz

    Based on what I can see of the caudal spot, the black markings on the caudal peduncle and the pattern in the caudal fin my guess is A. salpinction.
  6. Frank Hättich

    Need help identifying

    It's hongsloi.
  7. Frank Hättich

    Does anyone know the details of this Apistogramma?

    I don't know how it looks in the wild, but it's not a particularly colorful species.
  8. Frank Hättich

    Does anyone know the details of this Apistogramma?

    It's the fish so far known as A. cf. sp. Pacman (Japan/Cano Iraca). A. sp. D66 is an other name of it, that for certain reasons had not been added to the species list so far - but now it has been added.
  9. Frank Hättich

    Looking to confirm D21

    In most cases the exact catch location is sufficient.
  10. Frank Hättich

    Looking to confirm D21

    In principle yes, but as it turned out in recent years (mostly by means of DNA analysis), usually different location means different species.
  11. Frank Hättich

    Looking to confirm D21

    On all the pictures I have of 5 different males every one of them has the lower half of the ventral fins colored red. Even some females in brooding dress show red tips of the ventral fins. But exceptions from such "rules" are present in every Apisto species, especially regarding such "soft...
  12. Frank Hättich

    Looking to confirm D21

    That is very commendable! Unfortunately, that's impossible to tell for sure without knowing the catch location. However, does your male ever show red coloration in the lower half of it's ventral fins, like this one?
  13. Frank Hättich

    A. hongsloi with interesting feature

    Your fish looks exactly like the other ones I have seen from that area. The red pattern in the caudal fin is probably an individual variation.
  14. Frank Hättich

    Hello! Can someone help me?

    According to my experience, in most cases it is impossible to tell the exact species from a single picture of a single (subadult and/or female) specimen without any additional information (e.g. catch location, name under which it was sold, other fishes it came with etc.). However, based on this...
  15. Frank Hättich

    Apistogramma identify?

    Most likely A. megaptera, much less likely A. piaroa.
  16. Frank Hättich

    Macmasteri ID

    Yes, they are not viejita. Type 2 is known as A. sp. Rotflecken and type 3 as A. sp. Schwarzkehl. Whether the latter two are two different species or merely different forms of the same species isn't known for sure, but I believe they are different species.
  17. Frank Hättich

    Macmasteri ID

    Here's a table with the differences.
  18. Frank Hättich

    Macmasteri ID

    Here are pictures of the viejita I kept :some years ago:
  19. Frank Hättich

    Macmasteri ID

    The book of Staeck & Linke "Amerikanische Cichliden I. Kleine Buntbarsche" show (true) A. viejita under the name "A. viejita type 1". The book by Koslowski "Die Buntbarsche Amerikas Band 2: Zwergcichliden – Apistogramma & Co" and the DATZ book "Sonderheft 2005 – Südamerikanische Zwergcichliden"...
  20. Frank Hättich

    Macmasteri ID

    First of all, all the pictures of A. viejita in Römer's CA1 actually show A. macmasteri. Distinguishing females of both species can be very difficult if not impossible. So better focus on males. Your male shows a narrow oval caudal spot, lacks a red seam at the upper edge of the dorsal fin, has...
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