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  1. Frank Hättich

    Sex of apistogramma agissizi

    It's for sure not cacatuoides.
  2. Frank Hättich

    D39

    Some of your fish seem to faintly show the typical black markings in vertical bars 2 & 3 that distinguish D39 from other personata-like species. When shown in a pronounced way, they look like this:
  3. Frank Hättich

    Looking for Agassizi female (NJ USA)

    For what do you want to look specifically? That your male is an "Agassizii blue Tefe" is just a guess by some people you have asked. It is impossible to tell this for sure from the looks of your fish - it's just one of many equally probable possibilities. And even if it would be certain that it...
  4. Frank Hättich

    Looking for Agassizi female (NJ USA)

    It doesn't look like Netz or BBCS to me. Since the op mentioned the name "blue Tefe" it might be A. cf. agassizii (Rio Tefe) or it's a domestic strain with that name. In the latter case, it's likely already a mix of different species subsumed under the name "agassizii".
  5. Frank Hättich

    Apistogramma from Colombia and Venezuela

    Actually it's the other way round Mike, these are all Taka's pictures - he is one of the best Apisto photographers I know.
  6. Frank Hättich

    Apistogramma D21 identification

    It's D50.
  7. Frank Hättich

    Apistogramma D21 identification

    In the first picture I can't see enough relevant features of the fish (e.g. caudal spot, coloration of the dorsal fin) to tell whether it's viejita or not. However, if the caudal spot is shaped like a "D" and the fish doesn't have a red seam at the upper edge of the dorsal, it's not viejita. Imo...
  8. Frank Hättich

    Apistogramma D21 identification

    I too think that the first two are not D21. Which macmasteri-subcomplex species it exactly is, is impossible to tell for me. The other fish are for sure not A. uaupesi. They look like D50 to me.
  9. Frank Hättich

    ID help

    The smaller one isn't A. personata. The only thing to worry about might be it's sex, I too tend to believe that it's a male.
  10. Frank Hättich

    A. piaroa or A. megaptera

    I don't think so. But if you want to be sure show some clear pictures of the fish with all fins spread. What size is it?
  11. Frank Hättich

    A. piaroa or A. megaptera

    It's a male of one of the A. (cf.) piaroa forms, most likely A. piaroa.
  12. Frank Hättich

    Which breed is this

    It's a hoignei-subcomplex species. If you don't know the catch location, it will be impossible to tell which one exactly. In this case I would just call them A. cf. hoignei.
  13. Frank Hättich

    New article! Apistogramma sp. "D10"

    The two fish in your latest pictures are for sure both males.
  14. Frank Hättich

    New article! Apistogramma sp. "D10"

    Since the fish in this picture shows a pronounced pattern in the caudal fin (and also in the anterior soft part of the dorsal) I'm sure that it's a male.
  15. Frank Hättich

    New article! Apistogramma sp. "D10"

    Two other species similar to D10 and D50 have been found so that there is now a D10-group in the species list. Some years ago it was said that D10 will be scientifically described very soon, but so far this didn't happen.
  16. Frank Hättich

    Species and sex id ?

    There can be many reasons for a difference in the intensity of coloration.
  17. Frank Hättich

    Is this a male or female

    It's a male mendezi.
  18. Frank Hättich

    Male or female mendezi

    Younger A. mendezi can be difficult to sex. In general the tips of the soft parts of dorsal, anal and ventral fins should be less pointed/elongated as in males, females should show less pronounced pattern in the caudal fin and the metallic bluish markings on the head should be less pronounced...
  19. Frank Hättich

    Male or female mendezi

    It's a male.
  20. Frank Hättich

    Help with ID

    If you mean abdominal stripes, yes.
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