I purchased 6 unsexed fishes as D39 mentioned in this thread:
apistogramma.com
Over time they were killed one by one with 1 solid male and 2 solid females (i actually only found one corpse and it was the last male but at least one of the female had damage in the side before it vanished and the dead male had trauma). This is the only remaining fish and i think it is a female 'cept for the pattern in the tail. I have 4 more arriving but thinking i will put them else where because someone in this group was hyper aggressive. Normally the hiding places is under the driftwood which has a lot of gaps in the back - anyway i'm not even sure this is a female or why the aggression level was so high - i never saw any actual violence among the fishes when i was in the room and the one remaining is not a shy fish by any means. the only other occupants are 7 morse code tetra.
Any comment on if i should put the 4 new ones in this 29 or a different 29 - the other 29 has 4 1/4 inch nijjensi fry and some kerri tetra - i'm not overly concern about the nijjensi fry though long term they would get removed but that is at least 2 or 3 months in the future. I do not expect more d39 to be available anytime in the next year.
This fish now has substantial size and is probably 1.5 inches - the 4 new ones come from the same batch but one is likely a runt as significantly smaller according to the store.
D39
In theory I picked up 6 young D39 and put them in a 29: My wild inaccurate guess is these two are females this picture is for @Mazan who will understand it: I don't have any good pictures of the other 3 but will work on them - i think they are likely too young to sex at this point. Also...

Over time they were killed one by one with 1 solid male and 2 solid females (i actually only found one corpse and it was the last male but at least one of the female had damage in the side before it vanished and the dead male had trauma). This is the only remaining fish and i think it is a female 'cept for the pattern in the tail. I have 4 more arriving but thinking i will put them else where because someone in this group was hyper aggressive. Normally the hiding places is under the driftwood which has a lot of gaps in the back - anyway i'm not even sure this is a female or why the aggression level was so high - i never saw any actual violence among the fishes when i was in the room and the one remaining is not a shy fish by any means. the only other occupants are 7 morse code tetra.
Any comment on if i should put the 4 new ones in this 29 or a different 29 - the other 29 has 4 1/4 inch nijjensi fry and some kerri tetra - i'm not overly concern about the nijjensi fry though long term they would get removed but that is at least 2 or 3 months in the future. I do not expect more d39 to be available anytime in the next year.
This fish now has substantial size and is probably 1.5 inches - the 4 new ones come from the same batch but one is likely a runt as significantly smaller according to the store.