- Messages
- 297
- Location
- Krakow- Poland
At our polish forum about Apisto we are talking about sex ratio of Apistogramma mendezi.
We are searching for the best water conditions to have 50:50 sex ratio of offsprings(having more females than males is too good, 1:1 will satisfy us :biggrin.
In one of case:
1+1 A. mendezi F1
4,5 PH, hardness nearly 0, T=26C, water in tea colour
2 spawns, around 100 small Apistogramma, survival rate around 80%
From this all fishes around 85% were 100% males, the rest were hard to identify, probably sneaker males. No 100% female.
Second case
A. mendezi WF
4,5 PH, hardness nearly 0, T=22C
2 spawns(from two different pairs), around 100 small Apistogramma, survival rate around 80%
From this all fishes around 70% were males, 30% of females.
Anyone tries to do some research in this matter? Maybe water with pH around 5-5.5 and T around 22-24*C will be the best? But will the spawns be successful?
We are searching for the best water conditions to have 50:50 sex ratio of offsprings(having more females than males is too good, 1:1 will satisfy us :biggrin.
In one of case:
1+1 A. mendezi F1
4,5 PH, hardness nearly 0, T=26C, water in tea colour
2 spawns, around 100 small Apistogramma, survival rate around 80%
From this all fishes around 85% were 100% males, the rest were hard to identify, probably sneaker males. No 100% female.
Second case
A. mendezi WF
4,5 PH, hardness nearly 0, T=22C
2 spawns(from two different pairs), around 100 small Apistogramma, survival rate around 80%
From this all fishes around 70% were males, 30% of females.
Anyone tries to do some research in this matter? Maybe water with pH around 5-5.5 and T around 22-24*C will be the best? But will the spawns be successful?