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  1. JeffInKentucky

    Apisto borellii opal sex ratio of fry

    I have had several batches of fry that when mature are about a 6:1 female to male ratio. I read somewhere once that water parameters influence that ratio, but I cannot recall what those parameters were. My water is soft, with a ph around 6.5 and temps around 78. Can anyone advise what the...
  2. JeffInKentucky

    Why is male macmasteri suddenly staying in cave

    I have a pair of young macmasteris that I’ve had for a month. They have hung closely with each other and are very active and healthy and not shy at all. The last few days I have noticed that the male has been hiding out in a cave at the other side of the tank. No noticeable aggression at all...
  3. JeffInKentucky

    Hydra in my apisto tank - seeking advice

    I have discovered hydra in my apisto tank that has a pair of borellii opals that appear to have spawned - female is guarding the cave. Given that I can’t manually remove the hydra because of where it’s located, I’m thinking my best bet is Planaria Zero as described at...
  4. JeffInKentucky

    How concerned should I be with this spawning behavior?

    After 2 weeks the male borellii has gone into full spawning mode with a somewhat smaller/younger female. He is aggressive, but not too much actual contact. She runs off and hides in the tight space behind the heater, while he darts around aggressively looking for her. She seems stressed...
  5. JeffInKentucky

    Apisto cave size?

    I’m beginning to hardscape a new aquarium for an apisto cacatuoides pair. I prefer a natural look, so I’m creating my own caves. Does this cave look large enough on inside? First photo is from top. Second photo is the front. P.S. I will be filling in the gaps so that there is just a small...
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