Z. danios breeding help
I have had 12 zebra danios for a little over a year in a 20 gal tank and I want to see if I can breed them. I have read a few threads and aparrently they are easy to breed and they probably have been breeding. I wanted to know what needs to happen to see some hatch and grow up even if its just a few. I put a sponge over the HOB filter intake two weeks ago. The tank is densely planted with rooted and floating plants and I keep the co2 at 30ppm as well as use fertilizer and a 65 watt light. This tank also contains red cherry shrimp and malasian trumpet snails. I feed them mostly on small pellets and flake, good brands like Ocean Nutrition or OSI but I also give them frozen brine shrimp or blood worms once in a while. So what is preventing these fish form making any offspring. Do I need to condition the adults or supply fry food like microworms or brine shrimp nauplii.
There could be many reasons for them not spawning. First, what is the ratio of male/female in the tank? The next thing I can think of is the snails eating the eggs as fast as they are scattered. How dense are the plants? What type of plants? Can you post a photo of the tank?
It happens that there are 6 males and 6 females. I dont think I can get rid of the snails but I can make them scarce for a while. the plants grow very dence and are all intertangled throuout the tank. I cant do a picture right now. some of the plants I know off hand are red cryptocorine wenditi, cryptocorine spirals, elodea, corkscrew val., anuba batari, rotella, tiger lotus, amazon sword, and java moss.
I think bettababy is right about the snails eating the eggs, probably the cherry shrimp are feasting too, if there are any eggs. I understand that for danios to breed, they want a long shallow tank, with simulated rain and fairly warm temps. Haven't tried it yet, but didn't sound too difficult.
okay, well I cant/don't want to remove the RCS, I heard that they are egg friendly. But I will work on the snail population, too many of those anyway. I didn't think the snails would eat the eggs but if they do I can see how that would make it impossible. I think the eggs are safe from the adults because they stay out of the java moss, but will the adults eat a free swimming fry?
Usually yes, the adults will eat the fry if they can get to them.
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