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About Brit Brit
Expertise
I can answer your questions about Bettas, most Freshwater Tropical Fish, compatibility between tropical freshwater fish, tips on how to set up a new aquarium, what fish to add, what temperature your tank should be at, etc. I can answer questions about goldfish, and I know a bit about aquarium plants. I can't answer questions concerning anything marine, and I know next to nothing about ponds, and even less about Cichlid breeding. So please don't ask. If I am not sure about something, I will try to research it for you and get back to you very quickly. I cannot magically cure your fish over the web, unfortunately, so please remember your fish's health depends solely on you. Also, don't expect a detailed answer if I have not been given a detailed question. I can only do so much! Details, details, details!! (It does state what I need on the Ask A Question Page)

Experience
I take care of over 3000 fish daily. I worked at Petsmart for a few years, and have had training in many areas, including aquaria and all the basics to keep fish happy and healthy. I met quite a few experts in the hobby and have learned a lot from them, and they have learned a lot from me :) Also, I have done a lot of research and studying on my own time about not just fish but a lot of different house pets because I like to help people and help their pets.

Education/Credentials
Petsmart training Adult Diploma

You are here: Experts > Animals/Pets > Pet Fish > Fish > Zebra Danios

Topic: Fish

Expert: Brit Brit
Date: 5/9/2008
Subject: Zebra Danios

Question
Hello,
I have recently purchase zebra danios. They are quite happy, and I think I have a breeding pair. The male is always chasing the female. I was wondering: what do their eggs look like? If I knew what their eggs looked like, I could know if I see any in the future.
Thanks,
Erika

Answer
Erika,
Zebras are egg scatters, so marble or marble chips would be a good idea. A long, thin tank (normally referred to as breeder tanks) is best for the spawning. You don't want to fill it up all the way with water, around 3-6 inches of water is best. They tend to go back and forth while spawning, thats why the shallow water, so the eggs can fall into the rocks before the fish can eat them. Because of this, it would be best to use a fully submersible heater, and they require a temperature of about 75 degrees F.
These fish are great for beginner hobbyists wishing to spawn, as they are prolific breeders. Zebra Danios are somewhat unique, as they are quite loyal to their chosen mate. Mated pairs remain together, and rarely spawn with others, even if one mate dies.
You'll want to put into the tank fine-leafed plants or a spawning grid on the bottom. Course gravel works well, as the eggs will fall between the gravel pieces and will be protected from the adult fish, which will eat their own eggs.
Spawning can usually be triggered by raising the water a couple of degrees near dawn, when spawning normally occurs. 300 to 500 eggs will be scattered across the bottom and on the plants. Remove the parents after spawning, as they will eat the babies.
The fry will hatch in two days. They are very tiny, and can easily be lost when changing water, so take care when maintaining the grow-out tank. Feed the young commercially prepared fry food, or finely crushed dry foods. Powdered egg may also be added to the fry food to promote growth.

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