Tropical Fish Keeping - Aquarium fish care and resources

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Rohland 09-30-2009 09:52 AM

Is This Pregnancy?
I have two zebra danios and one black skirt tetra just hanging out in my cory aquarium because they were left overs from my last tank. However the last couple of days I have noticed bubbles like a bettas bubble nest at the top of my aquarium, now looking at the danios one is very big in the stomach. I tried to take a picture but she is just too fast. Do you think she is pregnant, she is very big in the belly area.

I dont believe i will be attempting to save or raise the fry.

Oldman47 10-05-2009 09:08 PM

Rohland, your zebras are egg scatterers, not bubble nesters. The zebra may well be carrying eggs but she is not going to breed in the fashion of a betta or a gourami. She will move very quickly across the substrate while the males chase behind her and will release eggs during that sprint that the males will fertilize as they go. If there is no place the eggs can fall out of reach, both fish will then proceed to eat the eggs.

Rohland 10-06-2009 09:24 AM

Okay, i don't know what was making the bubbles then. The female tends to be chasing the male right now. He doesn't chase her. I know the eggs wont survive. Their tank is not setup for it. Because they were leftover from my old setup. Now i have 6 cories roaming the floor so their eggs will probably not survive.

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