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Fish/Did my Molly Fish have eggs???

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QUESTION: I have 2 molly fish and I was looking in my tank and I saw a milky white substance with black dots... Did my Molly have eggs?

I have been researching it and it says that Mollies can not have eggs.

Thank You,
Kyleigh

ANSWER: Hi Kyleigh,
  Mollies are livebearers, so they cannot lay eggs.  Do you have any snails in your tank?  Snail eggs could look like what you have described.

-- Ron C.
  rcoleman@csus.edu
  Cichlid Research Home Page <http://cichlidresearch.com>


---------- FOLLOW-UP ----------

QUESTION: I do not have snails... I found another set of those earlier today.
I had one of my Mollies die this morning.
Thank You For Your Time,
Kyleigh

ANSWER: Hi Kyleigh,
  Do you have any catfish in the tank?

-- Ron C.
   rcoleman@cichlidresearch.com
   Cichlid Research Home Page <http://cichlidresearch.com>


---------- FOLLOW-UP ----------

QUESTION: I only have 1 molly... that is all.
Over the last week or so I find more each day.
Thank You,
Kyleigh

Answer
Hi Kyleigh,
  I strongly suspect that you have some snails in there someplace.  Certain species of snails can be very hard to see/find, particularly if you have any live plants.

-- Ron C.
  rcoleman@cichlidresearch.com
  Cichlid Research Home Page <http://cichlidresearch.com>

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Ron Coleman

Expertise

I am an expert on cichlid fishes, particularly New World cichlids. My broader expertise includes the behavior, ecology and reproduction of fishes in general. (I am NOT an expert on Goldfish). Please do not use abbreviations, such as "my GT has a swollen eye" because I don't know what a "GT" is. The more clearly you can explain your question, the better chance I have of understanding what it is that you seek. I keep fishes both as a scientist and as a hobbyist and I currently maintain about 140 aquariums.

Experience

I am an Associate Professor at the California State University, Sacramento in the Department of Biological Sciences, and I run a website, called the Cichlid Research Home Page . I also write for many popular aquarist magazines, and I was editor of Cichlid News magazine for several years. I am a scientist and I spend my time teaching fish biology, ecology, behavior and evolution and doing research on the reproductive biology of fishes, particularly cichlids. I do research in the laboratory and in Costa Rica, Nicaragua and Mexico. My main interest is understanding the evolution of parental care in fishes. I am interested in encouraging greater public awareness, understanding and participation in science.

Publications
Cichlid News, Tropical Fish Hobbyist, Freshwater and Marine Aquarium, Science, Behavioural Ecology and Sociobiology, Copeia, Canadian Journal of Zoology, Trends in Ecology and Evolution, AUK, Environmental Biology of Fishes

Education/Credentials
PhD (Toronto, 1993) MSc (Simon Fraser, 1986) BSc (British Columbia, 1983)

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