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Mokey41 asked in PetsFish · 1 decade ago

How old do Lyretail mollies have to be before they develop the lyre shape to their tail?

Update:

I have a female lyre tail who gave birth to fry a few months ago. Two females survived but just have the ordinary tail. I'm wondering if they will develop the lyre tail like their mother and when.

1 Answer

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  • 1 decade ago
    Favorite Answer

    you might have females

    The pointed anal fin and much larger dorsal fin on the male, and the rounded anal fin and pregnancy spot on the female differentiate the two. The Lyretail Molly is a livebearer that requires a spawning box in a 25 gallon, or larger, breeding tank. The aquarium should be planted as densely as possible or have a thick algae mat. Having a group of floating plants in the corner of the aquarium will promote rearing outside of the breeding tank. Every 60-70 days the female will give birth to 10-60 young that are already approximately one-half inch long.

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