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How to tell if your marigold platy fish is pregnant and what to do?

Updated On September 23rd, 2025

Pet's info: Fish | Unknown - Fish | Female

Is my marigold platy pregnant

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on July 18th, 2017

She looks like she may be pregnant. A female platy will become quite large when pregnant. Gestation lasts about 28 days. When she's ready, she will swim to a quiet part of the tank and give birth. The fry are fully developed and able to swim. If not removed soon, they may get eaten by the mother or other fish in the tank.

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