I have a 5 year old Hystrix trio and one of the females is pregnant. Currently they are in a 300 gallon 8'x30"x2'H tank. I was thinking of moving the group to one of my 400's 8'x42"x2'H. Just them - no ther rays. They are not cramped where they are now, but I'm sure they wouldn't mind the extra space. All my tanks are on the same drip / recirculation system so water parameters would be exactly the same. Tanks are literally 6' apart and I would use a rubber net for the move. Concern is will the move stress the female out enough that she could lose her pups? She is 2 months pregnant. Typical gestation for a Hystrix is roughly 6 months (based on Spotfin's and Aquamann's experience). Anyone have experience (good or bad) in moving a pregnant ray?
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