S. s. terestris dropped babies on land

[michael]

Last year my fire salamanders had their babies in the water and all worked fine. This year one female dropped her young on land and they all died. How can I avoid this. They are in a 20 gallon long tank with 1/3 to 1/4 shallow water.
Thanks
Michael

 

[mike]

When I consider a gravid fire salamander is near to parturition, I transfer her to a container with a layer of Hortag 3" deep, sloping to 1" at the shallow end. Water is added to a depth of 2", and a piece of cork bark is used for a hide.
Should she produce on the land area, the larvae naturally migrate to the wet end.