Hartwegi, At what size do they pair up?

[LIGNARI]

I'm hoping to eventually get a pair from a group of 6 Hartwegis.
They range from 3-4 inchs.

From your own experiences, at what size will they start to pair off?

 

[orbit]

Going by normal Veija, with correct conditions? Anytime!

 

[Cross127]

At 4 inch they should show signs of breeding.