Anyone knowledgeable about mixed breed dogs? [View all]

I had a fantastic dog who was a Bichon and wheaten terrier mix.

He was the perfect dog for our family.
The Bichon side was so happy and loving, just joyful and affectionate.
The Wheaton side meant that he was a little larger —25 pounds — and athletic, a good dog for the young man in the family for being not a little tiny thing but a “real” dog.

He died 5 months ago and I’m finally getting ready to get a new puppy.
I’m so disappointed that this mix doesn’t seem to be available anywhere.

I guess we are leaning toward a cavachon — maybe two of them, to sort of balance out the dynamics with our springerdoodle. But it would make me happiest to have another bichon-wheaten.

And I’m wondering, why has this mix not become popular or common? There are not many bichon mixes that are medium sized dogs.. only tiny ones, expected to be under 15 pounds. Is that because they are hard to breed? Or are there health problems?

Appreciate any knowledge you can share.