Look for reviews from previous owners; you want to mainly look out for forum posts of owners who ended up with Red Heeler pups that ended up having medical issues as they turned into adult dogs. (animalso.com)
Checking online, we found Shiba Inu x Red Heeler mixes, Shiba x Corgi mixes, Shiba x Alaskan Klee Klai, Shiba x Eskimo, Shiba x Keeshond, Shiba Siberian Husky, and a Shiba x Finnish Spitz. (pawster.com)
Colossal has even been able to rescue Buster, a 14 year old Red Heeler who was living as an outside dog his entire life. (sidewalkangelsfoundation.org)