The tongue of Shiba Inu is usually pink, black purple tongue may indicate that the Shiba Inu is not purebred, the Shiba Inu’s tongue will have purple spots, but not many and not big, so when selecting a Shiba Inu if the tongue color is black purple it is best not to buy. If the Shiba Inu is sick or has been poisoned by some toxic substance, the tongue may also appear black and purple, so if you find that the Shiba Inu’s mental state is abnormal and the tongue turns from pink to black and purple, you need to go to the hospital immediately for an examination. If you find that your Shiba Inu has a heart condition, it is best to take him to the vet as soon as possible to prevent his condition from worsening.
