Your Charisma score increases by two, and your Strength score increases by one.

Dogs have short lifespans generally living around 10 - 15 years. Considered elderly at 10 years.  They are considered adults at 1 year of age.

Dog's are considered medium and can be used as mounts by halflings and other small races.

Your teeth are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal piercing damage equal to 2d4 + your Strength modifier, instead of the bludgeoning damage normal for an unarmed strike. If the target is a creature, it must succeed on a DC 11 Strength saving throw or be knocked prone.

You have exceptional senses of hearing and smell. You gain advantage on any Wisdom (Perception) checks that rely on hearing or smell.

While you can not speak any language you are able to understand Common and 2 languages of your choice.