Как на яз описать собаку шестью предложениями?

1) It's very devotee human's friend but it's not human.
2) Limbs of this animal are small, but very strong, and the front legs slightly shorter than back.
3) This animal has big black wet nose.
4) This animal often serve human on the hunt.
5) This animal is very funny and loves to play with human.
6) These animals have very good sense of smell.