n medium animal 

Perception +6; low-light vision, scent (imprecise) 30 feet

Skills Athletics +6, Stealth +7

Str +3 Dex +2 Con +2 Int -4 Wis +1 Cha -1

AC  17; Fort +8, Ref +8, Will +5

HP 17

Buck [R] DC 17

Irritating Dander A creature that hits the goblin dog with an unarmed attack, tries to Grapple it, or otherwise touches it is exposed to goblin pox.

Juke [R] Trigger The rider issues a command to the goblin dog. Requirements A creature must be mounted on the goblin dog. Effect The goblin dog Steps before following the command.

Speed 40 feet

Melee [>] jaws +9, Damage 1d6+3 piercing plus goblin pox

Goblin Pox (disease) Goblins and goblin dogs are immune to goblin pox. Saving Throw DC 17 Fortitude; Stage 1 sickened 1 (1 round); Stage 2 sickened 1 and slowed 1 (1 round); Stage 3 sickened 2 and can't reduce its sickened value below 1. (1 day)

Scratch [>>] (manipulate) The goblin dog vigorously scratches itself, exposing all adjacent creatures to goblin pox.

Bestiary, page 182.