uncommon n small animal 

Perception +8; darkvision

Skills Acrobatics +6, Athletics +4, Stealth +6

Str +2 Dex +4 Con +1 Int -5 Wis +1 Cha -2

AC  15; Fort +7, Ref +8, Will +5

HP 17

Wriggle [R] Trigger A creature the giant silverfish can see targets it with an attack; Effect The giant silverfish gains a +2 circumstance bonus to AC against the triggering attack. After the attack resolves, the silverfish Steps.

Speed 40 feet, climb 20 feet

Melee [>] mandibles +8, Damage 1d6+2 piercing

Voracious Consumption (1 minute) A giant silverfish consumes up to 1 Bulk of paper, cloth, or similar material. It can consume up to 8 Bulk each day.

Strength of Thousands #1: Kindled Magic, page 84.