n medium dragon 

Perception +8; darkvision

Languages Draconic

Skills Acrobatics +7, Athletics +8, Crafting +4, Intimidation +6, Stealth +7

Str +4 Dex +1 Con +3 Int -3 Wis +2 Cha +0

Natural Camouflage A tatzlwyrm's green, gray, and brown scales provide it natural camouflage. In areas of dense undergrowth, a tatzlwyrm can move at its full Speed when Sneaking, and it gains a +4 circumstance bonus to Hide.

AC  18; Fort +11, Ref +5, Will +8

HP 30

Speed 30 feet, climb 30 feet

Melee [>] jaws +10 (magical), Damage 1d8+6 piercing

Melee [>] claw +10 (agile, magical), Damage 1d6+6 slashing

Poison Gasp [>] The tatzlwyrm belches a puff of poisonous vapor into the face of an adjacent creature, which must attempt a DC 15 Fortitude save; the creature takes a –2 circumstance penalty to this save if it's grabbed or flat-footed. The tatzlwyrm can't use Poison Gasp again for 2 rounds. Critical Success The target is unaffected.Success The target is sickened 1.Failure The target takes 2d6 poison damage and is enfeebled 1 for 1 round.Critical Failure The target takes 4d6 poison damage and is enfeebled 1 for 1 minute.

Bestiary 2, page 256.