uncommon ne medium animal fiend 

Perception +7; darkvision, scent (imprecise) 30 feet

Skills Acrobatics +6, Athletics +8, Stealth +6

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

AC  18; Fort +10, Ref +8, Will +5

HP 30; Immunities acid; Weaknesses good 3

Gnashing Bite [R] Trigger A creature grabbed by the corrosive lizard's jaws fails a check to Escape; Effect The lizard's jaws deal 1d6 piercing damage and 1d6 acid damage to the triggering creature.

Speed 30 feet, swim 30 feet

Melee [>] jaws +11, Damage 1d10+2 piercing plus 1d6 persistent acid damage and Grab

Gout of Acid [>>] (acid, primal) The corrosive lizard vomits a gout of acid in a 15-foot cone. Each creature in this area takes 3d6 acid damage (DC 20 basic Reflex save). The lizard can't use Gout of Acid again for 1d4 rounds.

Lurching Charge [>>] The corrosive lizard Strides up to double its Speed and then makes a jaws Strike. If the lizard moved at least 20 feet away from its starting position, it gains a +2 circumstance bonus to this attack roll.

Extinction Curse #1: The Show Must Go On, page 45.