Large Beast, unaligned
Armor Class 12 (natural armor)
Hit Points 19 (3d10+3)
Speed walk +30, climb +30
Challenge 1/4
Senses darkvision 30 ft., passive Perception 10
Variant: Hold Breath. The lizard can hold its breath for 15 minutes. (A lizard that has this trait also has a swimming speed of 30 feet.)
Variant: Spider Climb. The lizard can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 2) piercing damage.
Source: 5e Core Rules · OGL/Open