A monitor lizard measures between 8 inches and 10 feet long, depending on the particular species. Sleek and fast, it has a long neck ending in a tapered head, muscular legs, and a long, powerful tail.
Poison (Ex): Bite—Fortitude negates; save DC 10 + 1/2 the monitor lizard’s Hit Dice + its Constitution modifier; 1d6 Dex/1d6 Dex.
Poison Spray (Ex): Once every 1d4 rounds, the monitor lizard can spray poison in a 15-foot cone. See above for the effects of the poison.
Skill Bonuses: Monitor lizards gain a +4 species bonus on Hide and Move Silently checks. In forested or overgrown areas, the bonus on Hide checks improves to +8.
Monitor Lizard: CR 3; Medium-size animal; HD 3d8+9; hp 22; Mas 17; Init +2; Spd 30 ft., swim 30 ft.; Defense 15, touch 12, flat-footed 13 (+2 Dex, +3 natural); BAB +2; Grap +5; Atk +5 melee (1d8+4, bite); Full Atk +5 melee (1d8+4, bite); FS 5 ft. by 5 ft.; Reach 5 ft.; SQ Poison, poison spray; AL none; SV Fort +6, Ref +5, Will +2; AP 0; Rep +0; Str 17, Dex 15, Con 17, Int 2, Wis 13, Cha 2.
Skills: Climb +9, Hide +7 (+11 in overgrown or forested areas), Listen +4, Move Silently +6, Spot +4.
Advancement: 4–5 HD (Medium-size); 6–12 HD (Large).