n gargantuan animal 

Perception +27; darkvision, tremorsense (imprecise) 90 feet

Skills Athletics +30

Str +9 Dex +4 Con +6 Int -5 Wis +6 Cha -4

AC  38; Fort +29, Ref +25, Will +25

HP 275

Speed 50 feet

Melee [>] pincer +30 (agile, reach 30 feet), Damage 3d12+15 slashing plus Grab

Melee [>] stinger +30 (reach 30 feet), Damage 3d8+15 piercing plus black scorpion venom

Black Scorpion Venom (poison) Saving Throw DC 36 Fortitude; Maximum Duration 6 rounds; Stage 1 2d12 poison damage and clumsy 2 (1 round); Stage 2 3d12 poison damage, clumsy 2, and slowed 1 (1 round); Stage 3 4d12 poison damage, clumsy 4, and slowed 2 (1 round)

Greater Constrict [>] 2d12+12 bludgeoning, DC 36

Rapid Stinging [>>] The black scorpion makes three stinger Strikes, each against a different target. Its multiple attack penalty applies to each attack, but the penalty increases only after all the attacks have been made.

Bestiary 2, page 234.