rare n large amphibious beast 

Perception +20; low-light vision, scent (imprecise) 60 feet

Languages Sylvan (Can't Speak Any Language)

Skills Acrobatics +18, Athletics +25, Stealth +18, Survival +18

Str +8 Dex +3 Con +7 Int -3 Wis +3 Cha +0

AC  28; Fort +23, Ref +20, Will +18

HP 220

Tighten Coils [R] Trigger A creature grabbed or restrained by the zinba attempts to Escape; Effect The DC of the Escape check is increased by 2.

Speed 30 feet, burrow 10 feet, climb 30 feet, swim 30 feet

Melee [>] jaws +21, Damage 2d10+11 piercing plus

Melee [>] tail +21 (agile, reach 10 feet), Damage 2d8+9 bludgeoning plus Push 10 feet

Greater Constrict [>] 2d10+6 bludgeoning, DC 29

Slither [>] The zinba Strides, Climbs, or Swims up to half its Speed, pulling any creatures it has grabbed with it.

Swallow Whole [>] (attack) Medium, 2d10+6 bludgeoning, Rupture 23.

Zinba Restoration [>] (necromancy, positive) The zinba bites a creature within reach and delivers a restorative healing remedy instead of its venom. The creature takes 1 point of piercing damage, but then gains fast healing 5 for 1 minute. In addition, the restorative attempts a counteract check against any poison or disease affecting the creature with a counteract modifier of +22. A creature that receives the restorative is temporarily immune to the zinba's restorative for 24 hours.

Zinba Venom (poison) Saving Throw DC 29 Fortitude; Maximum Duration 6 rounds; Stage 1 3d6 poison (1 round)

LOME, page 308.