Pathfinder: Shadow creature II

Also, here's a seru from Monster Codex with the shadow creature template from Bestiary 4:

SHADOW SERU CR 4

XP 800

NE Small outsider (augmented)

Init +6; Senses darkvision 60 ft., low-light vision, scent; Perception +10

DEFENSE

AC 15, touch 14, flat-footed 12 (+2 Dex, +1 dodge, +1 natural, +1 size)

hp 22 (3d10+6)

Fort +5, Ref +5, Will +2

Defensive Abilities shadow blend; Resist cold 5, electricity 5; SR 9

OFFENSE

Speed 20 ft., fly 40 ft. (average)

Melee bite +6 (1d4–2 plus poison)

Ranged spit venom +6 ranged touch (poison)

Special Attacks poison, spit venom

STATISTICS

Str 6, Dex 15, Con 14, Int 11, Wis 13, Cha 10

Base Atk +3; CMB +0; CMD 13

Feats Dodge, Flyby Attack, Improved Initiative, Weapon Finesse

Skills Bluff +7, Fly +4, Perception +10, Stealth +10 (+14 in rocky areas); Racial Modifiers +4 Bluff, +4 Perception

Languages Aklo, Common (can't speak any language); telepathy 60 ft.

ECOLOGY

Environment any land (jungles, swamps, or underground)

Organization solitary, pair, or nest (3–8)

Treasure none

SPECIAL ABILITIES

Poison (Ex) Bite or spit venom—injury; save Fort DC 15; frequency 1/minute for 6 minutes; effect 1 Con damage plus blindness for 1 minute; cure 1 save.

Spit Venom (Ex) As a standard action, a seru can spit venom up to 30 feet. This is a ranged touch attack with no range increment. Any opponent hit by this attack is exposed to the seru's poison.