Snow Spider, Medium (CR 1)

Medium Vermin
Alignment: Always neutral
Initiative: +4 (Dex); Senses: darkvision 60 ft., tremorsense 60 ft., and Spot +8

AC: 15 (+4 Dex, +1 natural), touch 14, flat-footed 11
Hit Dice: 2d8+2 (11 hp)
Fort +4, Ref +4, Will +0
Speed: 40 ft., climb 40 ft.
Space: 5 ft./5 ft.
Base Attack +1; Grapple +1
Attack: Bite +5 melee
Full Attack: Bite +5 melee
Damage: Bite 1d6 plus poison
Special Attacks/Actions: Leap, poison
Abilities: Str 11, Dex 18, Con 13, Int -, Wis 10, Cha 2
Special Qualities: vermin traits
Feats: Spring Attack; Weapon Finesse
Skills: Climb +12, Hide +8, Jump +28, and Spot +8
Advancement: 3 HD (Medium)
Climate/Terrain: Cold marshes
Organization: Solitary or colony (2-5)
Treasure: 1/10th coins; 50% goods; 50% items

Source: Frostburn

This big spider is covered in tufts of stiff white hair and has eight pale blue eyes. Its huge fangs are tucked beneath its horrible head.

Snow spiders are aggressive hunting spiders that roam the tundra, bogs, and everfrost of cold regions. They paralyze their prey for later consumption.