Monstrous Crab, Small: Small Vermin (aquatic); HD 1d8+4 (8 hp); Init +0; Spd 20 ft.; AC 15, touch 11, flat-footed 15; Atk claw +1 melee (1d4); Full Atk 2 claws +1 melee (1d4); 5 ft./5 ft.; SA constrict 2d4, improved grab; SQ amphibious, low-light vision, scent; SV Fort +3, Ref +0, Will +0; AS Str 10, Dex 11, Con 12, Int —, Wis 11, Cha 2;

Skills and Feats: Hide +8, Spot +4; Toughness.

Organization:: Colony (2–5) or swarm (6–11).

Challenge Rating: ½.

Treasure: None.

Monstrous Crab, Medium: Medium Vermin (aquatic); HD 3d8+6 (19 hp); Init +0; Spd 20ft.; AC 16, touch 10, flat-footed 16; BAB +2/+8; Atk claw +4 melee (1d6+2); Full Atk 2 claws +4 melee (1d6+2); 5 ft./5 ft.; SA Constrict 2d6+2, improved grab; SQ Amphibious, low-light vision, scent; SV Fort +4, Ref +1, Will +1; AS Str 15, Dex 11, Con 12, Int —, Wis 11, Cha 2;

Skills and Feats: Hide +4, Spot +4; Toughness.

Organization: Solitary, colony (2–5), or swarm (6–11).

Challenge Rating: 2.