Baleen Whale

Size/Type: Gargantuan Animal
Hit Dice: 12d8+78 (132 hp)
Initiative: +1
Speed: Swim 40 ft. (8 squares)
Armor Class: 16 (-4 size, +1 Dex, +9 natural), touch 7, flat-footed 15
Base Attack/Grapple: +9/+33
Attack: Tail slap +17 melee (1d8+18)
Full Attack: Tail slap +17 melee (1d8+18)
Space/Reach: 20 ft./15 ft.
Special Attacks:
Special Qualities: Blindsight 120 ft., hold breath, low-light vision
Saves: Fort +14, Ref +9, Will +5
Abilities: Str 35, Dex 13, Con 22, Int 2, Wis 12, Cha 6
Skills: Listen +15*, Spot +14*, Swim +20
Feats: Alertness, Diehard, Endurance, Toughness (2)
Environment: Warm aquatic
Organization: Solitary
Challenge Rating: 6
Advancement: 13-18 HD (Gargantuan); 19-36 HD (Colossal)
Level Adjustment:

The statistics here describe a plankton-feeding whale between 30 and 60 feet long, such as gray, humpback, and right whales. These massive creatures are surprisingly gentle. If harassed or provoked, they are as likely to flee as they are to retaliate.