12 (natural armor)
90 (12d12+12)
swim 60 ft.
Perception +3
blindsight 120 ft.
3
The whale can't use its blindsight while deafened.
The whale can hold its breath for 30 minutes
The whale has advantage on Wisdom (Perception) checks that rely on hearing.
Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 21 (5d6 + 4) piercing damage.