Manatee (5e Creature)
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Large beast, unaligned
Hold Breath. The manatee can hold its breath for 30 minutes.
Slam. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) bludgeoning damage.
Manatees are aquatic mammals that feed on underwater plants. They are sometimes called sea cows for their docile natures, much like cows on land.