Giant Sea Horse

If the Giant Sea Horse moves at least 20 feet straight toward a target and then hits it with a ram attack on the same turn, the target takes an extra damage. If the target is a creature, it must succeed on a saving throw or be knocked prone.

The Giant Sea Horse can breathe only underwater.

+3 to hit, range 5 ft. Hit: 4 (1d6 + 1) bludgeoning damage.