Giant Seahorse
Large Beast
Armor Class 13
Hit Points 22 (4d10)
Speed swim +40, walk +0
Challenge 1/2
STR
12
+1
DEX
14
+2
CON
10
+0
INT
2
-4
WIS
12
+1
CHA
4
-3
Senses passive Perception 11
Special Abilities
Water Breathing. The seahorse breathes only water.
Actions
Ram. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 6 (2d4+1) bludgeoning damage. If the seahorse moves at least 20 feet straight towards the target before the attack the attack deals an extra 5 (2d4) bludgeoning damage and the target makes a DC 11 Strength saving throw falling prone on a failure.
Source: Level Up Advanced 5e Monstrous Menagerie · OGL/Open