Seahorse

Tiny Beast, Unaligned

AC: 12

Initiative: +1 (11)

HP: 1 (1d4 - 1)

Speed: 5 ft., swim 20 ft.

STR
1 (-5)
DEX
12 (+1)
CON
8 (-1)
INT
1 (-5)
WIS
10 (+0)
CHA
2 (-4)

Skills: Perception +2, Stealth +5

Senses: Passive Perception 12

CR: 0 (XP 0; PB +2)

Habitat: Underwater

Water Breathing.

The seahorse can breathe only underwater.

Actions

Bubble Dash.

While underwater, the seahorse moves up to its Swim Speed without provoking Opportunity Attacks.

Find this creature in the encounter builder

Seahorse

Source: Monster Manual (2025), p. 369 - Licenses and attribution