Piranha
Small beast, unaligned
Armor Class 13 (natural armor)
Hit Points 1 (1d4 - 1)
Speed 5 ft., swim 40 ft., climb 2 ft.
str
2 (-4)
dex
16 (+3)
con
9 (-1)
int
1 (-5)
wis
7 (-2)
cha
2 (-4)
Senses darkvision 60 ft., passive Perception 8
Languages -
Challenge 0 (0 XP)
Water Breathing. The piranha can breathe only underwater.
Actions
Bite. Melee Attack Roll: +5 (with Advantage if the target doesn't have all its Hit Points), reach 5 ft. 1 Piercing damage.