Swarm of Poisonous Snakes

Medium Swarm of Tiny Beasts, Unaligned
Armor Class: 14
Hit Points: 36 (8d8)
Speed: 30 ft., swim 30 ft.
STR
8 (-1)
DEX
18 (+4)
CON
11 (+0)
INT
1 (-5)
WIS
10 (+0)
CHA
3 (-4)


Source: Monster Manual