tiny Beast
Armor Class 11
Hit Points 10
Speed fly +60, swim +30, walk +30
Challenge 1/8
Saving Throws cha -3, con +0, dex +1, int -4, str -3, wis +1
Senses keensense 10 ft.
Languages -
Flyby. The snake doesn't provoke opportunity attacks when it flies out of an enemy's reach.
Bite. _Melee Weapon Attack:_ +3 to hit, reach 5 ft., one creature. _Hit:_ 3 (1d4+1) piercing damage, and the target must succeed on a DC 11 CON save or take 5 (2d4) poison damage.
Reflexive Escape. When a creature the snake can see attacks it, the snake can move up to 5 feet. If this movement puts the snake out of reach of the attack, the attack misses.
Source: Black Flag SRD · OGL/Open