Shark, Reef 2014
CR 1/2 beast
Medium beast, chaotic evil
The shark can pinpoint, by scent, the location of creatures that don't have all of their HP within 60 feet of it and can sense the general direction of such creatures within 1 mile of it.
Whenever the shark takes lightning damage, it must succeed on a DC 11 CON save or be incapacitated until the end of its next turn.
The shark has advantage on attack rolls against a creature if at least one of the shark's allies is within 5 feet of the creature and the ally isn't incapacitated.
The shark can breathe only underwater.
Actions
Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 6 (1d8+2) piercing damage.
Bonus Actions
The shark takes the Hide action.
Source: Black Flag SRD (Kobold Press) · License: Creative Commons Attribution 4.0 details