Traits
Blood Frenzy
The sahuagin has advantage on melee attack rolls against any creature that doesn't have all its hit points.
Limited Amphibiousness
The sahuagin can breathe air and water, but it needs to be submerged at least once every 4 hours to avoid suffocating.
Shark Telepathy
The sahuagin can magically command any shark within 120 feet of it, using a limited telepathy.
Actions
Multiattack
The sahuagin makes three attacks: one with his bite and two with his claws or trident.
Bite
Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (2d4 + 4) piercing damage.
Claws
Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.
Trident
Attack: +7 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 11 (2d6 + 4) piercing damage, or 13 (2d8 + 4) piercing damage if used with two hands to make a melee attack.