The hide of the Carcharons is quite tough and resilient, providing for a natural armor. Because who wears armor while swimming.

Charcaron's are born aquatic, thus able to swim really well.

Charcaron's can breathe in water and on land.

Charcaron's are a barbaric race. Giving an advantage on intimidation checks. Along with added proficiency to unarmed strikes.

Drunk with the smell of blood in the air. Charcarons are able to deal additional damage to already damaged foes. Dealing an additional 1d8, every five levels add +2 damage.

Once per short rest, Charcarons can roll an intimidation check to imbue those around them with fear. Those the Charcaron wishes to frighten must roll a contested intimidation check. At level 15, the opponents must roll their checks with disadvantage, and at level 20 they automatically fail. On a pass, those the Charcaron chooses are applied with the frightened condition.