Your constitution increases by 2 and wisdom by 1 

Coralfolk live indefinitely until killed by unnatural causes. Coralfolk reaches adulthood in their late teens. Coralfolk age at the same rate as humans.   

Coralfolk lean towards a chaotic alignment.   

Coralfolk are around 5 to 7 feet. Your size is medium.

Your base walking speed is 30ft. You also have a swim speed of 20ft.

You can breathe air and water.

If you fail to immerse yourself in water for at least 1 hour during a day, you suffer 1 level of exhaustion at the end of that day. You can recover from this exhaustion only by immersing yourself in water for at least 1 hour.

You gain proficiency with the intimidation skill. In addition at 3rd level, you are so scary that you can target one creature you can see that can see you, that target has to make a DC wisdom saving throw (8 + proficiency + Cha modifier) or become Frightened. You regain this ability after a long rest.   

Whenever you make a melee attack underwater with anything but a dagger, javelin, shortsword, spear, or trident, you don't have disadvantage on the attack roll. In addition, whenever you are underwater you have immunity to fire damage. 

You gain proficiency with spears, tridents, nets, and if your DM allows it firearms.   

You can speak read and write Common and Aquan.