Lizardfolk

ability score increase: Choose one of: (a) Choose any +2; choose any other +1 (b) Choose any +1; choose any other +1; choose any other +1

age: Lizardfolk reach maturity around age 14 and rarely live longer than 60 years.

Size: Medium

speed: 30 feet

Languages: Two languages of your choice

race features:
Speed. Your walking speed is 30 feet, and you have a swimming speed equal to your walking speed.
Bite. You have a fanged maw that you can use to make unarmed strikes. When you hit with it, the strike deals 1d6 + your Strength modifier slashing damage, instead of the bludgeoning damage normal for an unarmed strike.
Hold Breath. You can hold your breath for up to 15 minutes at a time.
Hungry Jaws. You can throw yourself into a feeding frenzy. As a bonus action, you can make a special attack with your Bite. If the attack hits, it deals its normal damage, and you gain temporary hit points equal to your proficiency bonus. You can use this trait a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.
Natural Armor. You have tough, scaly skin. When you aren't wearing armor, your base AC is 13 + Dexterity modifier. You can use your natural armor to determine your AC if the armor you wear would leave you with a lower AC. A shield's benefits apply as normal while you use your natural armor. Nature's Intuition. Thanks to your mystical connection to nature, you gain proficiency with two of the following skills of your choice: Animal Handling, Medicine, Nature, Perception, Stealth, or Survival.