You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.

You can hold your breath longer than the next creature., meaning that you can hold your breath for 15 minutes.

You are proficient in the Stealth skill. In addition, your proficiency bonus is doubled for any Dexterity (Stealth) check you make underwater.

You have tough, scaly skin. When you aren't wearing armor, your AC is equal to 11 + your 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.

You have sharp claws for tearing through flesh. You have claws that count as natural weapons and deal 1d4 slashing damage + your Strength modifier.

Range: 5 ft.

(Light melee weapon)

You possess a powerful jaw. Capable of holding most prey in place. Bite to attack and deal 2d4 points of damage plus half its Strength modifier. 

If you have something grabbed with your jaws in water. You may spin to deal 1d6 worth of damage.

You can dash as a bonus action before an attack once per round. However, you will gain a disadvantage on the attack in the same turn.

You have been trained in the art of crocodilian. You gain proficiency in Hooks and Bladed Shields.