Your Strength score increases by 2 and your Constitution score increases by 1.

Sharkei reach maturity around age 15 and can live up to 200 years.

Mako Sharkei can grow to be between 4 to 6 feet tall and weigh up to 140 to 270 lbs. Your size is Medium or Small.

Your base walking speed is 30 feet, and you have a swimming speed of 35 feet.

You can breathe air and water.

Your tooth filled maw is a natural weapon, you can use it to make an unarmed strike. If you hit with it, you deal piercing damage equal to 1d6 + your Strength modifier, instead of the bludgeoning damage normal for an unarmed strike.

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.

When you damage an injured creature with a melee attack and the creature has blood, you can cause the attack to deal extra damage to the creature. The extra damage equals twice your proficiency bonus.

You can use this trait a number of times equal to your proficiency bonus, regaining all expended uses when you finish a long rest, and you can use it no more than once per turn.

Adapted to even the most extreme ocean depths, you have resistance to cold damage.

You can speak, read, and write Common and Aquan.

Your swimming agility allows you to move with a burst of speed. You can use a bonus action to disengage. Additionally, when you move on your turn in combat, you can double your swimming speed until the end of the turn, once you double your speed, you can't use it again until you move 0 feet on one of your turns.

When you use the Attack action, you can make one bite attack as a bonus action.