Aqualyrians are medium-sized creatures.

Your base walking speed is 30 feet. You also have a swimming speed of 40 feet.

You can see in dim light within 60 feet of yourself 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 survive both on land and in water equally well. You don't suffer any penalties or disadvantages for using weapons or abilities while underwater.

You have proficiency in the Athletics skill when making swimming-related checks.

Your exoskeleton provides a natural armor, granting you an AC of 13 + your Dexterity modifier when not wearing armor.

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

Your Dexterity score increases by 2, and your Constitution score increases by 1.