Decapodians are very hearty due to their rough living. Your Constitution score increases by 2 and your strength score increases by 1.

You are a Monstrosity.

Decapodians are considered adults by their late teens and can live for around 300 years. After which they get to heavy to support themselves and die.

Decapodians can take nearly any path in life that they feel suits them, though most tend to be neutral.

Decapodians usually stand at about 6-8 feet. Your size is Medium.

Not really made to live on land your base walking speed is 25 feet and a swimming speed of 30 feet.

You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift.

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

You can breathe air and water.

You have a thick carapace you when aren't wearing armor, your AC is 12 + your Constitution 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 an additional set of arms, which end in large pincers. Your pincers are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal your choice of slashing or bludgeoning damage equal to 1d6 + your Strength modifier. These claws can't precisely manipulate anything and can't wield weapons, magic items, or other specialized equipment. Additionally you gain advantage on checks made to grapple or hold grapples with these pincers.

When you have a creature grappled with your pincers you can make an unarmed strike with the same claw you are grappling with. If you hit with it, you deal slashing or bludgeoning damage equal to 1d8 + your Strength modifier, instead of bludgeoning damage normal for an unarmed strike.

You have advantage on saving throws against being knocked prone.