You have advantage on ability checks and saving throws made to escape a grapple. Amphimari have slick, smooth skin that makes it difficult for others to hold onto them.

You have resistance to poison damage, and advantage on saving throws against being poisoned.  Amphimari are resistant to toxins and venoms found in both land and water environments.

You can detect the presence of creatures and objects within 30 feet while both are in the same body of water, as long as the water isn't turbulent. Amphimari are highly attuned to vibrations and movements in water.

As a bonus action, you can jump a number of feet equal to five times your proficiency bonus, without provoking opportunity attacks. You can use this trait only if your speed is greater than 0. You can use it a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.

You are a Humanoid.

You are Medium or Small

Your walking and swimming speed is 30 feet.

You can breathe air and water.

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 discern colors in that darkness only as shades of gray.