race features:
Acid Resistance. You have resistance to acid damage.
Amphibious. You can breathe air and water.
Swim. You have a swimming speed of 30 feet.
Call to the Wave. You know the Shape Water cantrip. When you reach 3rd level, you can cast the Create or Destroy Water spell as a 2nd-level spell once with this trait, and you regain the ability to cast it this way when you finish a long rest. Constitution is your spellcasting ability for these spells.