((I just thought . . . a ponder, really. How on earth do they talk to one another? :XD Perhaps it's more of a mental thing, and they can really talk above the water, yes?? :P))

Ari'yal grabbed a bag from under her bed, carefully storing her new trinket inside of it. "Come with me," she said, gently grabbing Yokai's hand in hers.
The trove that she spoke of was about a mile out from the city, beneath a pile of coral and loose boulders. Dangerous, yet that was what made the young mermaid enjoy it so much. Ari'yal let out a mental "squee" of excitement, urging her friend to follow her into the hole that led into the cluttered trove. "Look at all this!" she mentally said. "I've been collecting this for a few months, and already there's so much!"