They stood on black rocks just above the water. She said, "Lovely, isn't it? Pristine."
"Nice not to have to wear the suit for once."
She dipped a long, articulated toe into the water. "I don't mind the suit, usually."
"Rubs my ridges the wrong way, that's all. Too binding."
She sighed. "Well, go ahead."
He bent down, opened the sample container, and poured its contents into the tide pool. "There. Come back in a hundred million years, this place'll be bursting at the seams."
She laughed and said, "I'll mark it on my calendar. If I'm not already busy."