A few months ago, on a trip to Hawaii, Short Wave host Emily Kwong encountered manta rays for the first time. The experience was eerie and enchanting. And it left Emily wondering what more is there to these intelligent, entrancing fish? Today, Emily poses all her questions to Rachel Graham, the founder and executive director of MarAlliance, a marine conservation organization working in tropical seas.Have you been completely captivated by an animal too? Share your story with us at shortwave@npr.org.