Imagine this: You’re in the middle of the Gulf of Mexico with a big fish on the line. But suddenly, you’re surrounded by whale sharks, the biggest fish in the world. What do you do?! If you’re a scientist, you get curious. Marine biologist Rafael de la Parra tells us how and why he got a headcount of the biggest whale shark party ever seen. We adopted a whale shark! Send your suggestions for MXA-130’s new name to tumblepodcast@gmail.com. Check out our blog to see photos of her, find out about her favorite hangs and hobbies, and learn how to adopt your own whale shark (with none of the hassle of living with one), at sciencepodcastforkids.com. Want an ad-free version of Tumble? It’s only $1 each month. Pledge on Patreon to get access to this special podcast feed, including Marshall’s original music. Don’t forget to share the magic of podcasts with someone you know. Tell us what you suggested by tagging @tumblecast on Twitter, and use the hashtag TRYPOD. For more kids podcasts, check out kidslisten.org/members. Let us know how you use Tumble. Send us your questions and drawings! Don’t forget to subscribe and leave us a review on iTunes or Stitcher. Thanks for listening!