Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
Changing Seas
Cryptic Critters
Season 10
Episode 1002
Deep underwater, on a shipwreck near Key West, lives a tiny potential new threat. Being in the right place at the right time, one expert spotted it and immediately knew that it didn’t belong. Researchers want to know where this new species came from, and whether its sudden appearance spells disaster for the delicate coral reef ecosystem in the Florida Keys.
Support Provided By
Unlock with PBS Passport
26:53
Scientists study what makes certain corals more resilient than others.
Unlock with PBS Passport
26:42
Scientists study the devastating impacts of the Deepwater Horizon oil rig disaster.
Unlock with PBS Passport
26:42
Discover the Cordell Bank, a magical underwater island few people have ever heard of.
Unlock with PBS Passport
26:42
Scientists study tarpon, bonefish and permit to better understand their behaviors.
Unlock with PBS Passport
26:43
Modern technology is making it possible to correlate dolphin sounds and behavior.
Unlock with PBS Passport
27:13
Scientists experimant to see if giant manta rays are impacted negatively by microplastics.