World's Largest Freshwater Fish Found in Mekong, Scientists Say - BBC

What a catch! In today's installment of Nature is Weird, we have a two-fer, starting with an inconceivably large (13 feet long, 661 lb) sting ray caught in the Mekong River. After being fitted with an acoustic tag (large specimens of fish being indicators of the river's health), it was released for future tracking. Next, we have an infinitely Strange, 26-Foot-Long, Giant Sea Worm Found By Divers swimming off the coast of New Zealand. Known as a Pyrosome, this free-floating worm-shaped object is actually a colony of hundreds of thousands of zooids. (Zooids are multicellular animals that make up a colonial animal.) So it's essentially harmless, although it might leave you heading for the surface as fast as your flippers can propel you. (CM)

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from THE ANOMALIST https://bbc.in/3HLCBg5