Australian scientists aboard the icebreaker ship RSV Nuyina uncovered a host of unique marine creatures during a 60-day expedition near the Denman Glacier in East Antarctica.

These include pink sea pigs, giant sea spiders ... Researchers even found a sea butterfly that looked like it was flying underwater. The tiny snail, nicknamed Clio, laid eggs onboard.

Australian Antarctic Division Aside from the “sea butterfly,” researchers also ... and they are often pink in color, according to the Monterey Bay Aquarium. “The sea pig spends its days ...