I believe from my brief knowledge that this is a saltwater fish?
Jellyfish have roamed the seas for at least 500 million years, and possibly 700 million years or more, making them the oldest multi-organ animal !!
What Who Did
Break a sponge in half, and two grow. More than a colony, less vulnerable than a tissue-based creature. Human societies could learn a lesson from the lowly sponge. Tube Sponge (Aplysina fistularis).
Bottlenose Dolphin - Everyone's Favorite Smiling Marine Mammal
sea lion close-up
There is a special extra organ in her body and this is what it looks like, in mother of pearl///Petit Cabinet de Curiosites
To Roam Free you, Need to be a star #roamfree More
Young Okinawan Sea Turtle (by Pete Leong)
dolphins, hopefully in the wild