That's a moray!
Because it involves changing sides halfway through.
Because when they are kids their mothers always tell them: "If you grow up you have to work" *Translated from Italian hope it makes as much sense as there
It's a Moray.
That's a Moray.
Diner at the sushi restaurant: "What kind of eel is this?" Waiter: "Do you love it?" Diner: "yeah" Waiter: "Then, that's a moray"