I'd rate this one "black diamond" level for sure.
My Questions
is it alive? 👍
is it an animal? 👍
is it a land animal? 👎
is it a salt water fish? 👍
is it a tropical fish? 👍
is it commonly consumed in America? 👎
is it a common fish in home aquariums? 👎
is it a common fish in public aquariums? 👍
does it have a distinct color? 🤷♂️
is it larger than a bread box? 👎
is it a keystone species? 🤷♂️
is it a character in the movie Finding Nemo? 👍
Is it larger than one foot in length? 👎
does it have unique characteristics that differentiate it from other fish? 👍
is it a clown fish? 👎
is it an angler fish? 👎
is it a deep sea fish? 👎
is it a seahorse? ⭐
Asking about linguistic characteristics of the word is cheating in twenty questions! :) There's a note about this at the end of the "How To" that's linked on the front page.