Frank
The scientific or taxonomic name would be Hippoglossus hippoglossus.
halibut
The Atlantic Halibut is native to temperate waters of the northern Atlantic Ocean, where it lives in coastal waters and on the continental shelf down to a depth of 2,000 m.
halibut, blackfish
You say Halibut. Halibut is an English word.
Halibut
Halibut ...
No words in the English language rhyme with "halibut."
Halibut are not invisible so obviously they can be seen.
Yes, the halibut does have fins. It has multiple fins.
Atlantic halibut was created in 1758.
Shotted halibut was created in 1890.