a shark
The noun 'shark' is a singular, common, concrete noun; a word for a thing, a living thing.
Every living thing !
the human being can
whale shark
whale shark
The goblin shark
The whale shark
the most frightning thing about a shark it is teeth
There is no such thing as a monster shark.
There are at least 370 different species of shark and scientists say there are yet more to be found , there for there is no such thing as a typical shark.
A competitive relationship is when two different animal species are fighting for the same services of the environment.