Fish.
The word 'shoal' is believed to have come from Middle Dutch schole (a group of fish or other animals).In English, the noun 'shoal' is a standard collective noun for a shoal of fish.
shoal
Shoal (Pronounced School)
A group of sharks is called a "school" or a "shoal."
shoal is a group of fish so it is a fish
A drove is a group of animals moving in a herd or flock together. It commonly refers to a group of cattle or swine being driven in one direction by a person or dogs.
The noun 'shoal' is a singular, common, concrete noun; a word for a large group of fish; a word for an area of shallow water, especially as a hazard to navigation; a word for a thing. The noun 'shoal' also functions as a collective noun for a 'shoal of fish'.
The noun shoal (or school) is the collective term for a group of fish.
Shoal or school.
A shoal
If you mean - make a sentence with the word shoal, then: "The waves crashed on the shoal" Or it can refer to a group of fish as in "a shoal of tuna"