The term that refers to a group of islands is "archipelago." An archipelago consists of a chain or cluster of islands, often formed through volcanic activity or erosion. In contrast, an isthmus is a narrow strip of land connecting two larger landmasses, and a shoal is a natural underwater ridge or bank.
Archipelago, i looked it up in dictionary.com
The noun shoal (or school) is the collective term for a group of fish.
Though there is no technical term the best way to describe a group of Paua is calling them a Shoal.
The collective nouns for fish are a schoolof fish and a shoal of fish.
The term fishes refers to more than one species of fish, as in "There are many species of fishes." That said you could have any of the combination. School of fish - a group of fish made up of a single species, School of fishes - a group of fishes made up of more than one species. Shoal of fish - group of fish of the same species moving in roughly the same direction. Shoal of fishes - group of fishes of different species moving roughly in the same direction.
A mountain range is a term that refers to a group of mountains that are grouped together as a system.
"Troubling" is the collective term for a group of goldfish but I would normally use the word "group" so that people would understand me.
proscriptive group norms
Culture
The term "pack" refers to a group of 2 or more wolves together. Therefore Wolf Pack refers to a group of wolves. The term pack may also refers to a group of animals, such as dogs or wolves, that run and hunt together.
A range refers to a group of mountains that are grouped together as a system.
above what?