What is the collective nouns for corals?

There isn't a widely accepted single collective noun for corals. However, here are some options you can consider, depending on the context:

Formal/Scientific:

* Colony: This is the most accurate term, as corals live in interconnected colonies of polyps.

* Reef: This refers to a large, interconnected structure formed by many coral colonies.

Informal/Descriptive:

* Garden: This emphasizes the beauty and diversity of corals.

* Forest: This highlights the density and complexity of a coral reef.

* City: This implies the bustling and interconnected nature of a coral community.

Ultimately, the best collective noun will depend on the specific context of your writing or speech.