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Neritic Zone

Coral Reef Types Deep

The major coral reef types - fringing, barrier, atoll - each with distinct geological history and biological communities.

Depth: 0-40m Light: Sunlight

📖 Overview

Fringing reefs grow directly off shorelines. Barrier reefs sit further offshore, separated by lagoons (Great Barrier Reef). Atolls are ring-shaped reefs surrounding lagoons where former volcanic islands have subsided (the Maldives, French Polynesia). Each type hosts distinct fish assemblages.