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Lake Profile


General Information

Description Lake Richmond, in Western Australia, is one of the few lakes in the world containing thrombolites, critically endangered microbial structures. The thrombolite-building microorganisms resemble the earliest forms of life on Earth. These organisms were the only known form of life on Earth from 3.5 billion to 650 million years ago. They dominated the clear, shallow seas of the period.

Thrombolites are also present in Kelly Lake (British Columbia, Canada) and Lakes Cooloongup, Walyungup and Clifton in Australia.

Country Australia

Physical Characteristics

Type Permanent


Economic Value
Major Cities

Watershed Management

Issues A major threat to these ‘living rocks’ is the irreversible physical damage done by curious visitors eager to observe them up close.

Biodiversity Conservation

Description Setting up underwater cameras linked to a nearby Environment Centre has enabled members of the community to directly observe the thrombolites and other aquatic life forms of the lake without disturbing the environment. The project has developed valuable partnerships with environmental groups, industry and government agencies, while providing valuable ongoing educational and research opportunities.
Species of Concern


Naragebup - Rockingham Regional Environmental Centre (Inc)

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