Caulerpa parvifolia

Caulerpa parvifolia is a species of seaweed in the Caulerpaceae family.

The seaweed has a thallus that is grass-green to olive green in colour and spreads outward to 10 to 20 cm.

The species is found on sand and rock in the subtidal region in tropical and warmer seas. In Western Australia, it is found along the coast in the Pilbara and as far south as Cape Naturaliste in the South West region it is also found in the Pacific and Indian Oceans.