The utricles form in large clusters and are 2 to 6 mm (0.079 to 0.236 in) long and coated in many hairs.

[2] The species is similar to Codium lucasii, which adheres more tightly to rock surfaces.

[1] Mostly situated in calmer waters, from the low tide mark to several metres depth.

[2] The species was first formally described by the botanist William Henry Harvey in 1855 in Some Accounts of the Marine Botany of the Colony of Western Australia, published in the Transactions of the Royal Irish Academy.

[4] The type specimen was collected from King George Sound along the south coast of Western Australia.