Stylocheilus striatus (Quoy and Gaimard, 1832)


Common in the Solitary Islands Marine Park. Circumtropical distribution throughout the Indo-West Pacific and Atlantic oceans. Recorded from northern Queensland to southern New South Wales on the east coast of Australia.

Ecological Notes: 

Frequents rocky and coral areas, sometimes silt or mud, intertidal to a depth of 30 m.

Additional Notes: 

Sometimes found in large numbers, this species feeds on blue-green algae which forms on rocks or the surface of muddy shores. Dark longitudinal lines and blue eyespots help distinguish this species, which in common with most sea hares, exudes a reddish purple ink if disturbed. Grows to at least 65 mm in length.


Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.55.

Australian Museum, Sea Slug Forum. Accessed 27/09/2018.