Distribution: Rare in the Solitary Islands Marine Park. Indigenous to Australia, recorded from the North West Shelf region of Western Australia and central Queensland south to northern New South Wales.

Ecological Notes: Frequents encrusting fauna and algae on coral and rocky reefs. Specimen pictured at a depth of 25 m.

Additional Notes: Small, almost equilateral triangle shape and long spindly legs. Grows to 15 mm across base of body.

References: Davie, Peter. Wild Guide to Moreton Bay and Adjacent Coasts. Second Edition. Published by Queensland Museum. Vol 2, p. 226.

Atlas of Living Australia website at https://bie.ala.org.au//search?q=Trigonoplax+spathulifera. Accessed 15/11/2018.