Possibly common in the Solitary Islands Marine Park. Distributed throughout the Indo-Pacific region. In Australia recorded from the Timor Sea and the Great Barrier Reef in Queensland, south to northern New South Wales.
Occupies a variety of empty shells and frequents branching corals such as Acropora and Pocillopora.
A small species, the body is speckled with orange coloured pits, and the dactyls of the second and third pereiopods are orange. The eye stalks are white to pale orange, with a black eye. Carapace length from 3 to 8 mm and total length to around 25 mm.
Reef Creature Identification, Tropical Pacific. Paul Humann, Ned DeLoach, New World Publications Inc, Jacksonville, Florida, USA, 2012 edition. p.160.
Poupin J. and M. Juncker, 2010 – A guide to the decapod crustaceans of the South Pacific. Published by CRISP and SPC, Noumea, New Caledonia, 320 pp., 366 photographs. Pp.294-5.
Atlas of Living Australia website at https://bie.ala.org.au/search?q=calcinus+minutus. Accessed 12/11/2018.