[2] Lauriea siagiani is a small squat lobster, up to 7 millimetres (0.28 in) long.

It differs from the only other species in the genus, Lauriea gardineri by a number of features, but most obviously by the coloration: L. gardineri is pale brown with darker bands, while L. siagiani is orange or pink with red or purplish markings.

[1] Lauriea siagiani is found around the giant sponge Xestospongia testudinaria, and has been recorded from Indonesia, the Philippines and Japan.

[3] Lauriea siagiani was described in 1994 by Keiji Baba; the specific epithet commemorates Wilhelm Siagian, who collected the type material.

[1] The species had been previously illustrated by the photographer Roger Steene (as "Galathea sp.