Bruce, 1967 : 53 Li, 2000 : 192 De Grave, 2000 : 136 Debelius, 2001 : 163 Li and Bruce, 2006 : 694 Li et al. , 2007 : 279 Poupin and Juncker, 2010 : 282 Report on some caridean shrimps (Crustacea: Decapoda) from Mayotte, southwest Indian Ocean Li, Xinzheng Cleva, Régis Poupin, Joseph Zootaxa 2012 3162 1 30  Li and Bruce, 2006 : 694 7af70ed3-4434-44cc-86ca-51fe74e1d38d Bruce, 1967 Bruce 1967 [151,588,885,911] Malacostraca Palaemonidae Periclimenes Animalia Decapoda 21 22 Arthropoda species imperator     Periclimenes imperator  Bruce, 1967: 53, figs. 23–25; 2006: 21; 2007: 123. —  Li, 2000: 192, fig. 243. —   DeGrave, 2000: 136. —  Debelius, 2001: 163, 187, 261, 288, unnumbered photos. —  Li and Bruce, 2006: 694. — Marin and Savinkin, 2007: fig. 93C, D (colour). —  Li et al., 2007: 279, fig. 140. —  Poupin and Juncker, 2010: 282, unnumbered photo.   Material examined.St 12, 06/11/2009, 19h–22h, La Prévoyante reef, 12°41'34.70"S, 45° 9'59.99"E, coll. KUW fieldwork, scuba diving 6–11 m, coral grounds at night, on sea cucumber, probably  Thelenota anax, 1 male(LC 1.5 mm), 1 female(LC 2.2 mm, LT 12.2 mm), MNHN-Na 17062.  Colouration(fig. 14). Colouration of the specimen agrees well with Debelius (2001)and Poupin and Juncker (2010), with body covered with dense white marks; a big orange stripe extending from posterolateral half of carapace to sixth abdominal pleuron, an arc orange stripe on anterolateral carapace; cornea, basal of pleopods, and merus of second pereiopods orange, distal merus, basal carpus and distal chela of second pereiopods, and distal antennal scales purple to blue, ambulatory pereiopods purple to blue.   Distribution. Typelocality Zanzibar. Also known from Egypt, Israel, Jordan, Kenya, Mozambique, Comoro Islands, Madagascar, Seychelles, Japan, Indonesia, Australia(Western Australia, Queensland), Caroline Islands, New Caledonia, and Hawaii.   Remarks.The specimens agree well with the previous descriptions and illustrations. The species was not previously recorded from Mayottewith certainty. The female specimen of MNHN-Na 17062 was found associated with a sea cucumber, probably  Thelenota anax(fig. 14C).