Periclimenes imperator

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Periclimenes imperator
Periclimenes imperator (Emperor shrimp) on Bohadschia argus (Sea cucumber).jpg
Periclimenes imperator on the sea cucumber Bohadschia argus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Caridea
Family: Palaemonidae
Genus: Periclimenes
Species: P. imperator
Binomial name
Periclimenes imperator
A. J. Bruce, 1967
Emperor Shrimp (Periclimenes imperator) with a Ceratosoma Tenue nudibranch as its commensal host

Periclimenes imperator, known as the emperor shrimp, is a species of shrimp with a wide distribution across the Indo-Pacific.[1] It lives commensally on a number of hosts, including the sea slug Hexabranchus.[2] A. J. Bruce first described it in 1967 based on eight specimens ranging from 4 millimetres (0.16 in) to 7.6 millimetres (0.30 in), and found Periclimenes rex to be its best resemblance.[3]

Periclimenes imperator lives in water up to 45 metres (148 ft) in depth,[4] and can grow to a length of 1.9 centimetres (0.75 in).[5]


  1. ^ Sammy De Grave (2010). "Periclimenes imperator Bruce, 1967b". World Register of Marine Species. Retrieved November 28, 2010. 
  2. ^ John B. Shoup (1972). "Notes on the behavior of Periclimenes imperator Bruce, an ectocommensal on the dorid nudibranch Hexabranchus marginatus Quoy & Gaimard (Decapoda, Palaemonidae)". Crustaceana. 23 (1): 109–111. doi:10.1163/156854072X00101. JSTOR 20101910. 
  3. ^ A. J. Bruce (1967). "Notes on some Indo-Pacific Pontoniinae III-IX. Descriptions of some new genera and species from the western Indian Ocean and the South China Sea" (PDF). Zoologische Verhandelingen. 87: 1–73. 
  4. ^ "Periclimenes imperator A. J. Bruce, 1967; emperor shrimp". Encyclopedia of Life. Retrieved January 19, 2012. 
  5. ^ "BlueZoo". Retrieved January 19, 2012. 

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