Periclimenes imperator

{{Merge to|Zenopontonia rex|discuss=Talk:Zenopontonia rex#Merge proposal|date=June 2025}}

{{Short description|Species of crustacean}}

{{Speciesbox

| image = Periclimenes imperator (Emperor shrimp) on Bohadschia argus (Sea cucumber).jpg

| image_caption = Periclimenes imperator on the sea cucumber Bohadschia argus

| taxon = Periclimenes imperator

| authority = Bruce, 1967

}}

File:Emperor Shrimp (Periclimenes imperator).png

File:海参上的帝王虾.jpg

Periclimenes imperator, known as the emperor shrimp, is a species of shrimp with a wide distribution across the Indo-Pacific.{{cite WoRMS |author=Sammy De Grave |year=2010 |title=Periclimenes imperator Bruce, 1967b |id=210576 |accessdate=November 28, 2010}} It lives commensally on a number of hosts, including the sea slug Hexabranchus.{{cite journal |title=Notes on the behavior of Periclimenes imperator Bruce, an ectocommensal on the dorid nudibranch Hexabranchus marginatus Quoy & Gaimard (Decapoda, Palaemonidae) |author=John B. Shoup |journal=Crustaceana |volume=23 |issue=1 |year=1972 |pages=109–111 |jstor=20101910 |doi=10.1163/156854072X00101}} A. J. Bruce first described it in 1967 based on eight specimens ranging from {{convert|4|mm}} to {{convert|7.6|mm}}.{{cite journal |author=A. J. Bruce |year=1967 |title=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 |journal=Zoologische Verhandelingen |volume=87 |pages=1–73 |url=http://www.repository.naturalis.nl/document/148937 |format=PDF}} Periclimenes Imperator is now considered a junior synonym of Zenopontonia Rex.

Periclimenes imperator lives in water up to {{convert|45|m}} in depth,{{cite web |title=Periclimenes imperator A. J. Bruce, 1967; emperor shrimp |publisher=Encyclopedia of Life |url=http://eol.org/pages/1024747/details |access-date=January 19, 2012}} and can grow to a length of {{convert|1.9|cm}}.{{cite web |title=BlueZoo |url=http://www.bluezooaquatics.com/productdetail.asp?cid=84&pid=1959&did=2 |access-date=January 19, 2012}}