description Chameleon Shrimp Overview
The chameleon shrimp (Hippolyte varians) is a small marine crustacean distinguished by its remarkable ability to change its body coloration to camouflage perfectly with seaweed.
help Chameleon Shrimp FAQ
What is the scientific name of the chameleon shrimp?
The chameleon shrimp is Hippolyte varians, a small marine prawn in the family Hippolytidae. It is found around the coasts of Britain and Ireland and can reach roughly 3 cm. [Northern Ireland species account](https://www2.habitas.org.uk/marbiop-ni/species.php?item=S22710)
How does Hippolyte varians change color?
Its color can shift to improve camouflage against seaweed, with green and red forms matching backgrounds such as sea lettuce, Ulva lactuca, and red dulse, Palmaria palmata. In experiments, the change unfolded over days to weeks and was tracked for 30 days. [Scientific study](https://pmc.ncbi.nlm.nih.gov/articles/PMC6588621/)
Where does the chameleon shrimp live?
It is usually found in shallow marine habitats, especially rock pools and algae beds in the intertidal zone. Marine species accounts also report it from the lower shore down to around 150 m. [Northern Ireland species account](https://www2.habitas.org.uk/marbiop-ni/species.php?item=S22710)
What does the chameleon shrimp eat?
Hippolyte varians feeds on attached algae and organic debris while living among seaweed and seagrass. The camouflage study specifically worked with sea lettuce and red dulse, which provide both a background and a feeding surface. [Taiwan Marine National Park account](https://www.marine.gov.tw/en/eco/latest/MarineKnowledge/New-Taiwan-Hippolyte-Species-Has-Been-Discovered-in-Dongsha-Atoll-National-Park-4613733)
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