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#4472 · 🦀 crabs & other crustaceans

Chameleon Shrimp

🇳🇱 Geknikte aasgarnaal ·Praunus flexuosus

🦀 Crabs & other crustaceans 📍 in the Netherlands
Chameleon Shrimp, photo 1 of 9
1/9 © Alex Shure · CC BY-NC 4.0

what is it?

Praunus flexuosus , known as the chameleon shrimp , is a species of opossum shrimp found in European waters. 0 in) long, with a distinctly bent body, and closely resembles Praunus neglectus . It lives in shallow water and tolerates a wide range of salinities. It is found from northern France to the Baltic Sea, and was introduced to North America in the mid 20th century.

base stats

  • NL sightings 22iNaturalist, research grade
  • worldwide 540iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 22 times in the Netherlands on iNaturalist: the #37 most seen of the crabs & other crustaceans in NL.
  • 540 observations worldwide on iNaturalist.
  • Scientifically named by Otto Friedrich Müller in 1776 (250 years ago).

fact sheet

English
Chameleon Shrimp
Nederlands
Geknikte aasgarnaal
scientific name
Praunus flexuosus
class
Malacostraca
order
Mysida
family
Mysidae
sightings in NL
22
sightings in Europe
113
sightings worldwide
540
GBIF records in NL
1,040
weight
—
length
—
lifespan
—
named
1776 by Otto Friedrich Müller

Sources: iNaturalist taxon 203480, Wikidata Q3858286, GBIF 2220799, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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