| Palaemon varians | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Crustacea |
| Class: | Malacostraca |
| Order: | Decapoda |
| Infraorder: | Caridea |
| Family: | Palaemonidae |
| Genus: | Palaemon |
| Species: | P. varians |
| Binomial name | |
|
Palaemon varians (Leach, 1814) |
|
Palaemon varians, known as the common ditch shrimp, river shrimp or Atlantic ditch shrimp, is a shrimp found from the Baltic Sea and the British Isles to the western Mediterranean Sea. It reaches up to 5 cm (2.0 in) in length and is never found in fully marine conditions, instead living in brackish water.