Photo credit: ©USGS
- It is found in estuarine habitats, lakes, marine habitats, water courses, and wetlands.
- Description: This species can only be identified using a microscope. When magnified, a unique loop at the end of its tail, as well as a pointed brood pouch which may contain eggs can be seen.
- Please see the Global Invasive Species Database for a more detailed description of this species (http://www.issg.org/database/species/ecology.asp?si=118&fr=1&sts=sss).
Origin and Distribution:
- Originates in the Caspian, Black and Azov seas and small coastal lakes in this area. Considered invasive in Eastern Europe, Baltic Sea, Laurentian Great Lakes and Finger Lakes.
- Occurring in estuaries, lakes, water courses, and wetlands. It is a voracious predator and may compete with other invertebrates and vertebrates. Through this competition, C. pengoi has the potential to affect the abundance and condition of fish and fish larvae; this species also impacts fisheries by clogging nets and fishing gears.
How might it get here?
- The only described vector for this species is ships ballast water.
Is it found in Ireland or Northern Ireland?
- It is not found in Ireland or Northern Ireland.
- Bait or bait water should not be released into water body or transport from one water body to another.
- Good containment measures should be followed to control both the spread of adults and resting eggs, which are capable of surviving desiccation and freezing for periods of several years.
- Report all sightings to CEDaR