Skip to main content
nl
en
search
Hoofdnavigatie
PROJECT
SPECIES
POLICY
CONTACT
Hoofdnavigatie
PROJECT
SPECIES
POLICY
CONTACT
N
ON-INDIGENOUS SPECIES IN THE
B
ELGIUM PART OF
THE
N
ORTH
S
EA AND THE
S
CHELDT-
E
STUARY
Rotifers
Hoofdnavigatie
PROJECT
SPECIES
Summarised facts and figures
Full species list
Species Groups
Algae and weeds
Single-celled organisms
Arhtropods
Bryozoans
Cnidaria
Rotifers
Ctenophores
Sponges
Vascular plants
Fish
Molluscs
Worms
Ascidians
Areas of origin
Introduction pathways
POLICY
CONTACT
edit
1
/
1
records
Cosmopolite (tropics)
1971 - 1980
Shipping (ballast water)
Canals
Natural spread (secundary)
Keratella tropica