If the answer to the previous question is no, you may have an introduced small crab, which has not yet been found in Nordic waters, e.g. Hemigrapsus spp., or a juvenile of some other crab species.
You may use data, pictures,information etc. available ad the site, as long as you refere to the sourse.
The database as a whole is to be cited as follows:
NOBANIS. Available from http://www.NOBANIS.org. Data of access x/x/201x