Identification key: Hydrozoa

Polyp solitary, max. 1-2 mm, tentacles in one circle; medusa buds, if present, large?

Yes No

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The database as a whole is to be cited as follows:

NOBANIS. Available from http://www.NOBANIS.org. Data of access x/x/201x

Front page photo: Trachemys scripta elegans by Henrik Bringsøe