Species (9)

• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Hydra

  Hydra digatilis

  find out more
• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Hydra

  Hydra grisea Linne 1767

  find out more
• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Hydra

  Hydra viridis Linne 1767

  find out more
• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Hydra

  Hydra fusca Linne 1767

  find out more
• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Hydra

  Hydra attenuata

  find out more
• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Hydra

  Hydra vulgaris Pallas 1766

  find out more
• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Chlorohydra

  Chlorohydra viridissima

  find out more
• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Hydra

  Hydra umbellaria Linnaeus 1758

  find out more
• 

  Metazoa Cnidaria Hydrozoa Hydroida Hydridae Hydra

  Hydra digitalis Linnaeus 1758

  find out more