Willem Kolvoort Onderwaterfotografie

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Cnidaria

Brackish water hydroid ( Cordylophora lacustris )
Brackish water hydroid ( Cordylophora lacustris )
Freshwater jellyfish ( Craspedacusta sowerbyi )
Freshwater jellyfish ( Craspedacusta sowerbyi )
Hydra ( Hydra fusca )
Hydra ( Hydra fusca ) on young leaf of the Water-lily
Brackish water hydroid ( Cordylophora lacustris )
Hydra ( Hydra fusca )
Hydra ( Hydra fusca )
Hydra ( Hydra fusca )