Hydra viridissima Trusted
BioImages - the Virtual Fieldguide (UK)
Hydra oligactis Trusted
© WoRMS for SMEBD
World Register of Marine Species
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Cyndy Parr added an association between "Are jellyfish immortal?" and "Hydra".
8 months ago
Paddy Patterson commented on "Hydra":
Oddly, in biopedia it is 'Hydra' - see http://starcentral.mbl.edu/biopedia/por... more
about 2 years ago
Leo Shapiro commented on "Hydra":
It appears that the first word of this article should be "Hydra", not "Cnidaria".
Chris Ford commented on an older version of Description of Hydra:
Hydra are cool!
about 5 years ago
almost 5 years ago
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