Taken by: Sven Tramaux

Hydras are small fresh water predatory, from 1 mm to 20 m...
Hydras are small fresh water predatory, from 1 mm to 20 m... by Sven Tramaux
VOTES: 17
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Posted: Monday, January 12, 2009- (1/12/2009 10:47:00 AM)
Category: Macro - not swimming
location: Switzerland