Lots of hydrae

Lots of hydrae: Lots of hydrae sitting on a small twig at about 20 meters depth. — Nikon D200, Nikkor AF Micro 60mm, 2x Sea&Sea YS-110α, Lake Lucerne, Riedsort, 25 August 2013. Nikon D200, 1/250 s, F/22.0, 60 mm, ISO 200, Sunday, August 25, 2013 19:07:07