<i>Dinobryon</i> sp. / from Shishitsuka Pond, Tsuchiura, Ibaraki Pref., Japan / Microscope:Leica DMRD (DIC)
ja:User:NEON / commons:User:NEON_ja
CC BY-SA 2.5
<span class="int-own-work" lang="en">Own work</span>