Oligochaete worm eating

Kuvaus:

[taxonomy:class=Oligochaeta] Date: 9 Sep 2011, originally collected mid-Aug Location: Freshwater fish pond in concrete tank, outside Life Science Lab 7. Walls were covered in filamentous cyanobacteria, and the bottom with fish waste. Water was mostly clear. Pipetted sample from floc at bottom of tube which has settled after > two weeks Microscope: Bright-field with closed condenser aperture. Camera: Nikon D7000 Collector: Brandon Seah Scale: 20830 pixels/mm = 20.8 pixels/µm (40x)