Zooxanthellae and nematocyst of Aiptaisia sp. @ 1200x DIC

Single nematocyst @ 1200x magnification, DIC:

Red flatworm (marine) @ 800x IIRC

Red flatworm (marine) @ 400x IIRC

Unknown organism, fresh water, 800x

Unknown organism, fresh water, 800x

Freshwater diatom (?), 800x

Freshwater diatom, 800x
