Volvox colony, light micrograph
Euastrum desmid, light micrograph
Green alga, light micrograph
Lepadella sp. rotifer, light micrograph
Spirulina sp. cyanobacteria, light micrograph
Diatoms, light micrograph
Haematococcus alga, light micrograph
Spirogyra algae, light micrograph
Micrasterias desmid, light micrograph
Micrasterias desmids, light micrograph
Xanthidium desmids, light micrograph
Desmids, light micrograph
Cosmarium desmids, light micrograph
Green algae, light micrograph
Euastrum desmids, light micrograph
Netrium desmids, light micrograph
Ciliate protozoan, light micrograph
Diatom, light micrograph
Pennate diatom, light micrograph
Volvox green algae, light micrograph
Melosira sp diatoms, light micrograph
Pleurosigma sp diatoms, light micrograph
Pleurosigma sp diatom, light micrograph
Microsterias green alga, light micrograph
Tabellaria flocculosa diatom, light micrograph
Aulacoseira granulata diatom, light micrograph
Haematococcus sp. algae, light micrograph
Actinoptychus splendens diatoms, light micrograph
Cosmarium amoenum algae, light micrograph
Worm feeding on algae, light micrograph
Three species of diatoms, light micrograph
Green alga and diatoms, light micrograph
Monoraphidium griffithii cf. algae, light micrograph
Synura petersenii f. kufferathii algae, light micrograph
Fragilaria crotonensis diatom, light micrograph
Spirulina cyanobacteria, light micrograph
Volvox sp, light micrograph
Pediastrum green algae, light micrograph
Copepod larva, light micrograph
Vorticella protozoa, light micrograph
Silicoflagellates, light micrograph
Stigonema mammilosum cyanobacteria, light micrograph
Cyanocohniella crotaloides cyanobacteria, light micrograph
Kellicottia longispina rotifer, light micrograph
Dolichospermum sp. cyanobacteria, light micrograph
Nassula sp. protozoa, light micrograph
Ophiocytium sp. algae, light micrograph
Aphanizomenon flos-aquae cyanobacteria, light micrograph
Desmid, light micrograph
Bambusina desmids, light micrograph
Netrium desmid, light micrograph
Cosmarium sportella green algae, light micrograph
Oscillatoria cyanobacteria
Vorticella protozoan, light micrograph
Uroleptopsis protozoan, light micrograph
Rotifer, light micrograph
Loxophyllum ciliate, light micrograph
Philodina rotifer, light micrograph
Thermophilic bacteria, light micrograph
Kerona protozoan, light micrograph
Hypotrich protozoan, light micrograph
Algal cysts, light micrograph
Nauplius, light micrograph
Cyanobacteria, light micrograph
Testate amoeba, light micrograph
Red alga, light micrograph
Stentor protozoan, light micrograph
Mycobacterium marinum bacteria, light micrograph
Stentor ciliate protozoa light micrograph
Bdelloid sp. rotifer, light micrograph
Monostyla sp. rotifer, light micrograph
Oscillatoria sp. cyanobacteria, light micrograph
Vorticella sp. protozoa, light micrograph
Ceratium sp. dinoflagellates, light micrograph
Brachionus sp. rotifer, light micrograph
Scytonema hyalinum cyanobacteria, light micrograph
Peridinium sp. Dinoflagellate, light micrograph
Paramecium ciliate protozoa, light micrograph
Porphyridium sp. red algae, light micrograph
Haematococcus sp. green algae, light micrograph
Algae from Rio Tinto, Spain