The Free Online Aquaculture Dictionary

Sizes of commonly cultured algae

Type Name Cell diameter (microns) Ease of culture (1-3, where 1 = easy). Where no value is given no information is available
Diatoms Skeletonema costatum  6.0 1
Chaetoceros calcitrans 2.5 3
Chaetoceros gracilis 6.0 -
Phaeodactylum tricornutum 5.0 -
Thalassiosira pseudonana 5.5 1
Flagellates Chlamydomonas coccoides 7.0 -
Nannochloris occulata 2.0 -
Dunaliella tertiolecta 6.5 -
Chroomonas salina 7.0 -
Tetraselmis suecica 8.5 1
Pyramimonas virginica 4.0 -
Isochrysis galbana or T.ISO 5.0 3
Monochrysis lutheri 4.0 3
Pseudoisochrysis paradoxa 5.0 3