Rhizosolenia setigera

Click on image to view photo information.

Taxonomic Group:Diatom
Trophic Status:Autotrophic
Size Range:7.6-25 μm wide (LUMCON Guide); 4-20 μm wide (Cupp 1943, Horner 2002)
Key Characteristics:Cells rod-like and conical with a cylindrical apical process that is thickened for some distance from base, then narrowing to a very long, fine, straight, spine; no otaria; numerous small chloroplasts
Confused With:
Toxin:None known