Skeletonema potamos

Click on image to view photo information.
 
Taxonomic Group:Diatom
Trophic Status:Autotrophic
Size Range:N/A
Key Characteristics:Slanting valve mantle; processes more diverging in direction and subject to osmotic effect, longer at 2-34 psu, shorter at salinities less than 2 psu
Confused With:
Toxin:None known