Pseudo-nitzschia spp.
Click on image to view photo information.
| Taxonomic Group: | Diatom |
| Trophic Status: | Autotrophic |
| Size Range: | 3.8-5.0 μm wide x 38-95 μm long (LUMCON Guide); 1-6.5 μm wide x 40-174 μm long (Horner 2002) |
| Key Characteristics: | Long, sharp pennates that are most often found in step chains; two round chloroplasts on either side of a centrally located nucleus |
| Confused With: | Possibly with Leptocylindrus minimus at first glance, which also have two chloroplasts, but which are more cylindrical and form chains by abutting valve faces |
| Toxin: | Domoic Acid |