Anabaena cf. circinalis
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| Taxonomic Group: | Cyanobacteria |
| Trophic Status: | Autotrophic |
| Size Range: | 6.5-7.5 ?m wide (LUMCON Guide) |
| Key Characteristics: | Cells greater than 5 ?m wide; heterocytes and akinetes are rounded and tend to be about the same size as vegetative cells; chains in relaxed coils |
| Confused With: | Anabaena flos-aquae, which has similarly coiled chains, but akinetes that are more oblong and slightly convex |
| Toxin: | Anatoxins, microcystins, saxitoxins |