Anabaena cf. circinalis
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Anaba_ci2.jpg dscn3369.jpg Anabaena.jpg
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