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Elakatothrix

Elakatothrix spp. · Phytoplankton

Elakatothrix: Under the microscope

Under the microscope · Photo: Brandon Corder / CC BY

NativePlanktonic algae (in the water)

How to identify Elakatothrix

  • Under the microscope: spindle shaped green cells lined up end to end in pairs or small groups inside a long jelly sheath
  • Cells pointed at the outer ends
  • In the water: not visible

Similar species

Ankistrodesmus cells are needle shaped without a jelly sheath; Schroederia has a long spine at each end.

Profile

SeasonSpring through fall.
StartsAbout 50 F and up
LightModerate light
DepthOpen water
How it spreads or reproducesCell division
HabitatLakes and ponds, often clear to moderately nutrient rich water.

Why it matters in a lake

A harmless green often seen in low numbers in lake counts.

Where it is found

  • Idaho: Common
  • Oregon: Common
  • Wyoming: Occasional

Classification

KingdomPlantae
PhylumCharophyta
ClassKlebsormidiophyceae
OrderKlebsormidiales
FamilyElakatotrichaceae
Scientific nameElakatothrix spp.

Need a hand?

Want to know what is in your water?

Lab counts of the algae in your lake show what is growing, how much and whether a bloom is coming.

Idaho / Wyoming (208) 501-4531Oregon (541) 280-0596