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Phytoplankton (Algae) and Zooplankton
Collected and Identified
in Little Fresh Pond and Black's Nook
by Squizzle Plekavich
 
 
PHOTOS of some Fresh Pond Algae taken by Squizzle
2021
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Black's Nook: 11:20 a.m., 8/27/21.
Water temperature 79.6 degrees F.
Phytoplankton
Euglena
Docidium
Spirogyra
Sphaerozosma
Trachelomonas
Zooplankton
Cladocerans
Copepods
Rotifers (Keratella)
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Little Fresh Pond: 11:05 a.m., 8/27/21.
Water temperature 83.2 degrees F.
Phytoplankton
Staurastrum (1/ml)
Volvox (1/ml)
Anabaena (<1/ml)
Eodogonium
Closterium
Cosmarium
Micrasterias
Scenedesmus
Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook:  7:25 a.m., 7/27/21.
Water temperature 73.5 degrees F.
Phytoplankton
Stauastrum
Closterium
Spinocosmarium
Micrasterias
Desmidium
Peridinium
Euglena
Spirogyra
Sphaerozosma
Pediastrum
Ankistrodesmus
Zooplankton
Cladocerans
Copepods
Rotifers
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Little Fresh Pond: 7:10 a.m., 7/27/21.
Water temperature 71.7 degrees F.
Phytoplankton
Staurastrum ( 1/ml)
Oedogonium 
Mougeotia
Spinocosmarium
Micrasterias
Fragilaria
Ceratium
unknown filamentous alga
Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 5 p.m., 6/29/21.
Water temperature 88.2 degrees F.
Phytoplankton
Spirogyra
Bulbochaete
Spinocosmarium
Fragillaria
Pediastrum
Micrasterias
Eudorina
Ulothrix ?
Zooplankton
Cladocerans ( Bosmina )
Copepods
Rotifers ( Limnias )
________________________
Little Fresh Pond: 5:45 p.m.,6/29/21.
Water temperature 88.5 degrees F.
Phytoplankton
Oedogonium (bloom- in mats on surface)
Cosmarium (15/ml)
Coelastrum (1/ml)
Unknown filamentous alga
Zooplankton
Cladocerans
Copepods
Rotifers
____________________
Black's Nook:  12:20 p.m., 5/29/21.
Water temperature 73.8 degrees F. 
Phytoplankton
Spirogyra
Peridinium
Pinnularia
Synura 
Mallomonas 
Docidium
Golenkinia
Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Connchilus, Keratella)
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Little Fresh Pond: 12:00 p.m., 5/29/21.
Water temperature 71.0 degrees F.
Phytoplankton
Oedogonium (<1/ml)
Lyngbya
Bulbochaete
Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers
____________________
Black's Nook: 5:25 p.m., 4/21/21.
Water temperature 61.3 degrees F.
Phytoplankton
Dinobryon
Synura
Zooplankton
Cladocerans (Bosmina) 
Copepods
Rotifers (Keratella, Synchaeta, Filinia, Asplanchna)
________________________
Little Fresh Pond: 5:05 p.m., 4/20/21.
Water temperature 61.2 degrees F.
Phytoplankton
Closterium (1/ml)
Spinocosmarium
Oedogonium
Pediastrum
Ulothrix
Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers
 
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Black's Nook: 6:45 p.m., 3/27/21.
Water temperature 59.3 degrees F.
Phytoplankton
Audouinella?
Oedogonium
Eudorina
Navicula
Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Filinia)
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Little Fresh Pond:  7:10 p.m., 3/27/21.
Water temperature 57.6 degrees F. 
Phytoplankton
Dinobryon (1 colony / ml)
Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 4:30 p.m., 2/21/21
Water temperature 34.8 degrees F under 4 inches of snow & 5 inches of ice.
Phytoplankton
Oedogonium
Zooplankton
Cladocerans
Copepods
Rotifers
 
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Little Fresh Pond:9:00 a.m., 2/21/21
Water temperature 34.8 degrees under 2 inches of snow & 5 inches of ice. 
Phytoplankton
Fragilaria (<1/ml) 
Zooplankton
Cladocerans
Copepods
Rotifers
 
Black's Nook: 1/1/21 , 9:00 a.m.
Water temperature 37.8 degrees F. (under 1 inch of ice). 
Phytoplankton
Synura 
Uroglenopsis
Dinobryon
Pinnularia
Zooplankton
Cladocerans (Bosmina)  
Copepods
Rotifers (Brachionus)
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Little Fresh Pond: 1/1/21 , 8:45 a.m. 
Water temperature 36.2 degrees F  (under 1 inch of ice). 
Phytoplankton
Ulothrix (< 1/ml) 
Euglena
Navicula
Zooplankton
Cladocerans
Copepods
Rotifer