nclercin's Favorites
Photos / Sounds
Observer
davidfbirdDescription
From a macrophyte bed on the lakeshore of a eutrophic lake. No sheath, aerotopes or heterocytes. Motile, 5-5.5 x 8.5 µm W x L. Cells constricted in the middle and at crosswalls. Terminal cells slightly swollen, rounded.
Photos / Sounds
Observer
mikropiskotDescription
Merismopedia regularis Komárek&Cronberg identified with kind help of Jan Pokorný, who is a specialist in this genus.
Species described from African lakes, now found in shallow hypertrophic Albufera lagoon in Valencia, Spain.
Photos / Sounds
Observer
mikropiskotDescription
Lemmermanniella flexa Hindák with a little longer cells in old colonies, which sometimes happens to specimen of similar genera.
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What
Oocystis lacustrisObserver
mcgregorgbDescription
Planktonic, Atkinsons Dam
DIC x400 magnification
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What
Monactinus simplexObserver
juanantoniogarciabarreraDescription
Variedad de Monactinus (Pediastrum simplex). Fitoplancton.
Photos / Sounds
Observer
someplantDescription
Magnification of all photos: 1000× (oil immersion)
Habitat: planktonic algae from a small artificial fishpond.
Using stage micrometer for calibration, estimated to be about 61 µm long, 46 µm wide, and with isthmus 19 µm wide.
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What
Genus PlanctomycesObserver
someplantDescription
Magnification of all photos: 1000× (oil immersion)
Habitat: planktonic matter from the edge of a large freshwater pond.
Using stage micrometer for calibration, colony estimated to be about 14 µm wide.
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What
Genus AphanotheceObserver
armandonajera74Description
Proctor Lake: scrubbed off of driftwood near shore
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Observer
closterium_mysteriumDescription
Video: https://youtu.be/U-WuPI9VD50
Sampling location: The soil sample was collected from the bank of a pond on the Bagaryak River, near the water. The soil was wet but gradually dried out.
Date and time of collection: September 8, 2023
The sample was stored in a sealed glass container at room temperature.
On September 22, 2023, at 1 PM, a small amount of this soil was mixed with clean water.
Date and time of observation: September 22, 2023, at 1 PM.
Photos / Sounds
Observer
someplantDescription
Magnification of photos: 400×, 400×, 400×, 400×, 400×, 400×, 100×
Habitat: muddy water from the border of a swamp lining Creve Coeur Lake, a large oxbow lake. Associated plants: Cephalanthus occidentalis
Multiple colonies present in sample. Using stage micrometer for calibration, individual cells estimated to be about 5-5.5 µm by 4-4.5 µm.
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Oxley Creek Common Lake
DIC x400 magnification
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What
Peridinium gatunenseObserver
mcgregorgbDescription
Planktonic, Lake Lenthalls
DIC x400 magnification
Photos / Sounds
Observer
mcgregorgbPlace
Blue Lake, Naree Budjong Djara (North Stradbroke Island), Redland Bal, AU-QL, AU (Google, OSM)Description
Planktonic, Blue Lake, Naree Budjong Djara National Park, North Stradbroke Island (Minjerribah)
DIC x400 magnification (preserved specimens)
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What
Staurastrum pinnatumObserver
mcgregorgbDescription
Planktonic, Wilson's Waterhole, Mitchell River
DIC x400 magnification (preserved specimen)
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What
Desmodesmus communisObserver
mcgregorgbDescription
Planktonic, Oxley Creek Common Lake
DIC x400 magnification
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Magnificent Creek
DIC x400 magnification (preserved specimen)
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What
Staurastrum arcuatumObserver
mcgregorgbDescription
Planktonic, Wilson's Waterhole, Mitchell River
DIC x400 magnification (preserved specimen)
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, White Water Waterhole, Mitchell River
DIC x400 magnification (preserved specimen)
Photos / Sounds
Observer
mcgregorgbDescription
Benthic/metaphytic, Nudgee Waterhole
DIC x1000 magnification
Trichomes straight or flexuous, 1.0-2.5 µm broad. Cells cylindrical up to 2 x longer than broad, 1.7-7.5 µm long, deeply constricted at the cross walls, appearing separated by hyaline bridges, refractive gas vacuoles visible at the poles.
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Genus TabellariaObserver
mcgregorgbDescription
Planktonic, Lake MacDonald
DIC x400 magnification
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What
Paradoxia multisetaObserver
mcgregorgbDescription
Planktonic, Cooloolabin Dam
DIC x400 magnification
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What
Genus LepocinclisObserver
mcgregorgbDescription
Planktonic, Lake MacDonald
DIC x400 magnification
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What
Genus SynuraObserver
mcgregorgbDescription
Planktonic, Lake MacDonald
DIC x400 magnification
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Cooloolabin Dam
DIC x 400 magnification
Colonies mucilaginous, irregularly lobate, clathrate or composed of sub-colonies, cells generally densely packed. Cells spherical, slightly elongated during division, 4-7 µm in diameter, with aerotopes.
Pseudanabaena mucicola visible in the mucilage of this specimen.
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What
Euastrum verrucosumObserver
someplantDescription
Magnification of photos: 400×, 400×, 400×, 400×, 400×, 1000× (oil immersion)
Habitat: muddy water from the edge of a shallow pond, collected with Ceratophyllum sp.
Using stage micrometer for calibration, estimated to be about 87 µm long and 66 µm wide.
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Oxley Common Lake
DIC x400 magnification
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What
Tolypothrix lanataObserver
mcgregorgbDescription
Littoral zone, South Pine River at Bunya Crossing
DIC x400 magnification
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Tolypothrix lanataObserver
mcgregorgbDescription
Littoral zone amongst aquatic macrophytes, Lake Wivenhoe
DIC x400 magnification
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What
Euglena sanguineaObserver
fleporiDescription
In same bloom as Euglena cf caudata, but less abundant.
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Genus TolypothrixObserver
smellyturkeyDescription
From sample taken August 10, 2024.
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What
Genus TolypothrixObserver
smellyturkeyDescription
From sample taken August 10, 2024.
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Genus StigonemaObserver
smellyturkeyDescription
Growing on rotting sedge leaves submerged in shallow edges of a pond.
From sample taken August 10, 2024.
Scale = 2.55um
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What
Genus ScytonemaObserver
smellyturkeyDescription
From sample taken August 10, 2024.
interesting branching structure that has me perplexed.
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What
Lepocinclis acusObserver
mcgregorgbDescription
Planktonic, Wongi Waterholes
DIC x400 magnification
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What
Trachelomonas volziiObserver
mcgregorgbDescription
Planktonic, Racecourse Swamp, Kowanyama.
DIC x400 magnification (preserved specimen)
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Yelko Waterhole, Mitchell River
DIC x400 magnification (preserved specimen)
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What
Ulothrix zonataObserver
strangwayDescription
Visible algal mat downstream of a sewage treatment plant.
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Poona Lake, Cooloola Recreation Area, Great Sandy National Park
DIC x400 magnification
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What
Anabaena inaequalisObserver
mcgregorgbDescription
Benthic, Christmas Creek at Stinson Park
DIC x400 magnification
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What
Anabaena torulosaObserver
mcgregorgbDescription
Benthic, Moggill Creek at Upper Brookfield
DIC x400 magnification
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Observer
mcgregorgbDescription
Benthic, Babinda Creek at the Boulders
DIC x400 magnification
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What
Gloeotrichia natansObserver
mcgregorgbDescription
Benthic, Little Yabba Creek at Mary River
DIC x400 magnification
Photos / Sounds
Observer
mcgregorgbDescription
Metaphytic, Talaroo hot springs
DIC x400 magnification (preserved sample)
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What
Chroococcus turgidusObserver
mcgregorgbDescription
Metaphytic, Rainbow Beach Fen, Cooloola Recreation Area, Great Sandy National Park
DIC x400 magnification
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Yelko Waterhole
DIC x400 magnification (preserved specimen)
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Blue Lake, Naree Budjong Djara National Park, North Stradbroke Island (Minjerribah)
DIC x400 magnification
Photos / Sounds
Observer
mcgregorgbDescription
Metaphytic, Lake Freshwater, Cooloola Recreation Area, Great Sandy National Park
DIC x400 magnification
Photos / Sounds
Observer
mcgregorgbDescription
Planktonic, Blue Lake, Naree Budjong Djara National Park, North Stradbroke Island (Minjerribah)
DIC x400 magnification
Photos / Sounds
What
Dinobryon bavaricumObserver
mcgregorgbDescription
Planktonic, Blue Lake, Naree Budjong Djara National Park, North Stradbroke Island (Minjerribah)
DIC x400 magnification
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Dinobryon sertulariaObserver
mcgregorgbDescription
Planktonic, Lake Lenthalls
DIC x400 magnification
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What
Wollea bharadwajaeObserver
mcgregorgbDescription
Benthic, Condamine River at Chinchilla Weir
DIC x400 magnification (preserved specimen)
Photos / Sounds
Observer
mcgregorgbDescription
Metaphytic/benthic, Poona Lake, Cooloola Section, Great Sandy National Park.
DIC x400 magnification
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What
Family CatenulidaeObserver
spongemanDescription
Small sample of soil and moss taken from edge of dry rockpool on top of dry sandstone hilltop and kept at room temperature for several weeks. Water added and kept at room temperature for several days. Samples taken by dropper over next few weeks and examined microscopically.
Photos / Sounds
What
Genus HapalosiphonObserver
spongemanDescription
Small sample taken of soil and moss from edge of dry rockpool on exposed sandstone hilltop and kept at room temperature for several weeks. Water added and kept at room temperature for several days. Samples taken by dropper over next few weeks and examined microscopically.
