Fraud Blocker Skip to main content

Protozoans Collection

Protozoans are fascinating microscopic organisms that inhabit various environments, from freshwater to soil

Background imageProtozoans Collection: Euglena gracilis

Euglena gracilis protists. Light micrograph of a group of Euglena gracilis protists. These organisms possess a unique combination of plant and animal characters. Like the algae, E

Background imageProtozoans Collection: Holosticha ciliate protozoan, SEM

Holosticha ciliate protozoan, SEM
Holosticha ciliate protozoan. Coloured scanning electron micrograph (SEM) of a Holosticha sp. ciliate protozoan ingesting diatoms (blue). Holosticha is a tiny single-celled aquatic organism

Background imageProtozoans Collection: Euplotes protozoa, SEM C016 / 9040

Euplotes protozoa, SEM C016 / 9040
Euplotes protozoa. Coloured scanning electron micrograph (SEM) showing the upperside (bottom) and underside (top) of two Euplotes sp. hypotrich ciliate protozoa

Background imageProtozoans Collection: Climacostomum protozoan, SEM C016 / 9063

Climacostomum protozoan, SEM C016 / 9063
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Background imageProtozoans Collection: Euglena flagellate protozoa, SEM C016 / 9103

Euglena flagellate protozoa, SEM C016 / 9103
Euglena flagellate protozoa. Coloured scanning electron micrograph (SEM) of two Euglena sp. flagellate protozoa. Euglena sp

Background imageProtozoans Collection: Climacostomum protozoan, SEM C016 / 9121

Climacostomum protozoan, SEM C016 / 9121
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Background imageProtozoans Collection: Climacostomum protozoan, SEM C016 / 9061

Climacostomum protozoan, SEM C016 / 9061
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, upper right)

Background imageProtozoans Collection: Climacostomum protozoan, SEM C016 / 9120

Climacostomum protozoan, SEM C016 / 9120
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Background imageProtozoans Collection: Climacostomum protozoan, SEM C016 / 9065

Climacostomum protozoan, SEM C016 / 9065
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, upper right)

Background imageProtozoans Collection: Euglena flagellate protozoa, SEM C016 / 9104

Euglena flagellate protozoa, SEM C016 / 9104
Euglena flagellate protozoa. Coloured scanning electron micrograph (SEM) of two Euglena sp. flagellate protozoa. Euglena sp

Background imageProtozoans Collection: Climacostomum protozoan, SEM C016 / 9064

Climacostomum protozoan, SEM C016 / 9064
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Background imageProtozoans Collection: Climacostomum protozoan, SEM C016 / 9122

Climacostomum protozoan, SEM C016 / 9122
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Background imageProtozoans Collection: Hartmannella vermiformis protozoa cysts C016 / 9402

Hartmannella vermiformis protozoa cysts C016 / 9402
Hartmannella vermiformis protozoa cysts. Transmission electron micrograph (TEM) of a section through cysts (round) containing Hartmannella vermiformis protozoa. H

Background imageProtozoans Collection: Legionella infected protozoan, TEM C016 / 9412

Legionella infected protozoan, TEM C016 / 9412
Legionella infected protozoan. Transmission electron micrograph (TEM) of a section through a single-celled Tetrahymena pyriformis protozoan, infected with Legionella pneumophila bacteria (yellow)

Background imageProtozoans Collection: Euplotes protozoa, SEM C016 / 9041

Euplotes protozoa, SEM C016 / 9041
Euplotes protozoa. Coloured scanning electron micrograph (SEM) showing the upperside (bottom) and underside (top) of two Euplotes sp. hypotrich ciliate protozoa

Background imageProtozoans Collection: Climacostomum protozoan, SEM C016 / 9062

Climacostomum protozoan, SEM C016 / 9062
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, upper right)

Background imageProtozoans Collection: Giardia protozoan, SEM C016 / 9398

Giardia protozoan, SEM C016 / 9398
Giardia protozoan. Coloured scanning electron micrograph (SEM) of a Giardia sp. trophozoite protozoan (yellow) attached to the lining of a human intestine

Background imageProtozoans Collection: Ciliate protozoan ingesting algae

Ciliate protozoan ingesting algae. Darkfield illuminated light micrograph of a ciliate protozoan ingesting green algae (green)

Background imageProtozoans Collection: Amoeboid protozoa, SEM

Amoeboid protozoa, SEM
Amoeboid protozoa. Differential interference contrast (DIC) micrograph of four Thecamoeba sp. amoebozoa. Amoebozoa are a major group of amoeboid protozoa, motile single-celled organisms

Background imageProtozoans Collection: Ciliate protozoan, light micrograph

Ciliate protozoan, light micrograph
Ciliate protozoan. Darkfield illuminated light micrograph of a ciliate protozoan, showing green algae (green) that it has ingested

Background imageProtozoans Collection: Amoeba protozoa, SEM

Amoeba protozoa, SEM
Amoeba protozoa. Coloured scanning electron micrograph (SEM) of four Amoeba sp. protozoa, showing their numerous pseudopodia (cytoplasmic extensions, leg-like)

Background imageProtozoans Collection: Radiolaria, light micrograph C014 / 4672

Radiolaria, light micrograph C014 / 4672
Radiolaria. Collection of light micrographs showing various different species of radiolaria. Radiolaria (or radiolarians) are amoeboid protozoa that produce intricate mineral skeletons

Background imageProtozoans Collection: Ciliate protozoan, light micrograph C014 / 4676

Ciliate protozoan, light micrograph C014 / 4676
Ciliate protozoan. Differential interference contrast micrograph of a ciliate protozoan, showing the symbiotic green algae (Zoochlorellae, green) contained in vacuoles within

Background imageProtozoans Collection: Ciliate protozoan, light micrograph C014 / 4667

Ciliate protozoan, light micrograph C014 / 4667
Ciliate protozoan. Differential interference contrast micrograph of a ciliate protozoan, showing the symbiotic green algae (Zoochlorellae, green) contained in vacuoles within

Background imageProtozoans Collection: Amoeba protozoa, light micrograph C016 / 8607

Amoeba protozoa, light micrograph C016 / 8607
Amoeba protozoa. Interphase contrast light micrograph of two Amoeba sp. protozoa eating each other, showing its numerous pseudopodia (cytoplasmic extensions, leg-like)

Background imageProtozoans Collection: Ciliate protozoan, light micrograph C016 / 8593

Ciliate protozoan, light micrograph C016 / 8593
Ciliate protozoan. Differential interference contrast (DIC) light micrograph of a ciliate protozoan. Magnification: x280 when printed 10 centimetres wide

Background imageProtozoans Collection: Hypotrich protozoan, light micrograph C016 / 8592

Hypotrich protozoan, light micrograph C016 / 8592
Hypotrich protozoan. Differential interference contrast (DIC) light micrograph of a Euplotes sp. hypotrich ciliate protozoan. Magnification: x280 when printed 10 centimetres wide

Background imageProtozoans Collection: Hypotrich protozoan, light micrograph C016 / 8590

Hypotrich protozoan, light micrograph C016 / 8590
Hypotrich protozoan. Differential interference contrast (DIC) light micrograph of a Euplotes sp. hypotrich ciliate protozoan. Magnification: x280 when printed 10 centimetres wide

Background imageProtozoans Collection: Ciliate protozoan, light micrograph C016 / 8582

Ciliate protozoan, light micrograph C016 / 8582
Ciliate protozoan. Differential interference contrast (DIC) light micrograph of a ciliate protozoan. Magnification: x280 when printed 10 centimetres wide

Background imageProtozoans Collection: Paramecium bursaria protozoan C016 / 8579

Paramecium bursaria protozoan C016 / 8579
Paramecium bursaria protozoan, phase-contrast light micrograph. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Background imageProtozoans Collection: Amoeba protozoan, light micrograph C016 / 8578

Amoeba protozoan, light micrograph C016 / 8578
Amoeba protozoan. Phase-contrast light micrograph of an Amoeba sp. protozoan, showing its numerous pseudopodia (cytoplasmic extensions, leg-like)

Background imageProtozoans Collection: Evolution, conceptual image

Evolution, conceptual image. Computer artwork representing the development of life on earth from single-celled organisms (upper left) through to complex lifeforms such as dinosaurs (centre)

Background imageProtozoans Collection: Vorticella protozoan, light micrograph

Vorticella protozoan, light micrograph
Vorticella protozoan. Rheinberg illuminated light micrograph of a Vorticella sp. ciliate protozoan. This single-celled organism consists of a bell-shaped head

Background imageProtozoans Collection: Paramecium bursaria protozoan, light micr

Paramecium bursaria protozoan, light micr
Paramecium bursaria protozoan, differential interference contrast light micrograph. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Background imageProtozoans Collection: Blepharisma protozoan, light micrograph

Blepharisma protozoan, light micrograph
Blepharisma protozoan. Differential interference contrast micrograph of a Blepharisma japonicum protozoan. These ciliate protozoa move by beating their cilia

Background imageProtozoans Collection: Blepharisma protozoa, light micrograph

Blepharisma protozoa, light micrograph
Blepharisma protozoa. Differential interference contrast micrograph of Blepharisma japonicum protozoa. These ciliate protozoa move by beating their cilia

Background imageProtozoans Collection: Vorticella protozoa, light micrograph C016 / 3042

Vorticella protozoa, light micrograph C016 / 3042
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Background imageProtozoans Collection: Vorticella protozoan, light micrograph C016 / 3043

Vorticella protozoan, light micrograph C016 / 3043
Vorticella protozoan. Differential interference contrast (DIC) light micrograph of a Vorticella sp. ciliate protozoan. This single-celled organism consists of a bell-shaped head

Background imageProtozoans Collection: Vorticella protozoa, light micrograph C016 / 3041

Vorticella protozoa, light micrograph C016 / 3041
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Background imageProtozoans Collection: Vorticella protozoa, light micrograph C016 / 3040

Vorticella protozoa, light micrograph C016 / 3040
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Background imageProtozoans Collection: Ciliate protozoa, light micrograph

Ciliate protozoa, light micrograph
Ciliate protozoa. Light micrograph of a mixed population of freshwater ciliate protozoa and algae. The algae are the green filaments crossing the field

Background imageProtozoans Collection: Ciliate protozoans, SEM

Ciliate protozoans, SEM
Ciliate protozoans. Coloured scanning electron micrograph (SEM) of sessile (anchored) ciliate protozoan (subclass Peritrichia)

Background imageProtozoans Collection: Epistylis protozoan colony on algae

Epistylis protozoan colony on algae. Light micrograph of a colony of Epistylis sp. protozoa (centre right) attached to a green algae filament (lower left)

Background imageProtozoans Collection: Giant clam mantle

Giant clam mantle. Close-up of the mantle of a giant clam (Tridacna Tridacna gigas). The bright colours in the mantle come from symbiotic zooxanthellae (protozoa) in the tissue

Background imageProtozoans Collection: Protozoa, historical artwork

Protozoa, historical artwork
Protozoa. 1839 artwork by the naturalist Christian Gottfried Ehrenberg of Protozoa as seen under his microscope

Background imageProtozoans Collection: Trembley in his Study

Trembley in his Study
Abraham Trembley (1700 - 1784), Swiss naturalist, depicted in his study. He was the first to witness multiplication of protozoans by cell division in algae



All Professionally Made to Order for Quick Shipping

Protozoans are fascinating microscopic organisms that inhabit various environments, from freshwater to soil. These incredible creatures come in a wide array of shapes and sizes, each with its own unique characteristics. One captivating example is the Holosticha ciliate protozoan, as seen under a scanning electron microscope (SEM). Its intricate body structure and delicate cilia make it a mesmerizing sight to behold. Similarly, the Euplotes protozoa, also observed through SEM C016 / 9040 imaging, showcases its remarkable complexity. Another intriguing species is the Climacostomum protozoan. SEM images such as C016 / 9063 and C016 / 9121 reveal its distinctive features and provide insight into its behavior within its environment. The Climacostomum's ability to adapt and survive in diverse conditions is truly awe-inspiring. The Hartmannella vermiformis protozoa cysts captured in image C016 / 9401 demonstrate their resilient nature. These cysts serve as protective structures during unfavorable conditions until they can resume their active life cycle. Euglena flagellate protozoa are another group worth mentioning due to their fascinating flagella-driven locomotion. SEM images like C016 / 9103 and C016 / 9104 showcase these graceful organisms moving through their aquatic habitats with ease.