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Timelapse of filaments of Oscillatoria, a type of Blue green algae gliding over each other, filmed using differential interference contrast.
01475180
SINCLAIR STAMMERS / Timelapse of filaments of Oscillatoria, a type of Blue green algae gliding over each other, filmed using differential interference contrast.
Yellow fan coral / Seafan (Paramuricea clavata) amongst mass of invasive algae (Caulerpa taxifolia) with Rainbow wrasse fish (Coris julis), Strait of Messina, Southern Italy
01372198
Roberto Rinaldi / Yellow fan coral / Seafan (Paramuricea clavata) amongst mass of invasive algae (Caulerpa taxifolia) with Rainbow wrasse fish (Coris julis), Strait of Messina, Southern Italy
Tufts of seaweed growing on a shallow seabed, Island of Coll, Inner Hebrides, Scotland, UK, June
01366807
Alex Mustard / 2020VISION / Tufts of seaweed growing on a shallow seabed, Island of Coll, Inner Hebrides, Scotland, UK, June
Light photomicrograph of Blue green algae / Cyanobacteria (Nostoc sp) capable of nitrogen fixation, and used for soil enrichment especially with rice cultivation. The long filaments are composed of in...
01290346
SINCLAIR STAMMERS / Light photomicrograph of Blue green algae / Cyanobacteria (Nostoc sp) capable of nitrogen fixation, and used for soil enrichment especially with rice cultivation. The long filaments are composed of in...
Phase contrast photomicrograph of Blue green alga / Cyanobacteria (Spirulina platensis) each algal filament or Trichome is 5 microns in diameter.
01290341
SINCLAIR STAMMERS / Phase contrast photomicrograph of Blue green alga / Cyanobacteria (Spirulina platensis) each algal filament or Trichome is 5 microns in diameter.
Blue green algae {Oscillatoria sp} floating in lake, UK.
01134654
Kim Taylor / Blue green algae {Oscillatoria sp} floating in lake, UK.
Stromatolites, colonies of blue-green algae, the oldest life form that still exists today fossils dated to over three billion years ago, Hamelin pool, Western Australia
00152043
Fred Bavendam / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today fossils dated to over three billion years ago, Hamelin pool, Western Australia
Snapping turtle (Chelydra serpentina) in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
01610833
John Cancalosi / Snapping turtle (Chelydra serpentina) in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
Snapping turtle (Chelydra serpentina) in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
01610832
John Cancalosi / Snapping turtle (Chelydra serpentina) in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
Snapping turtle (Chelydra serpentina) in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
01610831
John Cancalosi / Snapping turtle (Chelydra serpentina) in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
Snapping turtle (Chelydra serpentina) amongst leaves in blue-green algae (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
01610830
John Cancalosi / Snapping turtle (Chelydra serpentina) amongst leaves in blue-green algae (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
Snapping turtle (Chelydra serpentina) amongst leaves in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
01610829
John Cancalosi / Snapping turtle (Chelydra serpentina) amongst leaves in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.
Red-eared slider (Trachemys scripta elegans) in blue-green algae (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland. October 2018.
01614097
John Cancalosi / Red-eared slider (Trachemys scripta elegans) in blue-green algae (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland. October 2018.
Black-crowned night-heron (Nycticorax nycticorax) juvenile preening whilst standing on log. Toxin forming Blue-green algae (Woronichinia naegeliana) in water behind. Maryland. October 2018.
01614095
John Cancalosi / Black-crowned night-heron (Nycticorax nycticorax) juvenile preening whilst standing on log. Toxin forming Blue-green algae (Woronichinia naegeliana) in water behind. Maryland. October 2018.
Ewens Ponds, spring fed limestone ponds at the Ewens Ponds Conservation Park, South Australia, Australia March 2015 . Photographed for The Freshwater Project
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Michel Roggo / Ewens Ponds, spring fed limestone ponds at the Ewens Ponds Conservation Park, South Australia, Australia March 2015 . Photographed for The Freshwater Project
Timelapse of filaments of Oscillatoria, a type of Blue green algae gliding over each other, filmed using differential interference contrast.
01475179
SINCLAIR STAMMERS / Timelapse of filaments of Oscillatoria, a type of Blue green algae gliding over each other, filmed using differential interference contrast.
Timelapse of filaments of Oscillatoria, a type of Blue green algae gliding over each other, filmed using differential interference contrast.
01475178
SINCLAIR STAMMERS / Timelapse of filaments of Oscillatoria, a type of Blue green algae gliding over each other, filmed using differential interference contrast.
Fossil stromatolite from Cretaceous age, 145-65 million years ago, Merzouga, Khenifra province, Morocco
01548736
John Cancalosi / Fossil stromatolite from Cretaceous age, 145-65 million years ago, Merzouga, Khenifra province, Morocco
Fossil Stromatolites, also called microbial carbonates are among the oldest forms of the Earth life. This sample is from Torgo River Basin, Russia. Precambrian period.
01548704
John Cancalosi / Fossil Stromatolites, also called microbial carbonates are among the oldest forms of the Earth life. This sample is from Torgo River Basin, Russia. Precambrian period.
Diver exploring carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
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Olga Kamenskaya / Diver exploring carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
01548595
Olga Kamenskaya / Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
Diver exploring carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
01548594
Olga Kamenskaya / Diver exploring carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
01548593
Olga Kamenskaya / Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
01548592
Olga Kamenskaya / Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
01548591
Olga Kamenskaya / Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
01548590
Olga Kamenskaya / Carpet of dying filamentous algae and cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
Diver exploring sick sponge, stricken by a Cyanobacteria and filamentous algae, Lake Baikal, Siberia, Russia. July 2015.
01548589
Olga Kamenskaya / Diver exploring sick sponge, stricken by a Cyanobacteria and filamentous algae, Lake Baikal, Siberia, Russia. July 2015.
Diver exploring sick sponge, stricken by a Cyanobacteria , Lake Baikal, Siberia, Russia. July 2015. Model released.
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Olga Kamenskaya / Diver exploring sick sponge, stricken by a Cyanobacteria , Lake Baikal, Siberia, Russia. July 2015. Model released.
Sick freshwater sponge, stricken by a Cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
01548587
Olga Kamenskaya / Sick freshwater sponge, stricken by a Cyanobacteria , Lake Baikal, Siberia, Russia. July 2015.
Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
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Olga Kamenskaya / Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
01548579
Olga Kamenskaya / Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
01548578
Olga Kamenskaya / Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
01548577
Olga Kamenskaya / Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
01548576
Olga Kamenskaya / Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
01548575
Olga Kamenskaya / Sick sponge, stricken by a Cyanobacteria, Lake Baikal, Siberia, Russia. December.
Old fishing nets and Cyanobacteria smothering sponge (Libomirskia baicalensis) Lake Baikal, Siberia, Russia. July 2015.
01548573
Olga Kamenskaya / Old fishing nets and Cyanobacteria smothering sponge (Libomirskia baicalensis) Lake Baikal, Siberia, Russia. July 2015.
Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, Lisvori, Polychnitos, Lesbos / Lesvos, Greece, May 2013.
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Nick Upton / Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, Lisvori, Polychnitos, Lesbos / Lesvos, Greece, May 2013.
Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, Lisvori, Polychnitos, Lesbos / Lesvos, Greece, May 2013.
01536173
Nick Upton / Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, Lisvori, Polychnitos, Lesbos / Lesvos, Greece, May 2013.
Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, Lisvori, Polychnitos, Lesbos / Lesvos, Greece, May 2013.
01536172
Nick Upton / Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, Lisvori, Polychnitos, Lesbos / Lesvos, Greece, May 2013.
Greenthroat or Singapore parrotfish (Scarus prasiognathus), large school of terminal males grazing on algae covered coral boulders. Andaman Sea, Thailand.
01532036
Georgette Douwma / Greenthroat or Singapore parrotfish (Scarus prasiognathus), large school of terminal males grazing on algae covered coral boulders. Andaman Sea, Thailand.
Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria, found in a shallow freshwater pool on an area of limestone pavement. Gait Barrows National Nature Reserve, Lancashire, UK. Septembe...
01523188
Alex Hyde / Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria, found in a shallow freshwater pool on an area of limestone pavement. Gait Barrows National Nature Reserve, Lancashire, UK. Septembe...
Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria, found in a shallow freshwater pool on an area of limestone pavement. Gait Barrows National Nature Reserve, Lancashire, UK. Septembe...
01523187
Alex Hyde / Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria, found in a shallow freshwater pool on an area of limestone pavement. Gait Barrows National Nature Reserve, Lancashire, UK. Septembe...
Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria, found in a shallow freshwater pool on an area of limestone pavement. Gait Barrows National Nature Reserve, Lancashire, UK. Septembe...
01523186
Alex Hyde / Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria, found in a shallow freshwater pool on an area of limestone pavement. Gait Barrows National Nature Reserve, Lancashire, UK. Septembe...
Shallow pool on an area of limestone pavement containing Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria. Gait Barrows National Nature Reserve, Lancashire, UK. September.
01523185
Alex Hyde / Shallow pool on an area of limestone pavement containing Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria. Gait Barrows National Nature Reserve, Lancashire, UK. September.
Shallow pool on an area of limestone pavement containing Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria. Gait Barrows National Nature Reserve, Lancashire, UK. September.
01523184
Alex Hyde / Shallow pool on an area of limestone pavement containing Freshwater grapes (Nostoc sp.), a blue-green algae or cyanobacteria. Gait Barrows National Nature Reserve, Lancashire, UK. September.
Blue-green cyanobacteria (Trichodesmium thiebautii) Sargasso Sea, Bermuda.
01514419
Solvin Zankl / Blue-green cyanobacteria (Trichodesmium thiebautii) Sargasso Sea, Bermuda.
Star jelly (Nostoc commune) on rotting log, GWT Lower Woods reserve, Gloucestershire, UK, October.
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Nick Upton / Star jelly (Nostoc commune) on rotting log, GWT Lower Woods reserve, Gloucestershire, UK, October.
Blue-Green Algae (Cyanobacteria) bloom on Slapton Ley, Devon, England. This bacteria produces toxins including Micocystin, July, 2014.
01489957
Adrian Davies / Blue-Green Algae (Cyanobacteria) bloom on Slapton Ley, Devon, England. This bacteria produces toxins including Micocystin, July, 2014.
Blue-Green Algae (Cyanobacteria) bloom on Slapton Ley, Devon, England. This bacteria produces toxins including Micocystin, July, 2014.
01489956
Adrian Davies / Blue-Green Algae (Cyanobacteria) bloom on Slapton Ley, Devon, England. This bacteria produces toxins including Micocystin, July, 2014.
Blue-Green Algae (Cyanobacteria) bloom on Slapton Ley, Devon, England. This bacteria produces toxins including Micocystin, July.
01489955
Adrian Davies / Blue-Green Algae (Cyanobacteria) bloom on Slapton Ley, Devon, England. This bacteria produces toxins including Micocystin, July.
Blue-Green Algae (Cyanobacteria) bloom on Slapton Ley, Devon, England. This bacteria produces toxins including Micocystin, July.
01489954
Adrian Davies / Blue-Green Algae (Cyanobacteria) bloom on Slapton Ley, Devon, England. This bacteria produces toxins including Micocystin, July.
Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
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Mark MacEwen / Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
01468332
Mark MacEwen / Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
01468331
Mark MacEwen / Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
01468330
Mark MacEwen / Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
01468329
Mark MacEwen / Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by cyano bacteria, in Doublet Pool, Yellowstone National Park, Wyoming, USA, July.
01468328
Mark MacEwen / Colourful patterns formed by cyano bacteria, in Doublet Pool, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by cyano bacteria, in Doublet Pool, Yellowstone National Park, Wyoming, USA, July.
01468327
Mark MacEwen / Colourful patterns formed by cyano bacteria, in Doublet Pool, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
01468213
Mark MacEwen / Colourful patterns formed by Cyano bacteria, Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by cyano bacteria Doublet Pool, Yellowstone National Park, Wyoming, USA, July.
01468212
Mark MacEwen / Colourful patterns formed by cyano bacteria Doublet Pool, Yellowstone National Park, Wyoming, USA, July.
Colourful patterns formed by cyano bacteria, in Doublet Pool, Yellowstone National Park, Wyoming, USA, July.
01468211
Mark MacEwen / Colourful patterns formed by cyano bacteria, in Doublet Pool, Yellowstone National Park, Wyoming, USA, July.
Star Jelly (Nostoc commune) a blue-green alga, on base of a pond, Brockhall Quarry, Herefordshire, England, July.
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Will Watson / Star Jelly (Nostoc commune) a blue-green alga, on base of a pond, Brockhall Quarry, Herefordshire, England, July.
Spirulina (Arthrospira) cultivation in heated greenhouses, using waste hot water from a biogas production process, Spain, January, 2013.
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Pascal Tordeux / Spirulina (Arthrospira) cultivation in heated greenhouses, using waste hot water from a biogas production process, Spain, January, 2013.
Spirulina (Arthrospira) cultivation in heated greenhouses, using waste hot water from a biogas production process, Spain, January, 2013.
01447496
Pascal Tordeux / Spirulina (Arthrospira) cultivation in heated greenhouses, using waste hot water from a biogas production process, Spain, January, 2013.
Natural hot spring containing cyanobacteria, seawater is heated from seeping beneath the lava, Reykjanes Peninsula, Iceland
00620584
Cyril Ruoso / Natural hot spring containing cyanobacteria, seawater is heated from seeping beneath the lava, Reykjanes Peninsula, Iceland
Warning sign highlighting the danger caused by a Cyanobacteria / Blue-green (Trichodesmium erythraeum) algal bloom in a lake, Richmond Park, Surrey, England, UK, October.
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Adrian Davies / Warning sign highlighting the danger caused by a Cyanobacteria / Blue-green (Trichodesmium erythraeum) algal bloom in a lake, Richmond Park, Surrey, England, UK, October.
Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
00498730
Hiroya Minakuchi / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
00498729
Hiroya Minakuchi / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
00498712
Hiroya Minakuchi / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
00498711
Hiroya Minakuchi / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
00498710
Hiroya Minakuchi / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
Blue-green alga (Oscillatoria) on the margins of a kettle hole pond, Herefordshire, England, UK, June
01397711
Will Watson / Blue-green alga (Oscillatoria) on the margins of a kettle hole pond, Herefordshire, England, UK, June
Blue-green alga (Oscillatoria) on the margins of a kettle hole pond, Herefordshire, England, UK, June
01397710
Will Watson / Blue-green alga (Oscillatoria) on the margins of a kettle hole pond, Herefordshire, England, UK, June
Blue-green alga (Oscillatoria) on the margins of a kettle hole pond, Herefordshire, England, UK, June
01397709
Will Watson / Blue-green alga (Oscillatoria) on the margins of a kettle hole pond, Herefordshire, England, UK, June
Warning sign for Blue Green Algae, Richmond Park, Surrey, England, UK, October 2011
01368613
Adrian Davies / Warning sign for Blue Green Algae, Richmond Park, Surrey, England, UK, October 2011
Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
00480620
Chien Lee / Stromatolites, colonies of blue-green algae, the oldest life form that still exists today, over three billion years old, Hamelin Pool, Shark Bay, Western Australia
Stromatolites exposed at low tide, colonies of blue-green algae, the oldest life form that still exists today fossils dated to over three billion years ago, Hamelin Pool, Shark Bay, Western Australia
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Hiroya Minakuchi / Stromatolites exposed at low tide, colonies of blue-green algae, the oldest life form that still exists today fossils dated to over three billion years ago, Hamelin Pool, Shark Bay, Western Australia
RF- Grey seal (Halichoerus grypus) among kelp. Lundy Island, Bristol Channel, England, UK, May. Grey seals can dive up to 70 metres and stay underwater for 30 minutes.
01341021
Alex Mustard / 2020VISION / RF- Grey seal (Halichoerus grypus) among kelp. Lundy Island, Bristol Channel, England, UK, May. Grey seals can dive up to 70 metres and stay underwater for 30 minutes.
Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, and clumps of Juncus rushes growing at the margins. Polychnitos, Lesbos / Lesvos,...
01334136
Nick Upton / Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, and clumps of Juncus rushes growing at the margins. Polychnitos, Lesbos / Lesvos,...
Boiling water from hot springs flowing into thermal river, with colourful growths of blue-green algae and mineral deposits at margins. Polychnitos, Lesbos / Lesvos, Greece, August 2010.
01334135
Nick Upton / Boiling water from hot springs flowing into thermal river, with colourful growths of blue-green algae and mineral deposits at margins. Polychnitos, Lesbos / Lesvos, Greece, August 2010.
Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, and clumps of Juncus rushes growing at the margins, Polychnitos, Lesbos / Lesvos,...
01334137
Nick Upton / Thermal river, fed with boiling water from hot springs, with colourful growths and scummy crusts of blue-green algae, and clumps of Juncus rushes growing at the margins, Polychnitos, Lesbos / Lesvos,...
Blue green algae / cyanobacteria (Nostoc sp) occurring naturally as nodules in a water-filled depression in Carboniferous Limestone at The Burren in Western Ireland. These nodules are roughly the size...
01290345
SINCLAIR STAMMERS / Blue green algae / cyanobacteria (Nostoc sp) occurring naturally as nodules in a water-filled depression in Carboniferous Limestone at The Burren in Western Ireland. These nodules are roughly the size...
Photomicrograph of filamentous Bluegreen alga / Cyanobacteria (Oscillatoria animalis) each filament or Trichome is about 5 micrometres in diameter.
01290342
SINCLAIR STAMMERS / Photomicrograph of filamentous Bluegreen alga / Cyanobacteria (Oscillatoria animalis) each filament or Trichome is about 5 micrometres in diameter.
Bubble algae / Sailor's eyeball (Valonia ventricosa) Lembeh Straits, Sulawesi, Indonesia
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Sue Daly / Bubble algae / Sailor's eyeball (Valonia ventricosa) Lembeh Straits, Sulawesi, Indonesia
Riverine landscape on the way to Landmannalaugar, south Iceland. July 2008
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Inaki Relanzon / Riverine landscape on the way to Landmannalaugar, south Iceland. July 2008
Riverine landscape on the way to Landmannalaugar, south Iceland. July 2008
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Inaki Relanzon / Riverine landscape on the way to Landmannalaugar, south Iceland. July 2008
Warning sign for Blue-Green Algae on water surface, Richmond Park, London, UK, 2007
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Adrian Davies / Warning sign for Blue-Green Algae on water surface, Richmond Park, London, UK, 2007
RF- Garibaldi fish (Hypsypops rubicundus) in kelp forest, California, USA. Pacific coast. (This image may be licensed either as rights managed or royalty free.)
01171591
Juergen Freund / RF- Garibaldi fish (Hypsypops rubicundus) in kelp forest, California, USA. Pacific coast. (This image may be licensed either as rights managed or royalty free.)
Blue green algae {Oscillatoria sp} floating in lake, UK.
01134653
Kim Taylor / Blue green algae {Oscillatoria sp} floating in lake, UK.
Tourist photographing stromatolites, colonies of blue-green algae, the oldest life form that still exists today fossils dated to over three billion years ago, Hamelin Pool, Western Australia
00152051
Fred Bavendam / Tourist photographing stromatolites, colonies of blue-green algae, the oldest life form that still exists today fossils dated to over three billion years ago, Hamelin Pool, Western Australia
Stromatolites created by cyanobacteria & blue-green algae. Hamelin pool, Australia
01059584
Jabruson / Stromatolites created by cyanobacteria & blue-green algae. Hamelin pool, Australia
Stromatolites created by cyanobacteria & blue-green algae. Hamelin pool, Australia
01059583
Jabruson / Stromatolites created by cyanobacteria & blue-green algae. Hamelin pool, Australia
Stromatolites at low tide, colonies of blue-green algae, the oldest life form that still exists today. Fossils dated to over three billion years ago, Shark Bay, Western Australia, Australia
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Hiroya Minakuchi / Stromatolites at low tide, colonies of blue-green algae, the oldest life form that still exists today. Fossils dated to over three billion years ago, Shark Bay, Western Australia, Australia
Natural hot spring containing cyanobacteria, seawater has been heated after seeping beneath the lava, Reykjanes Peninsula, Iceland
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Cyril Ruoso / Natural hot spring containing cyanobacteria, seawater has been heated after seeping beneath the lava, Reykjanes Peninsula, Iceland
Little Blue Penguin (Eudyptula minor) carcass in kelp on beach, Phillip Island, Australia
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D. Parer & E. Parer-Cook / Little Blue Penguin (Eudyptula minor) carcass in kelp on beach, Phillip Island, Australia
Giant string kelp (Macrocystis augustifolia), Eaglehawk, Tasmania, Australia
08108837
Roberto Rinaldi / Giant string kelp (Macrocystis augustifolia), Eaglehawk, Tasmania, Australia