Image Credits
Photographs on this site come from Unsplash and Wikimedia Commons and are used under the licence shown for each. Thank you to the photographers.
| Image | Photographer | Licence | Source |
|---|---|---|---|
| Reef aquarium with colourful corals and small fish under blue water (cropped and resized) | SGR | Unsplash License | Unsplash |
| Saltwater aquarium set in a wooden surround, with a blue tang swimming over coral-covered rock (cropped and resized) | Robert Nunnally (gurdonark) | CC BY 2.0 | Flickr |
| Rows of light fixtures mounted above a large aquarium tank, with pipework behind (cropped and resized) | Don McCulley | CC BY-SA 4.0 | Wikimedia Commons |
| Live rock covered in pink and green coralline algae on a white sand bed (cropped and resized) | Nat Tarbox | CC BY 2.0 | Wikimedia Commons |
| Two orange-and-white clownfish swimming in an aquarium (cropped and resized) | William Warby | Unsplash License | Unsplash |
| Clownfish sheltering among the tentacles of a purple sea anemone (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Long curved aquarium window showing a rock wall covered with corals (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Zoanthid polyps glowing blue and red under actinic aquarium lighting (cropped and resized) | Robert Howie | CC BY-SA 2.0 | Wikimedia Commons |
| Skimz SC255 protein skimmer in clear acrylic, shown as an example of an in-sump skimmer (cropped and resized) | Skimz | CC BY-SA 4.0 | Wikimedia Commons |
| Yellow tangs swimming above purple and green corals in a reef aquarium (cropped and resized) | Cole Bryant | CC BY-SA 4.0 | Wikimedia Commons |
| Many different large-polyp stony corals growing side by side in an aquarium (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Handheld refractometer with its daylight plate open, used to measure salinity (cropped and resized) | Fernando G. (FGM) | CC BY-SA 3.0 | Wikimedia Commons |
| Reef aquarium with anemones, branching corals and small fish at a public aquarium (cropped and resized) | Zibenthius | CC BY-SA 4.0 | Wikimedia Commons |
| Handheld refractometer lying on a white surface (cropped and resized) | CEphoto, Uwe Aranas | CC BY-SA 3.0 | Wikimedia Commons |
| Hand-drawn pencil sketch planning an aquarium, sump and plumbing layout (cropped and resized) | J Wynia | CC BY 2.0 | Flickr |
| Ten-gallon nano reef aquarium with a clownfish, live rock and a sand bed (cropped and resized) | aquarist.me | CC BY 2.0 | Wikimedia Commons |
| Piece of live rock covered in red and yellow coralline growth inside an aquarium (cropped and resized) | Coughdrop12 | CC BY-SA 4.0 | Wikimedia Commons |
| A royal gramma and a Banggai cardinalfish swimming above a sand bed (cropped and resized) | Tony Hisgett from Birmingham, UK | CC BY 2.0 | Wikimedia Commons |
| Brightly coloured open brain and other stony corals in a reef aquarium (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Yellow tang swimming over a clean white sand bed beside dark rockwork (cropped and resized) | Houss 2020 | CC BY-SA 4.0 | Wikimedia Commons |
| Emerald crab feeding on green hair algae growing over aquarium rock (cropped and resized) | aquarist.me | CC BY 2.0 | Wikimedia Commons |
| Reverse-osmosis water filter mounted on a wall, filling a blue storage container (cropped and resized) | Parostoteles | CC BY-SA 3.0 | Wikimedia Commons |
| Handheld refractometer, the tool used to measure aquarium salinity (cropped and resized) | CEphoto, Uwe Aranas | CC BY-SA 3.0 | Wikimedia Commons |
| Skimz SC165 protein skimmer, an example of the in-sump skimmers used on reef aquariums (cropped and resized) | Skimz | CC BY-SA 4.0 | Wikimedia Commons |
| Molly Miller blenny resting on a white PVC fitting in a quarantine aquarium (cropped and resized) | Coughdrop12 | CC BY-SA 4.0 | Wikimedia Commons |
| Diagram of the marine ich life cycle: theront, protomont and tomont stages around a yellow tang (cropped and resized) | Jellyfishgirl | CC BY-SA 4.0 | Wikimedia Commons |
| Green branching coral with pale tips growing among purple coralline rock (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Torch coral tentacles with glowing tips under blue aquarium lighting (cropped and resized) | PilarMeca | CC BY-SA 3.0 | Wikimedia Commons |
| Small coral frags mounted on plugs and arranged on a plastic grid rack (cropped and resized) | Robert Howie (rmhowie) | CC BY-SA 2.0 | Flickr |
| Copepod photographed under a microscope against a black background (cropped and resized) | Andrei Savitsky | CC BY-SA 4.0 | Wikimedia Commons |
| Tangled green strands of Chaetomorpha macroalgae (cropped and resized) | Daderot | CC0 1.0 | Wikimedia Commons |
| Close-up of the ridged surface of a stony brain coral (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Dome-shaped stony corals on a sand bed in a reef aquarium (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Blue-and-yellow spotted wrasse swimming over a green brain coral (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Dense group of corals in a reef aquarium with a small clownfish above them (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Assorted colourful corals photographed against a dark background (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Cluster of Aiptasia anemones on rock; Aiptasia are a common reef aquarium pest (cropped and resized) | Diego Delso | CC BY-SA 4.0 | Wikimedia Commons |
| Pipework, valves and filter vessels above the coral reef tank at a public aquarium (cropped and resized) | Don McCulley | CC BY-SA 4.0 | Wikimedia Commons |
| Zoanthid corals with bright centres photographed under blue light (cropped and resized) | Alex Damske | Unsplash License | Unsplash |
| Hermit crab climbing on rock beside coral polyps (cropped and resized) | RevolverOcelot | CC BY-SA 3.0 | Wikimedia Commons |
| Close-up of the rounded tentacle tips of a bubble-tip anemone (cropped and resized) | Nhobgood Nick Hobgood | CC BY-SA 3.0 | Wikimedia Commons |
| Newly set-up aquarium with pale rockwork arranged on a sand bed (cropped and resized) | Megan Smith (meganleigh) | CC BY-SA 2.0 | Flickr |
| Branching coral frags and a green coral colony growing on a frag rack (cropped and resized) | Robert Howie (rmhowie) | CC BY-SA 2.0 | Flickr |
| Blue tang and foxface rabbitfish swimming among corals in a reef aquarium (cropped and resized) | CHAD WINDHEIM | Unsplash License | Unsplash |
| Small reef tank with clownfish swimming among anemones under blue light (cropped and resized) | Theo Laflamme | Unsplash License | Unsplash |
| Coral aquarium with branching Acropora colonies and a butterflyfish (cropped and resized) | WolfmanSF | CC BY-SA 4.0 | Wikimedia Commons |
| Toadstool leather coral (Sarcophyton) with its polyps retracted and a clownfish beside it (cropped and resized) | Josuevg | CC BY-SA 3.0 | Wikimedia Commons |
| Light fixtures suspended above the coral reef tank at a public aquarium (cropped and resized) | Don McCulley | CC BY-SA 4.0 | Wikimedia Commons |
| Frogspawn coral (Euphyllia divisa) colony with purple-tipped tentacles (cropped and resized) | Gdiggers | CC BY-SA 3.0 | Wikimedia Commons |
| Several marine fish, including a Moorish idol and butterflyfish, swimming near rockwork (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Group of soft corals and polyps growing on rock in a reef aquarium (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Reef aquarium rockwork planted with pink, green and purple corals (cropped and resized) | David Clode | Unsplash License | Unsplash |
| Branching Acropora coral colonies growing in an aquarium (cropped and resized) | Dieter Karner | CC BY 2.0 | Wikimedia Commons |
| Nano reef aquarium with a central rock island, corals and small fish (cropped and resized) | Treetopz | CC BY-SA 4.0 | Wikimedia Commons |
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Images licensed under Creative Commons Attribution-ShareAlike remain available under that same licence. If you are the creator of an image and want the credit changed, please get in touch.