Cover of CORAL Magazine Volume 18, Issue 5 – SOLAR SYMBIONTS – September/October 2021. On the cover: “Zooxanthellae” cells: Frank Fox/Science Photo Library. Background: Ricordea yuma Mushroom Coral: Michael Vargas.
Cover of CORAL Magazine Volume 18, Issue 5 – SOLAR SYMBIONTS – September/October 2021. On the cover: “Zooxanthellae” cells: Frank Fox/Science Photo Library. Background: Ricordea yuma Mushroom Coral: Michael Vargas.

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HEREWITH, a sampling of articles and opening pages for readers curious about what the issue brings.


 Table of Contents for the September/October 2021 issue of CORAL Magazine. You can view this TOC online.
Table of Contents for the September/October 2021 issue of CORAL Magazine. You can view this TOC online.
"'Look deep into nature,' Albert Einstein once advised, 'and then you will understand everything better.' In that spirit, this issue comes to us thanks to some 140 years of curious biologists looking deeper into the lives of corals and other marine animals that harbor tiny, micro-algae cells known to most of us as zooxanthellae." - James Lawrence, introducing the SOLAR SYMBIONTS issue of CORAL Magazine.
‘Look deep into nature,’ Albert Einstein once advised, ‘and then you will understand everything better.’ In that spirit, this issue comes to us thanks to some 140 years of curious biologists looking deeper into the lives of corals and other marine animals that harbor tiny, micro-algae cells known to most of us as zooxanthellae. – James Lawrence, introducing the SOLAR SYMBIONTS issue of CORAL Magazine.
 REEF NEWS presents findings and happenings of note in the marine world. In this issue: Our first look at the success in captive-breeding the Copperbanded Butterflyfish, Chelmon rostratus; Scientists find dramatic differences in reef fish species' tolerance to rising water temperatures; Moray eels discovered leaving the sea to hunt and feed on land; Artificial light at night (ALAN) causes increased mortality among juvenile clownfish on nearby reefs.
REEF NEWS presents findings and happenings of note in the marine world. In this issue: Our first look at the success in captive-breeding the Copperbanded Butterflyfish, Chelmon rostratus; Scientists find dramatic differences in reef fish species’ tolerance to rising water temperatures; Moray eels discovered leaving the sea to hunt and feed on land; Artificial light at night (ALAN) causes increased mortality among juvenile clownfish on nearby reefs.
REEF VISIONS: A portfolio of extraordinary reef life spotted in the current aquarium trade. In this issue, photographer Michael Vargas wows us with a stunning Cornbred Flaming Unicorn Acropora, photographed at Mythical Corals, as the opening spread.

REEF VISIONS: A portfolio of extraordinary reef life spotted in the current aquarium trade. In this issue, photographer Michael Vargas wows us with a stunning Cornbred Flaming Unicorn Acropora, photographed at Mythical Corals, as the opening pages of the column. Many more surprises are in store as you turn the pages.

In our first cover story, Solar Symbionts, John E. Parkinson, Ph.D., and Todd C. LaJeunesse, Ph.D., cast new light on the ancient partnership between reef-building corals and the micro-algae known as zooxanthellae, family Symbiodiniaceae.
In our first cover story, Solar Symbionts, John E. Parkinson, Ph.D., and Todd C. LaJeunesse, Ph.D., cast new light on the ancient partnership between reefbuilding corals and the micro-algae known as zooxanthellae, family Symbiodiniaceae.
Coral contributor Scott W. Michael shares a detailed review of some of the most eminently suitable sharks for the home saltwater aquarium; the Epaulette Sharks of the genus Hemiscyllium, often considered to be the walking Elasmobranchs.
Coral contributor Scott W. Michael shares a detailed review of some of the most eminently suitable sharks for the home saltwater aquarium; the Epaulette Sharks of the genus Hemiscyllium, often considered to be the walking Elasmobranchs.
Our Aquarium Portrait for this issue features Melev's Reef, better known as the reef aquarium of veteran hobbyist and industry insider Marc Levenson of Fort Worth, Texas. It's a unique collaboration and format for the Aquarium Portrait, featuring the photography of Michael Vargas and the story of Melev's Reef shared through an interview with Levenson by Matt Pedersen. You can read this article now, for FREE, in a rare and exclusive online except from CORAL Magazine!
Our Aquarium Portrait for this issue features Melev’s Reef, better known as the reef aquarium of veteran hobbyist and industry insider Marc Levenson of Fort Worth, Texas. It’s a unique collaboration and format for the Aquarium Portrait, featuring the photography of Michael Vargas and the story of Melev’s Reef shared through an interview with Levenson by Matt Pedersen. You can read this article now, for FREE, in a rare and exclusive online except from CORAL Magazine!
Magical Mushrooms? If you're talking about Ricordea spp. corallimorphs, then the photography of Michael Vargas will absolutely have you believing in magic as you learn all about these captivating mushroom corals in our Species Spotlight.
Magical Mushrooms? If you’re talking about Ricordea spp. corallimorphs, then the photography of Michael Vargas will absolutely have you believing in magic as you learn all about these captivating mushroom corals in our Species Spotlight.
Reefkeeping 101 features the second installment of Dr. Deiter Brockman's Good Fish, Bad Fish. Learn how to quell the must-have impulse at your local aquarium shop, and instead make smart livestock decisions for your reef tank.
Reefkeeping 101 features the second installment of Dr. Deiter Brockman’s Good Fish, Bad Fish. Learn how to quell the must-have impulse at your local aquarium shop, and instead make smart livestock decisions for your reef tank.
Dr. Timothy A. Hovanec offers a fresh look at the microbes in a healthy reef system as we reexamine nitrification in marine aquariums from the ground up. It's an Advanced Aquatics read you won't want to miss.
Dr. Timothy A. Hovanec offers a fresh look at the microbes in a healthy reef system as we reexamine nitrification in marine aquariums from the ground up. It’s an Advanced Aquatics read you won’t want to miss.
 Looking for CORAL? Find current and hard-to-find back issues from these destination independent aquarium retailers! You can find our current sources in each issue, as well as online!
Looking for CORAL? Find current and hard-to-find back issues from these destination independent aquarium retailers! You can find our current sources in each issue, as well as online!
"The interplay of corals and their many symbionts and pigments is an area where reef aquariums could be an important component of scientific research," says Daniel Knop as he reflects on the SOLAR SYMBIONTS issue.

“The interplay of corals and their many symbionts and pigments is an area where reef aquariums could be an important component of scientific research,” says Daniel Knop as he reflects on the SOLAR SYMBIONTS issue.


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