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A new and very gold fish

A new and very gold fish

by Leonard Ho last modified Jun 20, 2018 11:26 PM

Dear Carassius auratus, with all due respect, I think I might deserve your common name more than you do. Sincerely, Pethia sahit

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A new reef micro shrimp named after a hobbit

A new reef micro shrimp named after a hobbit

by Leonard Ho last modified Jun 18, 2018 11:38 PM

This chubby lil' guy is named Odontonia bagginsi. These shrimps live inside sea squirts and are currently only known from the coral reefs of Tidore, Indonesia.

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Sea urchins see with their feet

Sea urchins see with their feet

by Leonard Ho last modified Jun 12, 2018 11:41 PM

Sea urchins lack eyes, but can see with their tentacle-like tube feet instead, previous research has indicated. Now, researchers at Lund University in Sweden have tested their vision in a new study, and shown that while sea urchins have fairly low resolution vision -- it is good enough to fulfil their basic needs.

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Time lapse of Acropora growth

Time lapse of Acropora growth

by Leonard Ho last modified Jun 07, 2018 01:31 AM

Even fast-growing corals such as SPS only lay down millimeters of growth per day. The only way to see their growth "in action" is many weeks of photography stitched together in a time-lapse. Peter Kragh has done exactly this and shares his results.

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A new invention safely brings deep-water fishes to surface

A new invention safely brings deep-water fishes to surface

by Leonard Ho last modified Jun 04, 2018 10:47 PM

Fishes collected from deep waters require time-consuming decompression to bring them to the surface healthy and alive. Now a new invention called SubCAS - designed and first built by Matt Wandell! - allows divers to to safely and efficiently surface fishes within a pressurized chamber.

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An Amazon Aquarium at Amazon.com

An Amazon Aquarium at Amazon.com

by Leonard Ho last modified May 31, 2018 12:30 AM

With the support of the world's largest ecommerce website, aquarium systems designer Tenji Aquarium has built some of the world's most remarkable aquatic exhibits we've laid eyes on.

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The BIOTOPE AQUARIUM Project

The BIOTOPE AQUARIUM Project

by Leonard Ho last modified May 17, 2018 02:29 PM

The BIOTOPE AQUARIUM Project aims to create the first multilingual interactive mobile app to help aquarists recreate habitats as close to nature as possible.

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The ultimate vacation destination for reef lovers?

The ultimate vacation destination for reef lovers?

by Leonard Ho last modified May 16, 2018 11:30 PM

How would you like to vacation in the Maldives ... living UNDERWATER with the corals and reef fishes? This dream vacation can be yours for the reasonable cost of only $50,000. PER NIGHT.

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The blue-throated fairy wrasse: a new species

The blue-throated fairy wrasse: a new species

by Leonard Ho last modified May 14, 2018 11:37 PM

At a cursory glance, we tend to lump similar-looking reef fish into a monolithic species and chalk up differences as variants. But upon closer examination, we are finding sufficient distinction to satisfy the description of a new species. Cirrhilabrus cyanogularis is a case in point.

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Schooling fish expend less energy due to flow dynamics

Schooling fish expend less energy due to flow dynamics

by Leonard Ho last modified May 10, 2018 01:06 AM

We all know fish school for defense against predators. Schooling also enhances foraging success and increases success in finding a mate. Now new advanced hydrodynamic modeling proves that schooling also increases swimming efficiency.

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Hypnotizing coral time-lapse

Hypnotizing coral time-lapse

by Leonard Ho last modified May 07, 2018 01:22 AM

Technology is awesome! It is allowing us to view corals in ways we could not have imagined just a couple of decades ago. After over 50 hours of shooting and editing, Elite Reef Denver composed this mesmerizing time-lapse of some of the most popular corals.

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New fun fact: Corals can produce omega-3 fatty acids

New fun fact: Corals can produce omega-3 fatty acids

by Leonard Ho last modified May 02, 2018 11:38 PM

The generally held principle is that animals get their omega-3 fatty acids from plants and microbes (algae and bacteria), but new research has found that some marine animals such as corals, worms, and molluscs can also produce omega-3!

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A new, slender Aussie rainbow fish species

A new, slender Aussie rainbow fish species

by Leonard Ho last modified May 01, 2018 12:05 AM

Cairnsichthys bitaeniatus is a new species of rainbowfish described from an apparently-isolated population in the Daintree rainforest in northeastern Queensland, Australia.

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Microbe populations in saltwater aquariums highly dynamic

Microbe populations in saltwater aquariums highly dynamic

by Leonard Ho last modified Apr 26, 2018 01:28 AM

In closed systems without water changes, scientists hypothesized that microbial composition would stabilize and become relatively homogeneous and static. However, a new, first-of-its-kind 14-month study of Gerogia Aquarium's Ocean Voyager exhibit tells a different story.

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Hermit crabs that blanket themselves with anemones instead of shells

Hermit crabs that blanket themselves with anemones instead of shells

by Leonard Ho last modified Apr 23, 2018 02:14 PM

Just about every hermit crab species seeks mobile shelter within empty shells. Not blanket-hermit crabs. These oddball crustaceans have developed a special relationship with anemones where anemeones directly wrap around their bodies like ... well, blankets. Five new species - discovered in 1888! - have just been described.

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Forecasting the fate of corals

Forecasting the fate of corals

by Leonard Ho last modified Apr 20, 2018 12:20 AM

Many of us concerned about climate change's effect on corals have wondered how long corals might survive rising ocean temperatures. Researchers studying Acropora millepora believe this SPS can adapt to 100 to 250 years of rising sea temperatures due to how common they are. Common = genetic diversity = adaption. Rarer corals are not likely to adapt as well.

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Massive 9-foot Amazon driftwood hardscape

Massive 9-foot Amazon driftwood hardscape

by Leonard Ho last modified Apr 18, 2018 01:36 PM

Readers know Advanced Aquarist loves reporting science. Sadly, we have seen a precipitous decline in the number of aquatic-related studies published over the past couple of years. Fortunately, aquarists are still creating amazing aquariums that inspire.

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Orphek launches powerful strip LED lights

Orphek launches powerful strip LED lights

by Leonard Ho last modified Apr 16, 2018 12:49 AM

Orphek is now shipping their new OR Bar LED Light. Available in 3 different lengths (24, 35, and 48") and five different fixed spectrums, these are not your average strip lights. Ranging from 55 watt to 108 watts, the OR Bar LEDs are sure to output a lot of PAR!

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A new freshwater goby that gives any reef fish a run for its money

A new freshwater goby that gives any reef fish a run for its money

by Leonard Ho last modified Apr 13, 2018 12:13 AM

Rhinogobius maxillivirgatus is a new goby species described from freshwaters of Anhui Province in Eastern China. While we generally (and rightfully) perceive reef fish as more colorful, there are many freshwater fish that are very colorful.

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Perhaps it's time to hold off buying Aussie fish

Perhaps it's time to hold off buying Aussie fish

by Leonard Ho last modified Apr 09, 2018 12:00 AM

The Great Barrier Reef has been hit by two consecutive years of devastating severe bleaching events. A new study shows that not only are corals being wiped out but so are reef fishes that rely on corals for food and shelter. Australia's fish populations could benefit from any relief in pressure.

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