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By admin - Posted Oct 26, 2009 09:10 PM

Discus aquarium therapy

A replica of a knarled, decayed tree trunk. A false rock wall. And eight gorgeous and peaceful discus without a care in the world. When I think of "aquarium therapy," this is what I think of.

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Pseudochromis stellatus: a new Indo dottyback

Pseudochromis stellatus: a new Indo dottyback

Pseudochromis stellatus sp. nov. Photo by M.V. Erdmann.

Pseudochromis stellatus is a new yellow-spotted dottyback from relatively deep waters at Raja Amapt and West Papua Province. Its etymology means "starry," so "starry dottyback" sounds like a fitting common name for this new species.

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Can you get fish high on marijuana ?

Can you get fish high on marijuana ?

THC edibles appear to have no effect on fish.

Scientists have finally answered this age-old, existential question we've all asked ourselves in moments of clarity. It appears that fish do not mellow out on cannabinoids. Oh well.

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Pretty in blue! A new killifish

Pretty in blue!  A new killifish

Austrolebias pelotape sp. nov

Austrolebias pelotape is a newly described seasonal killifish. All known populations of this species are limited to urban areas around the town of Pelotas, Brazil, making this beauty very rare and critically endangered.

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Orphek launches Atlantik V4 Compact LED lights

Orphek launches Atlantik V4 Compact LED lights

The new Orphek Atlantik V4 Compact

Orphek has updated their Atlantik Compact LEDs to "V4" configuration, which means it now shares the 380nm to 850nm (UV to infrared) LED array of its bigger brother.

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Study shows corals can be trained to be tougher

Study shows corals can be trained to be tougher

Stylophora pistillata: A favorite "lab rat" among coral researchers.

My colleagues and I just published a new study about the effect of light on bleaching sensitivity in the reef coral Stylophora pistillata. We found that when corals are exposed to higher light levels, they become more tolerant to high water temperatures.

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Innovative Marine's ChaetoMax refugium LED

Inspired by science and horticultural grow-lights, IM has designed a new refugium light that is optimal for growing chaetomorpha algae in refugiums with a lot of attention paid to a form factor suitable for this particular application.

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An urban aquascape (and a short lesson in creating depth perception)

Yay or nay? Whether or not you are a fan of this unconventional aquascape, you can't deny the aquascaper has skillfully created depth perception using a combination of techniques such as aerial perspective, relative size, and converging parallel lines.

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A new Caribbean snapping shrimp

A new Caribbean snapping shrimp

Alpheopsis paratrigona sp. nov

Shrimp tanks are popular among freshwater aquarists, but marine aquarists largely view shrimps as afterthoughts. Why? It's not as if coral reefs aren't filled with colorful and interesting shrimps such as this newly described snapping shrimp.

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Further evidence that insects evolved from crustaceans

Further evidence that insects evolved from crustaceans

With exceptionally keen vision and the fastest strike in the animal kingdom, mantis shrimp are formidable predators of coral reefs around the world. (Image: Roy L. Caldwell, Department of Integrative Biology, University of California, Berkeley)

Scientists have closely examined the brains of mantis shrimp and discovered a brain structure that was previously only found in insects. The reason why crustaceans and insects resemble each other is increasingly evident: they diverged from the same evolutionary ancestor.

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Lit! Sascha Hoyer's "Aquascaping Home Studio"

We're going to go out on a limb and say your fish room looks nothing like this. Sascha's "Aquascaping Home Studio" is what we all wish our fish rooms could be.

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News flash: Fish have personalities!

News flash:  Fish have personalities!

Every guppy has its own distinct personality. Photo by Gerard Lacz/Rex/Shutterstock

Scientists are finding out what aquarists have long known: fishes have very distinct, complex, and stable personalities. All snarkiness aside, it's important for science to test and validate our anecdotal observations.

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Noise makes it hard for fish to school

Noise makes it hard for fish to school

A school of Pterapogon kauderni

Marine aquarists have all experienced it: Reef fishes that naturally school simply refuse to in captivity? Common theories are that the lack of predators or the relatively small size of aquariums discourage schooling. A new study finds that noise plays a big role. Noisy water = less cohesive schooling.

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Just a hermit crab taking his coral for a walk

Just a hermit crab taking his coral for a walk

Diogenes heteropsammicola sp. nov.

Heteropsammia sp., otherwise known as "walking corals," can scoot around on the substrate thanks to spaghetti worms that live inside the coral's base. Now a new species of hermit crab has been also found to share this special relationship.

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The right amount of Astaxanthin to raise colorful fish

The right amount of Astaxanthin to raise colorful fish

You are (as colorful as) what you eat. Photo by Jenny Hueng.

What fish eat not only determine how well they grow but also how colorful they become. Research helps us understand the optimum concentration of Astaxanthin (the reddish keto-carotenoid compound) in fish food.

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ADVANCED AQUARIST