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Social Behaviors in Fish, Part 1: Social Systems and Sex Change

By Ross DeAngelis on Jun 04, 2014 at 09:00 AM

We welcome Ross DeAngelis to our writing team. Ross is currently researching clownfish behavior at the University of Illinois and has recently worked with cichlids at the University of Texas. In the first article of his multi-part blog series, Ross describes the interesting social systems and related sex changes amongst fish.

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Like finding money in your couch cushions ...

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Only instead of couch cushions, we're talking about a reef in the Lower Antilles. And instead of money, we're talking about a relatively rare Caribbean Acropora, A. prolifera. Scientists discovered an unexpected, new, large and healthy A.prolifera reef that wasn't there in 2011.

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Reefkeeping: Old School vs. New School

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These two recently uploaded videos show us the clear contrast between "old school" reefkeeping versus "leading edge" reefkeeping. It also shows us that (as with nature) there is more than one definition of beauty. Different strokes for different folks. Which aquarium is more to your liking?

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3reef.com is back online with a brand new website

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Our friends at 3reef.com have been down for the past week gearing up for a major site upgrade. They're now back online with a completely new and modernized website. Their hard work definitely paid off.

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Yes. It's another Red Sea dive video

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We're about three Red Sea articles away from renaming our website to CrazyForTheRedSea.com. This new dive video affirms what Advanced Aquarist readers should know by now: the underwater landscape at the Red Sea is as surreal and serene as it is breathtaking. Even with its muted colors, the beauty of its exotic shapes is undeniable.

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Giesemann's new Powerchrome T5 bulbs

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Giesemann will start shipping seven new German-made T5 bulbs in July, 2014. Giesemann explains that by using a new blend of phosphors, the new Powerchrome bulbs provide more light output, longer life, and better spectral stability during its life. We share Giesemann's press release after the jump.

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Aqua Illumination's new Hydra TwentySix completes AI's revamped product line

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The AI Hydra TwentySix is essentially a half-sized version of the Hydra FiftyTwo. The new miniaturized LED fixture will feature two of AI's newest 13-LED light puck (totaling 26 LEDs, hence its name) and output 90 watts at maximum setting. The TwentySix will retail for $399, available May 29, 2014.

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Designing the new Cairns Aquarium and Research Centre

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Design work has commenced for the new Cairns Aquarium and Research Centre, scheduled to open in 2016. We love love LOVE the trend of using public aquariums as platforms for avant-garde architectural masterpieces.

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New biodiversity study throws out controversial scientific theory

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Researchers have today released ground-breaking findings that dismiss the ‘Neutral Theory of Biodiversity’. The theory has dominated biodiversity research for the past decade, and been advocated as a tool for conservation and management efforts.

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Maxspect debuts two high-end LED lights: Ethereal and Glaive

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Maxspect is introducing two different advanced LED lights at Interzoo. The Ethereal is a wirelessly controlled, pendant-style lighting system with an integrated clamp mounting arm. The Glaive is designed in a more traditional "light strip" form factor but with a contemporary and sleek style. The Glaive will come with a built-in infrared remote control.

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Building a new Super Mario Bros. LEGO aquarium

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Inspired by a previous version of this concept, Kelsey Kronmiller decided to build a Super Mario Bros themed aquarium of her own. She shares with us some of the build process of an aquarium any nerd would be proud of.

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Interdependency on reefs start from a coral's birth

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Coral reefs are perhaps nature's best example of a highly intertwined and co-evolved ecosystem. For example, we all know about the intimate and life-sustaining relationship between coral and their symbiont algae. But a coral's reliance on other organisms begins much earlier than that. The settlement of coral larvae demonstrates an even more remarkable interdependency.

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ARTICLE

Photosynthetic Efficiencies of LEDs: Results of Short Term Exposure to LED Lights

By Dana Riddle on May 21, 2014 at 09:00 AM

Dana Riddle studies zooxanthallae exposed to varying intensities and colors of LEDs between 365nm (UV-A) and 657nm (red). The collected data sheds light on how different spectra affect photosynthesis and the Xanthophyll Cycle, helping us to better understand how corals use and respond to light.

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Jellyfish walk-through archway twin aquariums

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When Aqua Planet Islan in South Korea opened last month, the public aquarium treated guests to these two amazing 1200 gallon walk-through jellyfish aquariums designed by aquarium fabricator Tenji, Inc. Lots of thought went into making such a radically shaped tank practical for sustaining jellyfish.

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The spot-tail golden bass: A new fish species from deep reefs of the southern Caribbean

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Smithsonian scientists describe a colorful new species of small coral reef sea bass from depths of 182–241 m off Curaçao, southern Caribbean. With predominantly yellow body and fins, the new species, Liopropoma santi, closely resembles the other two "golden basses" found together with it at Curaçao: L. aberrans and L. olneyi.

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