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

Advanced Aquarist wallpaper: "The Odd Couple"

Here is another gorgeous 1920x1080 reef wallpaper by photographer Mitchell Brown. A blue damsel and longnose hawkfish pose for the camera (and of course the damsel tries to steal the spotlight).

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Some creatures use electricity and vibrations in sex (and this can be dangerous)

Some creatures use electricity and vibrations in sex (and this can be dangerous)

Finding mates using electric signals. Derek Ramsey, CC BY

Most animals use touch, smell, hearing, taste and sight to identify and attract a mate (that goes for humans too). But some species [like Ghost knifefish] have additional and unusual weapons in their sexual armoury – the ability to sense vibrations and electric signals which indicate that a similar creature is in the vicinity.

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What type of betta do you have?

What type of betta do you have?

A stunning betta at the International Betta Competition

Bettafish are often lumped together as generic bettas at your LFS. But there are many different varieties of bettas. Here are excellent references that helps ID the type of betta you own (or may be interested in). Know your betta!

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Are yellow tangs the most acrobatic fish?

There are many reports of seemingly healthy yellow tangs (Zebrasoma flavescens) doing back flips and even swimming upside. As far as we know, there is no explanation for this strange and awesome behavior.

Here is a video of a yellow tang doing what appears to be voluntary back flips.  The specimen appears fat, disease-free, and not under any distress.  The owner report his tang performs its circus act randomly and irregularly (says the owner: "He just gets in his silly moods sometimes and does this.")

https://www.youtube.com/watch?v=knEBiSyP7ko

There are many more anecdotal accounts of yellow tangs performing similar "tricks"; just do a search for "tang flips" in any saltwater aquarium forum.  A year ago, Reefbuilders reported about a yellow tang that seems to enjoy swimming upside down (video below).

What is it about this species that makes them perform these strange acrobatic feats?  Is this just yellow tangs having fun?  Showing off?  Fighting their reflections?  Buoyancy problems?  There are not enough reports (both in captivity and in the wild) to say these acts are natural behaviors for yellow tangs.  Yet, there are too many reports to think these acts are isolated phenomenons.

https://www.youtube.com/watch?v=WgA1BpA8RaE&x-yt-ts=1421914688&x-yt-cl=84503534&feature=player_embedded

Mystery "tall, short-bodied" anthias

Mystery "tall, short-bodied" anthias

Looks like a compressed anthias, doesn't it?

We have a head scratcher. Christina Jayne of Union City (CA) LFS Baja Reef photographed this anthias or perchlet acquired at a wholesaler. But what species is it? Is it a hybrid? A juvenile of a large fish? A deformity? Unfortunately, the wholesaler did not have any information about this specimen.

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Advanced Aquarist Wallpaper: Bradley's Acorpora lokani

We will be publishing Bradley Syphus' Featured Aquarium article this Wednesday. To whet your appetite, here is a new macro wallpaper featuring his luscious A.lokani.

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Massive single coral colony observed in Japan

Massive single coral colony observed in Japan

Divers for scale

Off Okinawa, divers discovered what is possibly the largest single coral colony ever documented in Japanese waters. The herculean coral, a Pavona clavus, measures an astounding 24 meters (78 feet) in length, 17 meters (55 feet) in width, and ten meters (33 feet) in height.

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Newly described Pleco named after Star Wars character

Newly described Pleco named after Star Wars character

Peckoltia greedoi (preserved specimen)

As if discovering three new species of loricariid catfish wasn't awesome enough, the researchers named one of the new species after the Star Wars character, Greedo. Yup, that green alien bounty hunter Han Solo blasts at the Cantina.

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Coral reef symbiosis: Paying rent with sugar and fat

Coral reef symbiosis: Paying rent with sugar and fat

Captive farmed Pocillopora damicornis used in zooxanthellae/coral symbiosis research. © Déodat Manchon

Powering coral reefs: Scientists have revealed how coral-dwelling microalgae harvest nutrients from the surrounding seawater and shuttle them out to their coral hosts, sustaining a fragile ecosystem that is under threat.

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Ecotech introduces a new generation of VorTech pumps

Ecotech Marine has announced completely new models for their entire line of VorTech pumps. The new pumps are called the VorTech QuietDrive (QD) and marketed as more efficient with up to 40% more output and 90% less motor noise. No, that's not a typo. We distill all the useful information about the exciting evolution of the VorTech.

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More reef life magic captured on film

Italian filmmaker Sandro Bocci has produced an intoxicating five minute short film featuring aquarium reef life. His film "...meanwhile...." features clams, zoas, fungia, brain corals, and many more – all captured in eerie high def, high magnification time-lapse.

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Study finds stony corals eat plastic!

Study finds stony corals eat plastic!

Stylophora sp.

A recent study discovered that scleractinian (SPS/LPS) corals ingest microplastics at the same rate they consume plankton. Corals may be confusing plastic for food. The study concludes that microplastic may potentially impair a coral's health. If true, this could have big implications for reefkeepers.

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Coral Morphologic latest audio/visual reef spectacular, "Coral City"

Blending art, science, reefs, and conservation into one cohesive mesmerizing vision: This is the hallmark of Colin Foord and Jared McKay's work at Coral Morphologic. Their latest 30 minute film features new, jaw-dropping macro footage, gives us a glimpse into the fascinating minds of the dynamic duo, and shows people why coral reefs are so awesome and worth protecting.

Advanced Aquarist Wallpaper: "Rainbow Eyes"

Advanced Aquarist Wallpapers are back! Photographer Mitchell Brown is once again graciously providing us stunning high def reef aquarium images. Add a splash of colorful sealife to our screens with this Longnose Hawkfish, Oxycirrhites typus.

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Inspiration: Elegant panoramic planted aquascape

This aquascaper utilizes all six feet (2 meters) of his in-wall tank to incredible effect: A classic split composition with dramatic driftwood interlacing the negative space in between, punctuated by lovely backlighting.

72" x 18" x 24" planted aquascape at day 30:
https://www.youtube.com/watch?v=-vhPrvqpFf4

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