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Tropical fish evolve at incredible rates but not necessarily the 'right' genes

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Florida State University researchers analyzed the genes from four generations of guppies exposed to changing environments. They discovered that these fish were able to change their gene expression with remarkable speed. However, it was the genes that responded the "wrong way" that evolved most quickly.

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2015 IAPLC results showcases the art of aquascaping

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The 2015 International Aquatic Plant Layout Contest has concluded. We share a few of our favorites along with a link to photos of the top aquascapes judged this year. We suggest you wear a bib before viewing these photos.

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New reef amphipod named after Sir Elton John

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What big arms you have! Leucothoe eltoni is a new crustacean species from Raja Ampat, Indonesia. The tunicate-dwelling amphipod's most striking feature is its massive front appendage. It's also now invasive in Hawaii. It was named after Elton John because, well, the scientist who discovered it simply loves Elton John.

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Innovative Marine builds a better frag rack

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Every successful reefkeeper inevitably becomes a coral farmer, so the demand for better fragging equipment certainly exists. Innovative Marine has developed three new frag racks - called AUQA Gadget ReefRacks - to aid propagation.

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Female tropical fish says no to sex by growing a "penis blocker"

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How does a tropical female mosquitofish let horny, unwanted suitors know she isn't interested in sex? The females grow differently sized and shaped genitalia!

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Only the third ever sighting of ultra rare nautilus species

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Chambered nautilus are infrequently seen, but Allonautilus scrobiculatus is an especially rare species which has not been seen for over 30 years. Biologist Peter Ward sighted and photographed this supremely rare reef creature at Papua New Guinea.

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Gorgeous mixed reef, potato quality video

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This is Frank's absolutely incredible reef tank in glorious low def. Important Public Service Announcement: Always shoot videos horizontal. An adorable baby polar bear goes blind every time someone shoots a vertical video.

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MACNA 2016 to be hosted in San Diego, CA

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Going back to Cali ... Next year's Marine Aquarium Conference of North America will FINALLY return to the West Coast for the first time in nearly two decades!

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NMFS will not list Percula Clownfish for ESA protection

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Yesterday, the NMFS announced its determination regarding the petition to list Amphiprion percula as threatened or endangered under the ESA. It found none of the petitioned criteria warranted listing clownfish for protection.

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Innovative Marine launches new Lagoon series 25g and 50g aquariums

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IM's new Lagoon line introduces two more all-in-one aquariums into IM's growing stable of aquarium products as well as new, modern stands with new color selections. The Lagoon product line will be available through Innovative Marine dealers by August 28, 2015.

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A 50,000 gallon "aquarium" in the sky

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Nine Elms is an upcoming luxury apartment building in London (UK) that will feature a Sky Pool: a mammoth 90 ft L x 19 ft W acrylic box suspended over two adjacent high-rise apartment complexes.

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Discount shipping service to ship your livestock

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Are you tired of paying full and expensive retail rates to ship fishes, corals, or plants? A web service provides discounted Fedex shipping rates for hobbyists.

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Fish can infer their social standing through reasoning!

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A fascinating new research discovered that some tropical fish such as cichlids don't need to fight every other fish to determine their social standing. They can infer hierarchy by simply watching the interaction of conspecifics then logically deduce their position in the community.

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Alien green reef worm either gross or beautiful

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A Taiwanese fisherman brought ashore this mysterious bright forest-green worm, presumably a species of ribbon worm (phylum Nemertea). As if the worm wasn't strange enough, it's got an outrageously long, pink "tongue" (AKA proboscis) with a life of its own.

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Beware the dreaded nipple fish attack

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Word to the wise: Do not dangle your bare chest over your aquarium. A fish (like this juvenile green sunfish (Lepomis cyanellus) may mistake your nipple for something delicious.

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