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

Motorboat noise gives predators a deadly advantage

Motorboat noise gives predators a deadly advantage

The predatory dusky dottyback eyeing up a juvenile Ambon damselfish. Photo credit: Chris Mirbach

The rate that fish are captured by predators can double when boats are motoring nearby, according to pioneering work led by a University of Exeter marine biologist.

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For your bucket list consideration: Four epic underwater restaurants

Eating exotic foods while surrounded by coral reef life – If this sounds like your idea of a dream epicurean experience, here are four restaurants that should make your short must-do list.

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ORA releases aquacultured scooter dragonet; red scooters coming soon

ORA releases aquacultured scooter dragonet; red scooters coming soon

Synchiropus ocellatus

Tally up another commercial breeding success for ORA Farm. They are now offering captive bred scooter dragonets (Synchiropus ocellatus), with red scooter dragonets (Synchiropus stellatus) coming in circa March 2016.

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So clean!

One word comes immediately to mind when watching this video of Chinhooi Tan's "Aquascape Hidden Valley": CLEAN. Both the video quality and the aquarium are impossibly immaculate. Wonderful setup. Wonderful composition. Wonderful video. Bravo!

Potential invasive species identified in S. Gulf of Mexico

Potential invasive species identified in S. Gulf of Mexico

Neopomacentrus cyanomos - an Indo-Pacific damselfish now established in Mexico

New research centers around the diminutive regal damselfish, found in non-native waters in the southern Gulf of Mexico. Damselfish are some of the most beautiful fishes in the ocean, and that's why they are so attractive to those who want a saltwater aquarium in their home or place of business. But there's a bit of a concern when it comes to one damselfish species -- it is starting to pop up in a part of the ocean where it doesn't really belong.

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Fish can get "drunk" on CO2

Fish can get "drunk" on CO2

Photo by Joshua Nguyen

If there is excessive carbon dioxide in seawater, your reef fish may exhibit signs of disorientation similar to a human who's had one too many drinks. This condition is referred to as hypercapnia.

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Deepwater Aquatics is Pacific Sun's new North American distributor

Deepwater Aquatics has reached agreement to become the exclusive North American distributor of European aquarium equipment manufacturer, Pacific Sun, maker of high-end LED and T5 lights as well as advanced dosing systems.

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Shark eats shark

Shark eats shark

Photo courtesy of Getty

Seoul, South Korea – A large 2.2 meter female sand tiger shark did not approve of a smaller 1.2 meter banded houndshark sharing her tank. So she ate him ... in front of a live audience.

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Look at those lovely lips!

Our friends over at BlennyWatcher.com captured photographs and this video of one of the juiciest reef fish lips we've seen. This is Cheiloprion labiatus, the big-lipped damselfish.

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Discovery of first freshwater coralline algae

Up until now, coralline algae was thought to be the exclusive domain of sea and brackish waters. Scientists have now discovered a red calcareous algae that lives strictly in pure freshwater.

fwcoralline2.jpgThe coralline algae, Pneophyllum cetinaensis, was discovered in the Cetina River (Croatia), where it appears to be endemic. The Cetina River is a karst river - a landscape formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum.  As such, the river is rich in dissolved calcium carbonate and a pH similar to seawater, which no doubt allowed coralline to evolve to live here.

The algae was found encrusting on rock and snail shells much the same way as coralline algae behaves on coral reefs.  The newly discovered coralline species is unable to survive in brackish water, meaning it is fully adapted for strict freshwater environments.

The discovery is published in Nature's Scientific Report.

If you're a freshwater aquarist envious of reefkeepers who have to scrap coralline off their glass and gear, your time has finally come.

Photo right: The Cetina River, where the new FW coralline algae was discovered.

Photo bottom: Pneophyllum cetinaensis encrusting various hard substrates, including a FW snail.

fwcoralline1.jpg

Euroquatics E5 LED T5 retrofit lamps now available in the USA

The Euroquatics E5 lamp is an eco-friendly T5 (hence "E5") retrofit employing LEDs housed in T5 form factor. E5 lamps boasts eight year lifespans with little spectral degradation as well as a 45% energy savings over fluorescents. The E5 are available in 2, 3, 4, and 5 feet lengths, all with a 3-year manufacturer warranty.

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The 'High Hill' Aquascape

We visit India for our next aquascaping inspiration. Parthapratim Chakraborty showcases excellent use of jagged rockwork in his dynamic "High Hill" Aquascape.

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Tenji builds Monterey Bay Aquarium colossal quarantine system

We've regularly preached the value of quarantine to ensure healthy fishes. Simply put, quarantine works. This is why public aquariums like Monterey Bay Aquarium set aside immense resources and spaces for quarantine systems.

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EcoTech Marine launches Coral Lab project

EcoTech's product line has vastly expanded since their inception. With all the integration, power, flexibility, and control of their lighting, circulation, and return pumps, EcoTech's Coral Lab sets out to explore the best way to maximize coral husbandry ... and more.

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Minnesota to hold aquarium fish donation drive

Minnesota to hold aquarium fish donation drive

Released goldfish become destructive feral carps.

It may not sound like this article pertains to you, but it does. Aquarium fish are often introduced into local ecosystems as a "humane" way to get rid of unwanted pets. It's hardly humane; quite the contrary, it's highly destructive.

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