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

Study finds Amazonian fish are more sensitive to ammonia

Study finds Amazonian fish are more sensitive to ammonia

Cardinal tetras: beautiful but delicate.

A study finds that fishes from the Amazon are more sensitive to ammonia compared to congenors from other parts of the world. Cardinal tetras were found to be extremely sensitive while corycats were nearly bulletproof.

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Do captive fish grow slower because of the lack of predators?

Do captive fish grow slower because of the lack of predators?

Photo by Jón Helgi Jónsson

Scientists recently stumbled upon an unexpected finding: Captive fish that were exposed to predators doubled their growth rate! Could our aquarium safe-spaces be stunting the growth of our fish?

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A stunning reef time lapse to begin your week

In 2017, Dr. Tim Wijgerde really upped his time-lapse game and produced some of the best work we've seen. Here is his "best of" video in incredible 4K video quality. As we've said before, reef life is best appreciated with this type of photography.

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Fishkeeping trends mixed

Fishkeeping trends mixed

Saltwater aquariums are on the rise in the USA. Photo by "Tappinen"

Polls tracking pet ownership show that the number of fishkeepers (particularly marine fishkeepers) have increased in the USA over the past five years. However, over the same time period, UK fishkeepers have declined substantially. How is the fishkeeping scene where you live?

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Parapercis altipinnis, a new sandperch from the Philippines

Parapercis altipinnis, a new sandperch from the Philippines

Parapercis altipinnis sp. nov

Parapercis altipinnis is a new species of pygmy sandperch discovered on deep (55-65 meter) rubble zones at Cebu, Philippines. This fish was first spotted in captivity in 2016 - a specimen purchased from a local aquarium in Belgium.

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Lovely forest aquascape

Nigel's aquascape hasn't quite filled out yet, but the "bones" of this fallen forest scenery are already gorgeous. Nigel says he's new to aquascaping. Could have fooled me.

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The iridescent spots found on giant clams inspire biofuel research

The iridescent spots found on giant clams inspire biofuel research

Penn researchers are collaborating to study how giant clams convert sunlight into energy, which could lead to more efficient production of biofuel. Photo credit: Malcolm Browne

Tridacna clams are some of the most colorful reef organisms. Their iridescent spots, called iridophores, not only give them sparkly beauty, but they serve an important function for photosynthesis. Scientists want to mimick this feature of giant clams to improve biofuel production.

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Fire! Cirrhilabrus shutmani is a hot new fairy wrasse.

Fire! Cirrhilabrus shutmani is a hot new fairy wrasse.

Cirrhilabrus shutmani sp nov. Photo by Barnett Shutman (the person for whom the fish is named)

Yi-Kai Tea and Anthony Gill describe a new species of fairy wrasse that is without a doubt one of the reddest fish in the sea. The researchers bestowed it a most approproiate common name: the magma fairy wrasse.

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Corals like the taste of fresh plastic

Corals like the taste of fresh plastic

A white fleck of plastic is engulfed by a coral polyp. (Credit: Alex Seymour, Duke Univ.)

Corals are known to ingest plastic, and now scientists have discovered that corals actually preferred the taste of unfouled microplastics vs microplastics covered with bacteria by a factor of three.

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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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