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

By assimiliating with local fish, immigrant fish increase their survival

By assimiliating with local fish, immigrant fish increase their survival

Sergeant damselfish grewt much faster in mixed shoals in new habitats.

As global ocean temps continue to rise, tropical fish are expanding their range. A new study finds that fish that assimilate with local fish by forming mixed shoals fared much better than fish that stuck to their own species in their new homes.

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Deepwater jewels! Lipogramma schrieri and L. barrettorum

Deepwater jewels! Lipogramma schrieri and L. barrettorum

Lipogramma schrieri

"Mercy in Her Beauty, Or, The Height of a Deliverance from the Depth." Two new, incredibly gorgeous basslets have been discovered in the uber deep waters of the Caribbean.

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Three new Melanorivulus killifish species from Brazil

Three new Melanorivulus killifish species from Brazil

Melanorivulus proximus shares much physical similaries with its cohabitating congenor, M. scalaris.

Three new species of killfish are described from Cerrado savannas of central Brazil, a lush tropical region renowned for its biological diversity: Melanorivulus proximus, M. nigromarginatus, and M. linearis.

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Tetrapod plugs can dramatically improve coral outplanting

Tetrapod plugs can dramatically improve coral outplanting

Tetropod plugs wedged into coral reefs.

A recent research concluded that instead of trying to affix large coral frags directly to reef substrate, using tetrapod plugs seeded with sexually propagated corals doubled the survival rates and resulted in a whopping 5 to 18 fold reduction in outplanting costs.

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Emotional states discovered in fish

Emotional states discovered in fish

Credit: Ines Bravo, IGC.

The occurrence of emotions in animals has been under debate. Now, a research collaborative has demonstrated for the first time that fish have emotional states triggered by the way they perceive environmental stimuli. This study, published in Scientific Reports, reveals that the ability to assess emotional stimuli may have a simpler neurological basis than expected, which was conserved throughout animal evolution.

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A Passion for Paludraiums

Minh Ho's has a gift for creating captivating paludariums. There's something special about seeing a slice of habitat where land meets water.

Ringing in the new year with the first new fish species of 2018

Ringing in the new year with the first new fish species of 2018

Aphyosemion cyanoflavum

Aphyosemion cyanoflavum, the blue and gold killifish, is the first newly described fish species of 2018. As with other species in this genus, it is a gorgeous killifish from Africa.

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From picturesque landscape to living aquascape

The professional French aquascaping team of Aquarilis Aquatic Design reproduces picture-perfect landscapes into real-life aquascapes in stunning fidelity.

Firefighters are awesome!

Mountain View Fire Rescue really went above in beyond. After putting out a house fire in the town of Mead, Colorado, the firefighters stayed behind to save the aquarium fish, too. Respect!

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Hydrozoan + Coral symbiosis

Hydrozoan + Coral symbiosis

Hydrozoan polyps living on coral surface. Credit: S. Montano, Milan-Bicocca University

Here's a reef symbiosis you've likely never heard about. Tiny hydrozoan polyps that sit on the surfaces of stony corals can help keep corals safe from predation and infection.

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Tiny Treadmills Help Test Sea Turtle Hatchling Stamina

To determine how well the sea turtle hatchlings could perform after their walk on the treadmill, the hatchlings swam in a small tank using a specially designed swimsuit.

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Soft coral tanks are far too underrated

If there are two things reefkeepers have proven they love, it's challenge and gear. As such, many seasoned aquarists thumb their noses at low-maintanence, low(er)-tech soft coral tanks. But if you ask me, a beautiful reef aquarium without the fuss is all good.

Cirrhilabrus greeni, the new sunset fairy wrasse

Cirrhilabrus greeni, the new sunset fairy wrasse

Cirrhilabrus greeni n. sp, male. Photo by M.P. Hammer

A new, vibrant red and yellow fairy wrasse is described from the eastern Timor Sea of Northern Australia. The new species may be a glimpse of evolution in action as it appears to be either a product of recent divergence or hybridization.

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BioGlo - The Bioluminescent Aquarium

Dinoflagellates are usually the bane of marine aquarists, but what if you design an aquarium specifically to display bioluminescent dinos? The BioGlo does exact that ... and it's magical!

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Some Zebrasoma tangs have serrated scalpels

Some Zebrasoma tangs have serrated scalpels

Some scopas tangs use flat blades. Some use serrated blades.

Tangs, AKA surgeonfish, are known for their scalpel-like caudal spines located on their tail peduncles. On tangs with retractable spines such as Zebrasoma and Acanthurus, the scalpels are thought to be flat blades. But researchers have found that on a few scopas tangs, the spines actually have forward-swept serrations.

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