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Tag: "aquarium" at biology news

Fish can determine their social rank by observation alone, study finds

...ar square tank and in a new setting--a rectangular aquarium with three adjacent compartments. In each test, a bystander was placed in the middle compartment between two sets of rivals that he had never seen together--A and E (AE), and B and D (BD). At this point in the experiment, all the rivals had recovered...

First Biodiversity Census of coral reef ecosystems in the NW Hawaiian Islands

...y not be as charismatic as monk seals, or colorful aquarium fish (until you look under a microscope), they form the complex tapestry that supports the existence of the larger animals, and changes in their abundance or diversity are often the first indicators of environmental impacts or changes. These groups o...

Renewed dolphin slaughter prompts new campaign

... and Futo, a consortium of scientists and zoo and aquarium professionals has launched a campaign to end the practices through public awareness and by appealing to the government of Japan to put an end to the hunts. The "Act for Dolphins" campaign--which includes members from The New York Aquarium, Emory Univ...

Female guppies risk their lives to avoid too much male attention

...ty of Leeds suggest that female guppies, a popular aquarium fish, may risk their lives to avoid too much attention from males. Observing wild population of guppies in the rainforest of Trinidad, the researchers found that female guppies swim in habitats that contain few males ?but many predators. "Male guppi...

Some like it hot: Worms at deep-sea vents favor a fiery 45-55°C

...laced them within a special high-pressure seawater aquarium with a sharp temperature gradient, these worms chose to remain at roughly 50 degrees Celsius for the duration of a seven-hour experiment. "This is far longer than animals have survived other thermo-tolerance studies, where scientists exposed individ...

IMF Launches World’s First DNA Database for Myeloma Patients

...tofish females, where each female was placed in an aquarium having two videos playing side-by-side at one end of the aquarium. One video was of a male mosquitofish with an average gonopodium; the other was of a male with a 15 percent larger one. This forced a female to make a pre-mating sexual selection. Afte...

Certain fish have a special mating preference

...tofish females, where each female was placed in an aquarium having two videos playing side-by-side at one end of the aquarium. One video was of a male mosquitofish with an average gonopodium; the other was of a male with a 15 percent larger one. This forced a female to make a pre-mating sexual selection. Afte...

Undesirable expatriates: Preventing the spread of invasive animals

Reconsider relocating aquarium fish into your backyard pond. Restrain yourself from ordering exotic pets off the Internet, no matter how interesting they might look in the pictures. And vote for politicians that encourage sound port inspection. Because, according to recent Proceed...

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