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Tag: "gills" at biology news

Salamanders suffer delayed effects of common herbicide

...ge where the water-dwelling salamanders lose their gills and develop lungs that enable them to breathe in air. Scientists then tracked their survival to near reproductive age. Results from the study, which lasted about 500 days, indicated that the two highest concentrations increased salamander mortali...

Virus may control Australia's

... creeks. "The virus works by attacking the carp's gills as well as other vital organs and eventually killing its host. Koi herpesvirus is attractive as a biological control agent as overseas studies suggest that it has a very limited host range, infecting only carp. "If the laboratory studies show promi...

Precision biochemistry tracks DNA damage in fish

... spectroscopy method to document DNA damage in the gills of English sole. In a new joint paper, the resear...rements of specific modifications to DNA from fish gills and livers using liquid and gas chromatography combined with mass spectrometry (LC/MS,GC/MS). Precis...

Don't hold your breath: Carp can manage without oxygen for months

...extraordinary fish can change the structure of its gills to avoid becoming anoxic. In addition its blood has a much higher affinity for oxygen than any other vertebrate, and it makes tranquilizers and produces alcohol when oxygen supplies are limited. These mechanisms allow the fish to survive for days or ...

Thin tough skin, slow-growing gills protect larval Antarctic fish

...in but hardy, unblemished skin and slow developing gills appear to be keys to survival for newly hatched An... more closely, the researchers discovered that the gills of all three species were undeveloped at hatching, minimizing the risk of ice passing through them t...

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