Listening to the song of the toadfish (w/Audio)

(PhysOrg.com) -- Professor Roger Bland is listening in on one of the noisier creatures in San Francisco Bay, using physics to analyze the mating song of the toadfish. While fish don't have vocal chords, they have innovative ...

Cichlid fish: How does the swim bladder affect hearing?

In bony fish the swim bladder primarily serves for buoyancy Moreover, in many species it also possesses acoustic functions: it plays a role in sound production and improves hearing in numerous ways. Biologists around Friedrich ...

Artificial lung to remove carbon dioxide—from smokestacks

The amazingly efficient lungs of birds and the swim bladders of fish have become the inspiration for a new filtering system to remove carbon dioxide from electric power station smokestacks before the main greenhouse gas can ...

World's rarest cetacean threatened by illegal gillnets

The world's rarest cetacean could disappear in less than four years unless immediate action is taken by the Mexican government to protect it from entanglement in gillnets deployed illegally in its Gulf of California refuge, ...

Researchers complete genome of Antarctic blackfin icefish

An international team has unveiled the genome of the Antarctic blackfin icefish, opening a genetic window on fish that evolved over the last 77 million years to survive in temperatures below the freezing point of freshwater.

Aggressive piranhas bark to say buzz off

Thanks to Hollywood, piranhas have a bad reputation and it would be a brave scientist that chose to plunge their hand into a tank of them. But that didn't deter Sandie Millot, Pierre Vandewalle and Eric Parmentier from the ...

Mexico: at most only 22 vaquita porpoises remain

Experts said Wednesday that at most only 22 vaquitas remain in the Gulf of California, where a grim, increasingly violent battle is playing out between emboldened fishermen and the last line of defense for the smallest and ...

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