Doing it to death: Suicidal sex in 'marsupial mice'

Imagine if you only had one shot at passing on your genes before you died. It happens more often in the natural world than you might expect: suicidal reproduction – where one or both sexes of a species die after a single ...

The pirarucu: the giant prized fish of the Amazon

Its white flesh is tender and tasty, it can measure up to three meters long and weigh more than 200 kilograms: meet the pirarucu, one of the world's largest freshwater fish, and native to the Amazon.

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 ...

Sex obsession a killer for male snakes

An international team of scientists led by the University of Sydney has confirmed a frenzied approach to the mating season is resulting in males ageing faster and dying earlier and in worse condition than their female counterparts, ...

Precopulatory oral sex found in darkling beetles

A team of researchers from China, the U.K. and the U.S. has found that a species of darkling beetles engage in oral sex prior to copulating. In their paper published in the journal Ecology and Evolution, the group describes ...

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