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.

Despite temperature shifts, treehoppers manage to mate

During the mating season, male treehoppers—small plant feeding insects—serenade potential mates with vibrational songs sent through plant stems. If a female treehopper's interest is sparked, a male-female duet ensues ...

Sneaky mating may be in female damselfies' interest

During the mating season, male damselflies battle fiercely for control of prime territories containing resources—typically patches of floating leaves used for egg deposition in wetlands—that are key to attracting females. ...

Fluorescence discovered in tiny Brazilian frogs

An international team of researchers led by NYU Abu Dhabi Postdoctoral Associate Sandra Goutte was studying the acoustic communications of these miniature frogs. When they discovered that Brachycephalus ephippium could not ...

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, ...

Bashful Tokyo pandas mate after four-year hiatus

Two giant pandas at Tokyo's Ueno Zoo mated for the first time in four years Monday—a 52-second effort that boosted hopes for a baby as well as shares in a nearby Chinese restaurant.

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