Female stingrays use electricity to choose potential mates, new research shows. Source: AAP
FEMALE stingrays use electricity to decide whether an approaching male is a potential mate or to be avoided, new research shows.
The study by the University of Western Australia's Oceans Institute researched stingrays' use of electroreception in identifying mates, and has been published in the journal Brain, Behaviour and Evolution.
It found female blue spotted stingrays had more electrosensory nerve axons entering their brains than their male counterparts - and used them to their advantage.
It was discovered the nerve axons allowed for improved electrosensitivity and helped females identify suitable mates.
"Because it's the males that usually approach the females for mating, the extra electrosensory clues that females receive may allow them to distinguish mates from predators," author and shark biologist Ryan Kempster said.
"Female stingrays may make a calculated decision about whether they should stay and wait for an approaching mate or make an escape before they're spotted by a would-be predator."
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