Underwater hockey is popular in Australia , New Zealand , South Africa and Canada . It 's gaining popularity in the U.S. , but ca n't be ` ` picked up on the radio lot '' like other sports . Playing under pressure . Players try to push a hockey ball at the bottom of a net into goal . ` ` This is for people who are true athletes , '' one player says .
Underwater hockey is popular in Australia , New Zealand , South Africa and Canada . It 's gaining popularity in the U.S. , but ca n't be ` ` picked up on the radio lot '' like other sports . Players try to push a hockey ball at the bottom of a net into goal . ` ` This is for people who are true athletes , '' one player says .