"Our wonderful, beautiful friend, brother, amazing uncle and father to Aihana."
The family have asked for privacy.
New Zealand Rugby said Kiwi teams, the Chiefs, the Crusaders and the Blues, along with referees, will wear black arm bands at their respective games in Hamilton and Brisbane tonight and Argentina in the morning.
The Blues' next home game is at North Harbour Stadium, Tamoaieta's home ground, next Saturday, which is expected to be a special occasion to remember him.
Among the international tributes flowing on social media, the Metro Lions American Football Club said: "Our heartfelt condolences to Mikey's family during his sudden and tragic passing yesterday".
"We are deeply saddened and shocked by this terrible news. Mikey made an impact for our Metro Juniors as a powerful runner and blocker, with club members knowing him off the field through his infectious smile and personality."
Our heartfelt condolences to Mikey’s family during his sudden and tragic passing yesterday. We are deeply saddened and...
Posted by Metro Lions American Football Club on Friday, March 1, 2019
Musician Junior Soqeta wrote: "I'm so shocked right now my brother. All I can say is thank you. Thank you for being a true brother who would spread nothing but joy, love and light to those around you."
On Twitter, Papatoetoe Rugby club said it was shocked to hear the news of the passing of the former Grammar Tec Rugby Club player.
Other condolences came from Australia, Pacific Rugby, Japan, and all across New Zealand.
Earlier Blues chief executive Michael Redman said the Blues were stunned by the news and deeply saddened at his death.
"Michael was a talented athlete and our focus is to offer our support and sympathy for the family, and we are supporting our team and staff, some of whom are currently overseas."
North Harbour Rugby general manager David Gibson said: "Our deepest sympathy goes to Michael's partner Helen, his daughter Aihana and his family at this difficult time. He will be dearly missed."