However, Gaualofa is not guaranteed to make the team after a former Paralympics New Zealand senior team selector told him he should focus on bringing his times down and team selection will come later.
Twenty-five-year-old Auckland-based Bay of Islands swimmer Shane Smith broke his Northland open record twice as he record personal bests in the heats and finals of the 50m breaststroke on his way to finishing sixth overall.
Northwave swimmer Melita Raravula, 16, swam six freestyle, breaststroke and butterfly events making three A finals in the 50m, 100m and 200m butterfly events.
Raravula finished with sixth and seventh placings as she broke her own 100m butterfly Northland age group and senior records.
Fellow Northwave swimmer Freyah Ruri, 14, swam eight freestyle, backstroke, butterfly and individual medley events, making the A final in the 200m backstroke to finish in a credible eighth place.
Northland's final swimmer at the event was Northwave's Haydn Jurisich, 17, who finished with two personal bests from his three events.
New Zealand Opens Swimming Championships is the pinnacle event for swimming in this country and was swum in Auckland over six days in mid-March.
