Somewhere off Ribbon Reef #10 right now, a boat is drifting in current with lines out, waiting for a shape to appear at the edge of visibility. Every June and July, dwarf minke whales move through this stretch of the far-northern Great Barrier Reef in one of the only predictable, in-water encounters with this species anywhere on Earth, and 2026 marks the 31st consecutive year that Mike Ball Dive Expeditions has run these trips in direct partnership with James Cook University's Minke Whale Project (MWP).
Divers contribute an estimated 50,000 underwater photos a season to this whale research project — your holiday snaps are real data.
The animals themselves are smaller than most people expect, growing to around 8 metres and 5-6 tonnes, and the encounters can be extraordinary: a typical interaction runs two to three whales for roughly 90 minutes, but researchers have logged pods of up to 28 whales and single encounters stretching past 10 hours. Since these swim-with trips began in 1996, operators report a 98% success rate for guests actually getting in the water with whales during the season, though as with any wild-animal encounter nothing is guaranteed.
Citizen Science at 90 Minutes a Dive
What makes this season more than a bucket-list trip is the research riding alongside it. The Minke Whale Project, which just wrapped its 30th field season in 2025, runs a long-term photo-identification study built substantially on citizen science: MWP researchers estimate on the order of 50,000 underwater images are contributed each season, many of them shot by the divers and snorkellers themselves rather than the scientists on board. For 2026, the project has released a new whale sighting sheet so visiting boats and independent divers can log encounters directly into the dataset.
It's a rare case where a bucket-list wildlife encounter is also a functioning research pipeline, one that has previously helped confirm individual whales travelling nearly 3,000 kilometres down to the Sydney continental shelf, and it's part of why the Great Barrier Reef's swim-with-minke program has been recognised as a world's-best-practice model for whale ecotourism management. If you're diving the Ribbon Reefs or Cod Hole this month, your photos aren't just souvenirs, they're a genuine contribution to one of the longest-running whale studies of its kind.
Image credit: Dwarf minke whale swimming underwater