Crossing the Tideline
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About the show
Latest episodes
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Ep16 | Bull Sharks 101 | Dr Paul Butcher DPI | Crossing the Tideline
October 4, 2026 · 56 minThe word “shark” is often used to describe a broad range of species, but that can overlook some significant differences. Great whites, bull sharks and tiger sharks have different biology, behaviours, movements, diets and population…
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Ep15 | Great White Sharks 101 | Dr Paul Butcher | Crossing the Tideline
September 27, 2026 · 1 hr 33 minThe word shark is often used to describe a broad range of species, but that can overlook some significant differences. Great whites, bull sharks and tiger sharks have different biology, behaviours, movements, diets and population dynamics…
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Ep 14 | ProGuarding: Aaron Graham & Paddy James | Real-World Trauma Training | Crossing the Tideline
September 12, 2026 · 35 minWelcome to Crossing the tideline podcast, Brett Burcher here. In this ep you will Meet Aaron Graham, founder of Proguarding, a company that delivers water safety and medical services to a range of industries. Aaron and his team currently…
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Ep 13 | Lucas & Matt - Surfing NSW | Government Funding & Shark Safety | Crossing the Tideline
August 31, 2026 · 1 hr 29 minLucas Townsend is the CEO of Surfing NSW and has been in the rooms where funding decisions are being made. A Northern Beaches local himself, he understands what communities have been living through and has been pushing for surfer…
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Ep 12 | Anna Breytenbach | Interspecies Communication & Shark Intelligence | Crossing the Tideline
August 16, 2026 · 1 hr 29 minAnna Breytenbach is a South African interspecies communicator. That means she communicates with animals, not through behaviour observation or science, but through direct energetic exchange. She has worked with big cats, elephants, wolves…
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Ep 11 | Dr Riley Elliot | NZ Shark Tracker | Crossing the Tideline
August 2, 2026 · 1 hr 42 minDr Riley Elliott is one of the world's leading shark scientists. Before that he was, and still is, a surfer and diver from New Zealand trying to understand the animals he shared the ocean with. That curiosity has taken him around the…
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Ep 10 | Michael Hoarau | Reunion Island: Bull Sharks, Bans & Lethal Measures | Crossing the Tideline
July 19, 2026 · 1 hr 20 minBetween 2011 and 2019, Reunion Island experienced 30 shark attacks, 11 of them fatal. Bull sharks were responsible for 90% of them, on a small French island of 900,000 people in the Indian Ocean, in the most popular tourist and surfing…
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Ep 9 | Carl Musker | Surfers, Shark Data & the Fight for a Seat at the Table | Crossing the Tideline
July 6, 2026 · 1 hr 22 minThis episode I'm joined by Carl Musker from Sydney's Northern Beaches, one of the most shark-active stretches of coastline in the world right now. A Long Reef Boardriders member for more than 30 years, Carl is part of an alliance of…