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cover art for Ultramarine: the science of our oceans and waterways

Ultramarine: the science of our oceans and waterways

Dive into science


Latest episode

  • 2. Saving the Sydney Seahorse

    23:10||Season 1, Ep. 2
    Host David Boldeman explores the underwater world of the Sydney Seahorse (Hippocampus whitei) with marine expert Patrick Noble from Sea Life Sydney Aquarium. This small, endangered species is the only seahorse listed as threatened in Australia, and Patrick shares the incredible science and conservation efforts working to save it.

More episodes

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  • 1. How to keep Sydney Harbour Clean

    39:04||Season 1, Ep. 1
    Dive into the crucial issue of ocean pollution and explore real-world solutions with two passionate advocates for marine conservation. Ultramarine hosts David Boldeman and Steven Boldeman are joined by Tom Batrouney, environmental advocate and community lead at Seabin, and Ashley Hayes, Community Social & Environmental Impact Lead at SEA LIFE Sydney Aquarium. Together they unpack how citizen awareness, targeted tech, and collaborative responsibility are key to reclaiming Sydney Harbour’s health.