thalássia: 'of the sea'


Thalassia Environmental is a marine and underwater field and media services company founded by Markus Thompson (MSc. RPBio.) – a marine ecologist and self described ‘curious biped primate’ with 20+ years of professional experience in coastal conservation, wilderness and wildlife photography, and marine research. Thalassia is located on Quadra Island, providing professional services to clients throughout coastal British Columbia. 


Scientific Diving

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Marine photography, habitat and species assessments, substrate mapping, underwater, surface, and aerial video and photography.

Wilderness Cinematography

Specializing in remote access wilderness and wildlife cinematography for conservation and marine research in coastal British Columbia

Marine Research

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Design and implementation of marine ecology and fisheries related surveys and experiments. Scientific data and sample collection.