Glass sponge reefs are unique to the coast of British Columbia, Canada. They represent a living window into the past where sponge reefs once dominated the Jurassic, but disappeared after the Cretaceous.

Today, reefs create habitat for a diverse community of other animals, several of which are commercially important (crustaceans and fish).

Unfortunately, these reefs are not federally protected as marine protected areas. Some reefs, 9000-years old, could potentially be destroyed by fishing activity that frequently occurs on the Pacific coast of Canada.

Video compilation credit: Jackson W.F. Chu
Video Sources Courtesy of Sally Leys / CSSF-ROPOS

Featured in news coverage:

youtube.com/watch?v=wX6oRYF8fVw
youtube.com/watch?v=pUsGnve18_I (original source vid: vimeo.com/10729821)
globalnews.ca/video/907290/glass-sponge-reef-campaign
news.nationalgeographic.com/news/2013/10/131018-glass-sponge-reef-canada-ocean-science/
cbc.ca/news/canada/british-columbia/jurassic-park-submerged-visited-in-b-c-submarine-dives-1.2074402

For more on the Science of glass sponge reefs:

int-res.com/abstracts/meps/v417/p97-113/
int-res.com/abstracts/meps/v441/p1-14/
onlinelibrary.wiley.com/doi/10.1111/j.1744-7410.2012.00262.x/abstract
plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0027787

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