‘otherworldly’-glass-sponge-reefs-off-bc.-featured-in-new-documentary

‘Otherworldly’ glass sponge reefs off B.C. featured in new documentary

glass sponge reef

Deep beneath the surface of Howe Sound, northeast of Vancouver, there are 17 rare glass sponge reefs — rich ecosystems created by the sponges over thousands of years. The reefs were thought to be extinct until they were discovered off B.C.’s coast in the late 1980s.

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