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This clip profiles the Pearson College Divers and the invertebrates of a cave on an island a kilometer from Race Rocks. The hydroid species, Tubularia sp. shown near the end of the video is a rare species, which according to Dr. Anita Brinckmann-Voss has so far been found in only two locations; here and in Norway. Note it is growing in association with colonial ascidians. We have observed this species here over the last twenty years. It is very limited in distribution, with no more than one or two polyps appearing at any one time. It's height is 15 cm. Video taken by Pearson College Divers, edited by GF.

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