A new stoloniferan octocoral from the Mediterranean (Morocco) is described under the name Clavularia carpediem and critically compared with C. marioni Von Koch, 1891 and C. arctica (Sars, 1861). A thorough redescription of the latter species is given. The recent discovery that the common rock-dwelling colonies belonging to a species hitherto referred to as C. ochracea Von Koch, 1878 incubate their eggs on the outside of the polyps, a rather unusual fact among Octocorallia, leads to the synonymy of this species with C. crassa (Milne Edwards, 1848), so far considered a rare species living exclusively as an epibiont on the Mediterranean sea-grass Posidonia oceanica.

Bijdragen tot de dierkunde

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Naturalis journals & series

Weinberg, S. (1986). Mediterranean Octocorallia: description of Clavularia carpediem n. sp. and synonymy of Clavularia crassa and C. ochracea on etho-ecological grounds. Bijdragen tot de dierkunde, 56(2), 232–246.