Colony Formation via Sexual and Asexual Reproduction in Salmacina dysteri (Huxley) (Polychaeta, Serpulidae)

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概要

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• Reproduction and colony formation in the tubicolous serpulid polychaete Salmacina dysteri (Huxley) were investigated on the Okinawan coral reef. Numerous individuals of this species aggregate and construct an arborescent pseudo-colony which is formed by physiologically unconnected individuals. This species reproduces both sexually and asexually. The proportion of the two modes of reproduction varied according to the position of individuals in the colony. Growing tips of colony branches included more asexually reproducing worms, while basal or central parts of a colony contained more sexually mature ones. The predominant mode of reproduction in a colony changed with colony size. In colonies with < about 500 worms, asexual reproduction was more frequent than sexual reproduction, but in colonies with > 2, 000 worms, sexual reproduction predominated.

• 社団法人日本動物学会の論文
• 1994-08-15

著者

• Nishi Eijiroh

  Amakusa Mar. Biol. Lab. Fac. Sci. Kyushu Univ.

• Nishihira M

  Tohoku Univ. Sendai Jpn

• Nishihira Moritaka

  Biological Institute Graduate School Of Science Tohoku University

• Nishi Eijiroh

  Amakusa Marine Biological Laboratory Kyushu University

関連論文

• Microhabitat association and temporal stability in reef fish assemblages on massive Porites microatolls
• Age-estimation of the Christmas Tree Worm Spirobranchus giganteus (Polychaeta, Serpulidae) Living Buried in the Coral Skeleton from the Coral-growth Band of the Host Coral
• Colony Formation via Sexual and Asexual Reproduction in Salmacina dysteri (Huxley) (Polychaeta, Serpulidae)
• Use of Annual Density Banding to Estimate Longevity of Infauna of Massive Corals
• COLONY FORMATION IN THE SERPULID, SALMACINA DYSTERI(HUXLEY)(ANNELIDA, POLYCHAETA)(Behavior Biology and Ecology)Proceedings of the Sixty-Third Annual Meeting of the Zoologiacal Socistry of Japan
• Ecological Distribution and Assemblage Structure of Neritid Gastropods in an Okinawan Mangrove Swamp, Southern Japan

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