Antennapeachia jambio (Cnidaria: Actiniaria: Haloclavidae), the Second Species of Genus Antennapeachia, with Revision of the Diagnosis of the Genus

Takato Izumi; Toshihiko Fujita; Kensuke Yanagi

doi:10.12782/specdiv.22.109

Species Diversity

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Antennapeachia jambio (Cnidaria: Actiniaria: Haloclavidae), the Second Species of Genus Antennapeachia, with Revision of the Diagnosis of the Genus

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Authors: Takato Izumi¹, Toshihiko Fujita^1,2, Kensuke Yanagi³

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Source: Species Diversity Volume 22, Issue 2, 109 - 115 (2017); http://dx.doi.org/10.12782/specdiv.22.109

Publisher: UniBio Press

Abstract

A new species of sea anemone, Antennapeachia jambio sp. nov., was collected off Jogashima, central Japan. The presence of a single, strong siphonoglyph and physa-like aboral end, and the absence of the sphincter muscle classify this sea anemone within the family Haloclavidae. Two antenna tentacles and non-paired microcnemes categorize it into genus Antennapeachia, where only Antennapeachia setouchi Izumi and Yanagi, 2016 was included. However, unlike A. setouchi, A. jambio has two more marginal tentacles and two macrocnemes between ventral directives and ventro-lateral mesenteries. On the basis of details of these new characters of Antennapeachia, the diagnosis of the genus was revised to accommodate both species.

DOI: http://dx.doi.org/10.12782/specdiv.22.109

Received 08 12月 2016 Accepted 11 7月 2017

Acknowledgments:

We acknowledge Mamoru Sekifuji and Hisanori Kohtsuka (Misaki Marine Biological Station, The University of Tokyo) for their help in sample collection. We would like to thank the project JAMBIO and all the researchers, staff, and students who participated in the second and twelfth JAMBIO Coastal Organism Joint Survey. This study was supported by the Sasakawa Scientific Research Grant from the Japan Science Society (no. 27–528) to TI, by the Integrated Research of Biodiversity Hot Spots in Japan conducted by the National Museum of Nature and Science, and JSPS KAKENHI Grants JP25440221 to KY.

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