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Eledonine octopods from the Southern Ocean: systematics and distribution

Published online by Cambridge University Press:  12 May 2004

Tsunemi Kubodera  and
Takashi Okutani
Tsunemi Kubodera
Affiliation:
National Science Museum Tokyo, Department of Zoology, 3-23-1 Hyakunin-cho, Shinjuku-ku, Tokyo 169, Japan
Takashi Okutani
Affiliation:
Tokyo University of Fisheries, Laboratory of Invertebrate Zoology, 4-5-7 Konan, Minato-ku, Tokyo 108, Japan
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Abstract

Fortyfour octopods from bottom trawls off Palmer Archipelago, south-eastern Argentina, south-eastern New Zealand, Crozet Islands and Showa Station were examined. Three species of Pareledone, three species of Graneledone and one species of Megaleledone were identified. All were characterized by having a single row of arm suckers. Mature males of P. harrissoni, P. adelieana and G. macrotyla were recorded for the first time. Hectocotylus and male reproductive organs of these species are described. On the basis of previously reported distributions and the present localities, P. charcoti, P. harrissoni and P. adelieana appear to have circumantarctic distributions. G. macrotyla was identified but the other two species of Graneledone could not be identified to species level because of the poor systematic state of this genus.

Keywords

Southern Oceaneledonine octopodsPareledoneGraneledoneMegaleledonesystematicsdistribution
Type
Research Article
Information
Antarctic Science , Volume 6 , Issue 2 , June 1994 , pp. 205 - 214
Copyright
© Antarctic Science Ltd 1994

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