Piggybacking pycnogonids and parasitic narcomedusae on Pandea rubra (Anthomedusae, Pandeidae)

8 pages, 3 figures, 1 table Associations between pycnogonids and the mesopelagic anthomedusan Pandea rubra are reported from two in situ video footage records off the Pacific coast of northern Japan, and from a plankton sample collected in the Weddell Sea (one juvenile of the pycnogonid Pallenopsis...

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Bibliographic Details
Published in:Plankton and Benthos Research
Main Authors: Pagès, Francesc, Corbera, Jordi, Lindsay, Dhugal
Format: Article in Journal/Newspaper
Language:unknown
Published: Plankton Society of Japan 2007
Subjects:
Association
Japan
Mesopelagic
Anthomedusae
Antarctica
Pycnogonid
Medusa
Pacific
Southern Ocean
Weddell
Weddell Sea
Antarc*
Online Access:http://hdl.handle.net/10261/108228
https://doi.org/10.3800/pbr.2.83
Description
Summary:8 pages, 3 figures, 1 table Associations between pycnogonids and the mesopelagic anthomedusan Pandea rubra are reported from two in situ video footage records off the Pacific coast of northern Japan, and from a plankton sample collected in the Weddell Sea (one juvenile of the pycnogonid Pallenopsis (Bathypallenopsis) tritonis). This is the first pelagic record of a pycnogonid in the Southern Ocean and the first record of an association between pycnogonids and a hydroidomedusa at mesopelagic depths. Taxonomic descriptions of both host and associate are given. Two early stages of a parasitic narcomedusa adhered to the medusan subumbrella are also reported. Possible origins for the pycnogonid-medusa association are postulated. © The Plankton Society of Japan Peer Reviewed

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