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- Title
The scyphomedusan fauna of the Japan Trench: preliminary results from a remotely-operated vehicle.
- Authors
Lindsay, Dhugal; Furushima, Yasuo; Miyake, Hiroshi; Kitamura, Minoru; Hunt, James
- Abstract
A series of dives was conducted during April/May 2002 in a variety of water masses over the Japan Trench using the remotely-operated vehicle ROVHyperDolphin. The scyphomedusan fauna was catalogued, resulting in the first records ofAtolla vanhoeffeniandAtolla russellifrom Japanese waters. A new genus and species referable to the family Paraphyllinidae was also recognized. The ulmarid scyphomedusaPoralia rufescensis by far the most common scyphomedusa in these waters. Its distribution was determined by water mass structure and it was not present in subducted Oyashio Current-derived waters occurring within its usual depth range. Temperature and salinity affected its distribution more than dissolved oxygen concentrations. Distributional information, data on the physico-chemical parameters of the water column, and notes on biological associations with scyphomedusae are introduced.
- Subjects
SCYPHOZOA; CORAL reefs &; islands; WATER masses; OCEANOGRAPHY; BENTHIC animals; JELLYFISHES
- Publication
Hydrobiologia, 2004, Vol 530/531, Issue 1-3, p537
- ISSN
0018-8158
- Publication type
Article
- DOI
10.1007/s10750-004-2645-9