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Distribution characteristics of pandalid shrimps (Decapoda: Caridea: Pandalidae) along the central mediterranean sea

TitleDistribution characteristics of pandalid shrimps (Decapoda: Caridea: Pandalidae) along the central mediterranean sea
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2004
AuthorsFanelli, E., Colloca F., Belluscio A., and Ardizzone G.D.
JournalMediterranean Marine Science
Volume5
Pagination35-44
ISSN1108393X
Abstract

The genus Plesionika is represented in the Mediterranean Sea by eight species, six of which, Plesionika acanthonotus, P. antigai, P. edwardsii, P. gigliolii, P. heterocarpus and P. martia, are very common on muddy bottoms of the continental slope. During nine experimental trawl surveys a total of 29,038 individuals of these six pandalid species, was collected off the central western coasts of Italy (central Mediterranean) in order to study population structure and spatial distribution. P. antigai inhabits the shelf break and upper slope; P. heterocarpus shows a wide bathymetric distribution, from the shelf-break to the upper slope; P. edwardsii and P. gigliolii occur in the upper slope. P. acanthonotus and P. martia occur in the deepest depths investigated. Segregation by size is revealed for the species that inhabit the same bottoms. The non-homogenous spatial distribution of Plesionika species in the study area was probably related to the spatial differences in the magnitude of primary production in the area.

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Citation KeyFanelli200435