The copepod fauna of the Gulf of Carpentaria, and its Indo-West Pacific affinities

B. H R Othman, J. G. Greenwood, P. C. Rothlisberg

    Research output: Contribution to journalArticle

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    Abstract

    Copepods from the Gulf of Carpentaria, the tropical, northern Australian waters adjacent to the Arafura Sea, were collected from 23 sites spanning the entire Gulf during 10 cruises in the period August 1975 to May 1977. Samples were taken using plankton nets with mesh size of 142 μm. One hundred and two species of copepods were identified, 68 species belonging to the sub-order Calanoida, 30 to the Cyclopoida and four to the Harpacticoida. Thirteen of these species were new to science; descriptions of seven have so far been published. Ninety five of the species collected in this study are new records for the Gulf region, and 23 are new records for waters of the Australian continent. The faunal composition is characteristically warm water neritic, and shows similarity to that of Southeast Asia, having at least 88 species in common. Comparisons of copepod species records from the Gulf of Carpentaria with those from the northeastern Pacific coast of Australia (Great Barrier Reef and Moreton Bay) show 79 species to be common to these areas. Of all the species collected in the Gulf, three have been previously recorded from the Indian Ocean but not the Pacific, and five are otherwise only known from the Pacific Ocean. The Gulf is regarded as forming the southeasternmost region of the Indo-pacific marine domain, within which most of the 13 new species encountered in this study appear to be endemic. Species distribution patterns are discussed in relation to post-glacial and present-day hydrodynamics of the region.

    Original languageEnglish
    Pages (from-to)561-572
    Number of pages12
    JournalNetherlands Journal of Sea Research
    Volume25
    Issue number4
    DOIs
    Publication statusPublished - 1990

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    Copepoda
    fauna
    Great Barrier Reef
    Indian Ocean
    South East Asia
    Pacific Ocean
    hydrodynamics
    plankton
    biogeography
    new record
    coasts
    new species
    Gulf of Carpentaria
    gulf
    mesh size
    barrier reef
    water
    warm water
    Postglacial
    sampling

    ASJC Scopus subject areas

    • Earth and Planetary Sciences(all)

    Cite this

    The copepod fauna of the Gulf of Carpentaria, and its Indo-West Pacific affinities. / Othman, B. H R; Greenwood, J. G.; Rothlisberg, P. C.

    In: Netherlands Journal of Sea Research, Vol. 25, No. 4, 1990, p. 561-572.

    Research output: Contribution to journalArticle

    Othman, B. H R ; Greenwood, J. G. ; Rothlisberg, P. C. / The copepod fauna of the Gulf of Carpentaria, and its Indo-West Pacific affinities. In: Netherlands Journal of Sea Research. 1990 ; Vol. 25, No. 4. pp. 561-572.
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