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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | McNamara, M. K. A. Adlard, R. D. Bray, R. A. Sasal, P. Cribb, T. H. |
| Spatial Coverage | Indian Ocean Pacific Ocean |
| Description | Country affiliation: Australia Author Affiliation: McNamara MK ( School of Biological Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia. marissa.mcnamara@uqconnect.edu.au) |
| Abstract | Species richness and biogeography of the monorchiid genus Hurleytrematoides was studied by the examination of 2834 individuals of 45 species of Chaetodontidae at six major sites in the tropical Indo-West Pacific: Heron Island, Lizard Island, Ningaloo (Western Australia), Palau, New Caledonia and Moorea (French Polynesia). In total, 18 species were distributed among six sites; descriptions are provided for eight new species: H. boucheti n. sp., H. combesi n. sp., H. deblocki n. sp., H. dollfusi n. sp., H. euzeti n. sp., H. kulbickii n. sp., H. pasteuri n. sp., and H. planesi n. sp. Overall richness ranged from zero to five Hurleytrematoides species per chaetodontid species. Seven Hurleytrematoides species were found at only one locality and eleven were found at multiple localities. Only one species, H. morandi, was found at all localities. Individual localities had between six (Moorea) and 10 (Heron Island) species; we attribute Moorea's depauperate parasite fauna to its isolation and distance from the Indo-Philippine centre of biological diversity. Using cluster analysis of 18 species of Hurleytrematoides and 45 species of chaetodontids sampled in the Indo-West Pacific, we show that the localities on the Great Barrier Reef (Heron Island and Lizard Island) and New Caledonia have the most similar chaetodontid and parasite fauna of any locality pairs. Cluster analysis results also show that the similarity of the chaetodontid assemblages at five of the six localities is relatively high and that Ningaloo has the most distinct fauna. Similarity values based on sharing of species of Hurleytrematoides are generally lower than those for their hosts; Moorea, Ningaloo and Palau all have low similarity to New Caledonia and Great Barrier Reef sites. We attribute these distinctions to the differential dispersal capability of the fish and their parasites. Chaetodontids have long-lived mobile pelagic larvae, the dispersal of which would be most affected by prominent biogeographical barriers, such as that between the Indian and Pacific Oceans. In contrast, monorchiids have no obvious dispersal stage, and vast distances have the capacity to act as effective barriers to dispersal. We conclude that the present distributions of species of Hurleytrematoides in the Indo-Pacific are driven by historical opportunity and capacity to disperse, and that some disjunct distributions are sculpted by stochasticity. |
| File Format | HTM / HTML |
| ISSN | 13835769 |
| Issue Number | 2 |
| Volume Number | 61 |
| e-ISSN | 18730329 |
| Journal | Parasitology International |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-06-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Parasitology Fish Diseases Parasitology Perciformes Trematoda Classification Trematode Infections Veterinary Animals Biodiversity Cluster Analysis Indian Ocean Islands Pacific Ocean Anatomy & Histology Isolation & Purification Tropical Climate Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Parasitology |
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