Paradiscogaster flindersi and P-oxleyi n. sp (Digenea: Faustulidae): overlapping host and geographical distributions in corallivore chaetodontid fishes in the tropical Indo-west Pacific

Diaz, Pablo E., Bray, Rodney A. and Cribb, Thomas H. (2013) Paradiscogaster flindersi and P-oxleyi n. sp (Digenea: Faustulidae): overlapping host and geographical distributions in corallivore chaetodontid fishes in the tropical Indo-west Pacific. Systematic Parasitology, 86 1: 87-99. doi:10.1007/s11230-013-9434-7


Author Diaz, Pablo E.
Bray, Rodney A.
Cribb, Thomas H.
Title Paradiscogaster flindersi and P-oxleyi n. sp (Digenea: Faustulidae): overlapping host and geographical distributions in corallivore chaetodontid fishes in the tropical Indo-west Pacific
Formatted title
Paradiscogaster flindersi and P-oxleyi n. sp (Digenea: Faustulidae): overlapping host and geographical distributions in corallivore chaetodontid fishes in the tropical Indo-west Pacific
Journal name Systematic Parasitology   Check publisher's open access policy
ISSN 0165-5752
1573-5192
Publication date 2013-09
Sub-type Article (original research)
DOI 10.1007/s11230-013-9434-7
Volume 86
Issue 1
Start page 87
End page 99
Total pages 13
Place of publication Dordrecht, Netherlands
Publisher Springer
Collection year 2014
Language eng
Formatted abstract
A total of 2,868 individuals of 47 species of chaetodontids were examined for faustulids at seven major localities in the Tropical Indo-West Pacific (TIWP). Combined morphological and molecular analyses allowed us to describe Paradiscogaster oxleyi n. sp. from three localities in the TIWP and in three host species, Chaetodon lunulatus Quoy & Gaimard (type-host), C. ornatissimus Cuvier and C. meyeri Bloch & Schneider. Molecular analysis of the ITS2 region of rDNA from two host species and three localities supports the morphology-based conclusion that P. oxleyi n. sp. is the same species at the three localities. Paradiscogaster flindersi Bray, Cribb & Barker, 1994 is reported from three new localities in the TIWP and is now known from 13 chaetodontid species. Sequences from samples consistent with P. flindersi differed from those from P. oxleyi n. sp. in 11-12 base pairs. The host ranges of the two species overlap broadly. Neither species was found in French Polynesia but both were found at Swain Reefs on the Great Barrier Reef. Only one of the two species was found at each of the five other sites. Both species occur almost exclusively in specialist corallivores allowing the inference that the metacercariae occur in corals. Finally, a key to the species of Paradiscogaster is provided.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Biological Sciences Publications
 
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