Gnathia trimaculata n. sp. (Crustacea: Isopoda: Gnathiidae), an ectoparasite found parasitising requiem sharks from off Lizard Island, Great Barrier Reef, Australia

Coetzee, Maryke L., Smit, Nico J., Grutter, Alexandra S. and Davies, Angela J. (2009) Gnathia trimaculata n. sp. (Crustacea: Isopoda: Gnathiidae), an ectoparasite found parasitising requiem sharks from off Lizard Island, Great Barrier Reef, Australia. Systematic Parasitology, 72 2: 97-112. doi:10.1007/s11230-008-9158-2


Author Coetzee, Maryke L.
Smit, Nico J.
Grutter, Alexandra S.
Davies, Angela J.
Title Gnathia trimaculata n. sp. (Crustacea: Isopoda: Gnathiidae), an ectoparasite found parasitising requiem sharks from off Lizard Island, Great Barrier Reef, Australia
Formatted title
Gnathia trimaculata n. sp. (Crustacea: Isopoda: Gnathiidae), an ectoparasite found parasitising requiem sharks from off Lizard Island, Great Barrier Reef, Australia
Journal name Systematic Parasitology   Check publisher's open access policy
ISSN 0165-5752
1573-5192
Publication date 2009-02
Year available 2008
Sub-type Article (original research)
DOI 10.1007/s11230-008-9158-2
Volume 72
Issue 2
Start page 97
End page 112
Total pages 16
Place of publication Netherlands
Publisher Springer Netherlands
Language eng
Subject C1
970106 Expanding Knowledge in the Biological Sciences
060205 Marine and Estuarine Ecology (incl. Marine Ichthyology)
Formatted abstract
Gnathia trimaculata n. sp. is described from one black tip reef shark Carcharinus melanopterus Quoy & Gaimard and four grey reef sharks C. amblyrhynchos Bleeker collected off Lizard Island, Great Barrier Reef, Australia. Third-stage juveniles (praniza 3) were maintained in fresh seawater until they moulted into adults. Male adults emerged seven days post-removal (d.p.r) of pranizae from host fishes, whereas the female pranizae completed their moult into adult females 24 d.p.r. Distinctive features include the relatively large size of all stages and the unique mediofrontal process of the male, which is divided into two lobes forming a key-hole shape between them. The female frontal border is characterised by paired simple, pappose setae on the sides of the mid-dorsal area, as well as four long, pappose setae on the mid-dorsal region. The pranizae have eight teeth on each mandible. Live pranizae have stripes and three pairs of distinctive black spots within yellow circles on the sides of the pereonites and this pigmentation pattern persists in the adults. This represents the second description of a gnathiid parasitising elasmobranchs off Australia.
Q-Index Code C1
Q-Index Status Provisional Code
Additional Notes Published online: 30 December 2008

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Biological Sciences Publications
Ecology Centre Publications
 
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Created: Thu, 09 Jul 2009, 12:52:22 EST by Gail Walter on behalf of School of Biological Sciences