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Title: Description of a new species of rabbitfish (Perciformes: Siganidae) from southern India, Sri Lanka and the Maldives
Contributor(s): Woodland, David J  (author); Anderson, R Charles (author)
Publication Date: 2014
Open Access: Yes
DOI: 10.11646/zootaxa.3811.1.8Open Access Link
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Abstract: 'Siganus insomnis' sp. nov. is described from the Maldives, Sri Lanka and southern India. It most closely resembles 'S. lineatus' (Valenciennes) from the Western Pacific but differs in coloration, principally in that most if not all of the bronze bands on its mid and upper sides continue horizontally and unbroken through to the nape and opercular slit. By contrast, in 'S. lineatus', typically the anterior area below the spinous dorsal fin down to the mid-sides is irregularly marked with golden bronze spots, commas, or a maze of contorted lines. 'S. guttatus' (Bloch) is the third member of this group of sibling species; its sides are covered with orange to bronze-gold spots. It is distributed throughout S.E. Asia, i.e., it occupies a geographic position between the areas inhabited by 'S. lineatus' and 'S. insomnis'. Thus the gene pools of 'S. lineatus' and 'S. insomnis' are quarantined from one another by distance and the intervening presence of 'S. guttatus' in S.E. Asia. The geographical separation of the populations of 'S. lineatus' and 'S. insomnis' from one another is reinforced by the absence of suitable, coralline habitats for these species in the western half of the Bay of Bengal.
Publication Type: Journal Article
Source of Publication: Zootaxa, 3811(1), p. 129-136
Publisher: Magnolia Press
Place of Publication: New Zealand
ISSN: 1175-5334
Field of Research (FOR): 060301 Animal Systematics and Taxonomy
Socio-Economic Outcome Codes: 830204 Wild Caught Fin Fish (excl. Tuna)
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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