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Issue: Vol. 4455 No. 3: 3 Aug. 2018
Type: Article
Published: 2018-08-03
DOI: 10.11646/zootaxa.4455.3.8
Page range: 525–536
Abstract views: 77
PDF downloaded: 46

Pseudanthias emma new species, with notes on a collection of anthiadine serranid fishes from off Myanmar (eastern Indian Ocean)

Macleay Museum and School of Life and Environmental Sciences, A12—Macleay Building, The University of Sydney, New South Wales 2006, Australia. Ichthyology, Australian Museum, 1 William Street, Sydney, New South Wales 2010, Australia.
Food and Agriculture Organization of the United Nations, Viale delle Terme di Caracalla, 00152 Rome, Italy.
Pseudanthias gibbosus Plectranthias sagamiensis Odontanthias rhodopeplus Sacura sanguinea taxonomy ichthyology Pisces

Abstract

Recent exploratory trawling off the coast of Myanmar by the R/V Dr Fridtjof Nansen has resulted in the collection of six species of anthiadine serranid fishes. Four of the species are represented by specimen vouchers: Pseudanthias emma sp. nov., P. gibbosus (Klunzinger), Odontanthias rhodopeplus (Günther) and Plectranthias sp. 1. The remaining two species are represented only by photographs: Plectranthias sp. 2 and Sacura sanguinea Motomura, Yoshida & Vilasri. Pseudanthias emma is described from the 107 mm SL holotype. It is distinguished from congeners in having the following combination of characters: dorsal rays X,16; pectoral rays 18; lateral-line scales 42; third dorsal-fin spine longest, prolonged; no papillae on posterior margin of orbit; soft part of dorsal with low scaly sheath; subopercle and interopercle indistinctly serrated; caudal fin weakly concave centrally, with elongate filaments extending from second to uppermost and second to lowermost branched rays. Plectranthias sp. 1 is a probable new species closely allied to P. sagamiensis (Katayama), from which it appears to differ in having fewer segmented dorsal rays and fewer rows of cheek scales. Plectranthias sp. 2 is a probable new species closely allied to P. alcocki Bineesh, Akhilesh, Gopalakrishnan & Jena, from which it appears to differ in lacking a large black spot on the operculum and dusky ventral spot on the abdomen. New character, habitat and distribution information is provided for all six species. Pseudanthias vizagensis Krishna, Rao & Venu is suggested as a probable junior synonym of P. pillai Heemstra & Akhilesh.

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