Ichthyological Research

, Volume 62, Issue 3, pp 293–312 | Cite as

A new species of scorpionfish, Ebosia saya (Scorpaenidae: Pteroinae), from the western Indian Ocean and notes on fresh coloration of Ebosiafalcata

Full Paper

Abstract

A new scorpionfish, Ebosia saya sp. nov. (Scorpaenidae: Pteroinae), is described on the basis of 10 specimens collected from the Saya de Malha Bank in depths of 95–126 m. Comparisons with two valid Indo-Pacific species, Ebosiableekeri (Döderlein in Steindachner and Döderlein 1884) (western Pacific Ocean) and Ebosiafalcata Eschmeyer and Rama-Rao 1978 (northern and eastern Indian Ocean), showed E. saya to be most similar to the latter, with both species sharing 8 (usually) anal-fin soft rays, 17 (usually) pectoral-fin rays, the elongated parietal spine of males relatively narrow and strongly falcate posterodorsally, and the pectoral fin predominantly yellow in males, whereas E. bleekeri has 7 (usually) anal-fin soft rays, 16 (usually) pectoral-fin rays, the elongated parietal spine of males relatively broad and weakly falcate, and the pectoral fins entirely red in males. However, E. saya differs from E. falcata in having 5 scale rows above the lateral line [vs. 4 or 5 (modally 4) in E. falcata], slightly greater total numbers (5–20, mean 12.3) of preocular, supraocular, and postocular spines at 60–90 mm SL (vs. 4–18, 8.4), shorter postorbital length 18.1–19.2 (mean 18.7) % SL [vs. 19.8–23.5 (21.5) % SL], and the blotch above the pectoral-fin base and blotches on the pectoral-fin membrane all relatively smaller. Fresh coloration of E. falcata is described for the first time, based on specimens from the Andaman Sea (easternmost record for the species).

Keywords

Ebosia bleekeri sexual dimorphism distribution Saya de Malha Bank 

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Copyright information

© The Ichthyological Society of Japan 2014

Authors and Affiliations

  1. 1.Seikai National Fisheries Research InstituteNagasakiJapan
  2. 2.The Kagoshima University MuseumKagoshimaJapan

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