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Johnius (Johnius) majan sp. nov., a sciaenid fish (Pisces: Sciaenidae) from Oman, Indian Ocean

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Abstract

Johnius (Johnius) majan sp. nov. is described on the basis of 8 specimens (117–158 mm in standard length) from Oman, Indian Ocean. The new species is distinguished from its congeners by the following combination of characters: black axillary spot on upper pectoral fin base; dorsal soft rays 29–32; anal soft rays 8; scales above lateral line 6, below 11; eye diameter 22.9–28.9% HL; interorbital width 32.0–38.0% HL; gill rakers 5–6 + 15–18 = 21–24; no mental barbel; last well developed pleural rib on 7th vertebra; swim bladder appendages 11; vertebrae 10 + 14 = 24.

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Acknowledgments

We are grateful to Lubna H. Al-Kharusi (Director, Oman Marine Science and Fisheries Centre, Muscat, Sultanate of Oman) for the use of laboratory facilities, assistance in sampling and transportation, and accommodation at a branch of the Madrakah Laboratory, South Oman. Kunio Sasaki (Kochi University, Japan) read the initial manuscript, made available his unpublished manuscript dealing with Western Indian Ocean sciaenids and provided many valuable comments on sciaenid taxonomy. We are also indebted to the following for sampling assistance, radiographs, photographs, specimen loans and sciaenid ecological information: H. Al-Busaidi (Oman Marine Science and Fisheries Centre, Muscat, Sultanate of Oman) and F. Tanaka (MUFS). Graham S. Hardy (Ngunguru, New Zealand) provided assistance with the English. The study was partially supported (Southern Omani fish sampling) by the Ministry of Fisheries Wealth, Sultanate of Oman, and grants awarded to the first author by the Ministry of Education, Science, Sports and Culture, Japan (nos. 16570079, 19208019 and 20570091).

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Authors and Affiliations

  1. Department of Marine Biology and Environmental Sciences, Faculty of Agriculture, University of Miyazaki, 1-1 Gakuen-kibanadai-nishi, Miyazaki, 889-2192, Japan

    Yukio Iwatsuki

  2. Marine Science and Fisheries Centre, Ministry of Fisheries Wealth, P.O. Box 427, 100, Muscat, Sultanate of Oman

    Laith A. Jawad & Juma M. Al-Mamry

Authors
  1. Yukio Iwatsuki
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  2. Laith A. Jawad
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  3. Juma M. Al-Mamry
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Correspondence to Yukio Iwatsuki.

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Iwatsuki, Y., Jawad, L.A. & Al-Mamry, J.M. Johnius (Johnius) majan sp. nov., a sciaenid fish (Pisces: Sciaenidae) from Oman, Indian Ocean. Ichthyol Res 59, 151–155 (2012). https://doi.org/10.1007/s10228-011-0265-8

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  • DOI: https://doi.org/10.1007/s10228-011-0265-8

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