Abstract
The lateral line system, including the distribution and counts of canal and superficial neuromasts, in a Japanese tripterygiid Enneapterygius etheostomus was studied. Although the basic topography of the lateral line canals was typical of teleosts, preopercular, mandibular, parietal, predorsal and caudal fin groupings of superficial neuromasts were recognized for the first time in addition to the previously reported groupings in Tripterygiidae. Comparisons of neuroanatomical characteristics with those of New Zealand tripterygiids previously reported revealed significant differences, thereby indicating that detailed examination of the lateral line system could provide new information useful for taxonomic studies.
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Acknowledgments
We thank M. Hisakawa (BSKU) for her assistance in observations of neuromasts. G. Hardy (Ngunguru, New Zealand) read the manuscript and offered helpful comments. This study was partly supported by Grants-in-Aid for Young Scientists (B) (21780190) from the Ministry of Education, Culture, Sports, Science and Technology and JSPS Fellows (231039) by the Japan Society for the Promotion of Science to MN.
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Nakae, M., Katayama, E., Asaoka, R. et al. Lateral line system in the triplefin Enneapterygius etheostomus (Perciformes: Tripterygiidae): new implications for taxonomic studies. Ichthyol Res 59, 268–271 (2012). https://doi.org/10.1007/s10228-012-0273-3
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DOI: https://doi.org/10.1007/s10228-012-0273-3