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Ichthyological Research

, Volume 53, Issue 3, pp 209–215 | Cite as

The lateral line system and its innervation in Champsodon snyderi (Champsodontidae): distribution of approximately 1000 neuromasts

  • Masanori Nakae
  • Shinji Asai
  • Kunio Sasaki
Full paper

Abstract

The lateral line system and its innervation were studied in Champsodon snyderi (Champsodontidae). The lateral line system was composed of 43 canal and 935 superficial neuromasts, the former being arranged in 8 lines (7 on the head, 1 on the body). Tubular lateral line scales, clearly differing from the heart-shaped spinoid scales on the remaining parts of the head and body, were arranged dorsolaterally along the body, enclosing 19 canal neuromasts. Superficial neuromasts on the body were vertically aligned along 3 distinct body sections (comprising 19 dorsal, 26 lateral, and 20 ventrally positioned vertical lines), the lateral section being separated from the adjacent sections by single dorsolateral and ventrolateral horizontal lines of superficial neuromasts, respectively. All the canal neuromasts in the lateral line scales were included in the dorsal vertical lines. Accessory lateral rami, innervating most of the neuromasts on the body, were derived from the lateral ramus in a one-to-one relationship with the vertebrae.

Key words

Champsodontidae Champsodon snyderi Lateral line system Nerves Neuromasts 

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Copyright information

© The Ichthyological Society of Japan 2006

Authors and Affiliations

  1. 1.Laboratory of Marine Biology, Faculty of ScienceKochi UniversityKochiJapan

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