Advertisement

Ichthyological Research

, Volume 49, Issue 2, pp 198–201 | Cite as

Spawning grounds and nests of Trachidermus fasciatus (Cottidae) in the Kashima and Shiota estuaries system facing Ariake Bay, Japan

  • Norio Onikura
  • Naohiko Takeshita
  • Seiichi Matsui
  • Seiro Kimura
Short Report

Abstract

 The spawning grounds of a cottid fish, Trachidermus fasciatus, were investigated off the mouth of the Kashima River in Ariake Bay from January to March, 1996–1999. The nests were found about 1.1–2.3 km off the mouth of the river, where the bottom salinity was 8‰–21‰ at low tides. Oyster shells were mainly found to be used as nests. A male, a pair, a male and egg clusters, a pair and egg clusters, or a female were found inside shells. The average number of guarded egg clusters per male in shells was 1.3 ± 0.4.

Key words Catadromous sculpin Ariake Bay Spawning ground Nest characteristic Salinity 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Copyright information

© The Ichthyological Society of Japan 2002

Authors and Affiliations

  • Norio Onikura
    • 1
  • Naohiko Takeshita
    • 2
  • Seiichi Matsui
    • 1
  • Seiro Kimura
    • 3
  1. 1. Fishery Research Laboratory, Kyushu University, Tsuyazaki, Fukuoka 811-3304, JapanJP
  2. 2. Department of Applied Aquabiology, National Fisheries University, Nagatahonmachi, Shimonoseki, Yamaguchi 759-6595, JapanJP
  3. 3. Department of Fisheries, Faculty of Agriculture, Kyushu University, Fukuoka 812-9581, JapanJP

Personalised recommendations