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

"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 per mille - 21 per mille at low...

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Bibliographic Details
Published in:Ichthyological research 2002-05, Vol.49 (2), p.198-201
Main Authors: "Onikura, N. (Kyushu Univ., Fukuoka (Japan)), Takeshita, N. Matsui, S, Kimura, S.
Format: Article
Language:English
Subjects:
Brackish
Cottidae
COTTOIDEI
ESTUARIES
NESTING
OVA
SHELL
SPAWNING GROUNDS
Trachidermus fasciatus
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Summary:"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 per mille - 21 per mille 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."
ISSN:1341-8998
1616-3915
DOI:10.1007/s102280200027