Physiological responses to salinity increases in the freshwater silversides Odontesthes bonariensis and O. hatcheri (Pisces, Atherinidae)

NOTE

Physiological responses to salinity increases in the freshwater silversides Odontesthes bonariensis and O. hatcheri (Pisces, Atherinidae)

Mônica Y. Tsuzuki^I; Hideki Aikawá^II; Carlos A. Strüssmann^I; Fumio Takashima^I

^ITokyo University of Fisheries, Department of Aquatic Biosciences (4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan) e-mail: [e-mail]

^IIInland Water Experimental Station, Kanagawa Prefecture Fisheries Research Center (Ooshima 3657, Sagamihara-shi, Kanagawa-ken 229-1135, Japan )

Descriptors: Salinity tolerance, Cortisol, Osmoregulation, Stress, Pejerrey, Atherinidae.

Descritores: Tolerância a salinidade, Cortisol, Osmoregulação, Estresse, Peixe-rei, Atherinidae.

Full text available only in PDF format.

Texto completo disponível apenas em PDF.

Acknowledgements

We thank the staff of the Inland Water Fisheries Experimental Station, Kanagawa Prefecture Fisheries Research Center , for support and for providing the materiaIs and access to facilities for this study. We also thank Dr. Jiro Koyama and Dr. Masashi Maita for assistance with ion and cortisol measurements. We appreciated the technical help of Chiho Shirakusa and Masami Hashimoto. During this research the senior author was supported by allowances from the Ministry of Education, Science, Sports and Culture of Japan (Monbusho) and Fapesp (Fundação de Amparo à Pesquisa do Estado de São Paulo ).

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(Manuscript received 29 July 1999; revised 24 Apri/2000; accepted 29 June 2000)

Publication Dates

• Publication in this collection
  23 Apr 2013
• Date of issue
  2000