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Titolo:
Toxicity of Co2+: implications for lateral line studies
Autore:
Janssen, J;
Indirizzi:
Loyola Univ, Dept Biol, Chicago, IL 60626 USA Loyola Univ Chicago IL USA 60626 a Univ, Dept Biol, Chicago, IL 60626 USA
Titolo Testata:
JOURNAL OF COMPARATIVE PHYSIOLOGY A-SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY
fascicolo: 10, volume: 186, anno: 2000,
pagine: 957 - 960
SICI:
0340-7594(200010)186:10<957:TOCIFL>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
MEXICAN CAVE FISH; COBALT; WATER; RHEOTAXIS;
Keywords:
cobalt; lateral line; mechanoreception; rheotaxis; toxicity;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Janssen, J Univ Wisconsin, WATER Inst, 600 E Greenfield Ave, Milwaukee, WI53204 USA Univ Wisconsin 600 E Greenfield Ave Milwaukee WI USA 53204 USA
Citazione:
J. Janssen, "Toxicity of Co2+: implications for lateral line studies", J COMP PH A, 186(10), 2000, pp. 957-960

Abstract

It has been reported that superficial neuromasts, a type of lateral line organ, mediate rheotaxis in fish. These studies used Co2+ at 2 mmol l(-1) for 3 h to ablate the entire lateral line system. The recommended concentration is 0.1 mmol l(-1). The present study shows that at 2 mmol l(-1) Co2+ is highly toxic to blind Mexican cave fish. Fish exposed to this concentrationdied in less than 17 h, and produced copious mucus. No control fish died. No cobalt treated fish died after 3 h exposure, but cobalt-treated fish swam about their aquaria faster than control fish and tended to swim at the surface. Hence, both survival and behavior were changed by the excessive concentration of Co2+.

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Documento generato il 14/07/20 alle ore 10:15:54