A pharmacological discrimination of two behavioral forms of the paradise fish (Macropodus opercularis).

V. Altbäcker, A. Zocchi, A. Oliverio, V. Csányi

Research output: Contribution to journalArticle

Abstract

Intracranial injections of 5 micrograms/fish (equivalent to 2 nmol/g) of the dopamine agonist Apomorphine into the paradise fish brain considerably decrease the occurrence of escape behavior with a parallel increase of time spent in swimming. All other elements of the behavioral repertoire are unaffected. The simultaneous administration of 0.5 micrograms/fish (equivalent to 0.15 nmol/g) of the dopamine antagonist Pimozide abolishes this effect. In a second experiment a dose dependent decrease in escape behavior was obtained with a parallel increase of swimming. On the bases of these pharmacological data it is concluded that the escape and the swimming reactions are truly independent units but their regulation might be closely related.

Original languageEnglish
Pages (from-to)321-327
Number of pages7
JournalActa Biologica Hungarica
Volume44
Issue number4
Publication statusPublished - 1993

Fingerprint

Fish
escape behavior
Fishes
Pharmacology
dopamine
Escape Reaction
pimozide
fish
apomorphine
Pimozide
Dopamine Antagonists
Apomorphine
Dopamine Agonists
agonists
brain
antagonists
Brain
injection
Injections
dosage

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

A pharmacological discrimination of two behavioral forms of the paradise fish (Macropodus opercularis). / Altbäcker, V.; Zocchi, A.; Oliverio, A.; Csányi, V.

In: Acta Biologica Hungarica, Vol. 44, No. 4, 1993, p. 321-327.

Research output: Contribution to journalArticle

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