Visual social preferences of lone zebrafish in a novel environment

Strain and anxiolytic effects

P. A. Barba-Escobedo, Georgianna G Gould

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Zebrafish (Danio rerio) have an innate tendency to join shoals. Based on this, we refined visual choice tests to focus on social interaction and novelty preference. Our design follows mouse three-chamber sociability protocols, except testing is conducted under 940 Lux fluorescent lighting. Initially, we compared performance among zebrafish strains: inbred (AB) or wild-crossbred (WIK) from Zebrafish International Resource Center, to golden and short-fin from Petco stores. AB fish exhibited a preference for shoaling; they dwelled longest near transparent boxes containing zebrafish, while short fin favored blue boxes without fish. AB and golden exhibited a strong preference for social novelty, not evident in short-fin or WIK fish. Serotonin and cannabinoids shape mammalian social behavior, and equivalents of both receptor types are expressed in the zebrafish brain. We examined the effects of the cannabinoid receptor agonist WIN 55,212-2 (1 mg/l), or serotonin 5-HT 1A receptor agonist buspirone (10 mg/l) on Petco short-fin social choice. Fish were bath exposed to test compounds for 10 min, under these conditions [ 3H]CP55,940 (4 nm) bound to brain with a concentration of 1.9-6.4 fmol/mg 5-30 min afterward. Social approach was measured 20 min after acclimation to the test arena. WIN 55,212-2 and buspirone increased dwelling near boxed zebrafish. In zebrafish whole-brain homogenates, buspirone displaced [ 3H] 8-hydroxy-N,N-dipropylaminotetralin (dissociation constant, K D = 16 ± 1.2 nm) with an inhibition constant (K i) of 1.8 ± 1.0 nm lower than that of WAY 100,635 (K i∼1000 nm). These fish social choice tests may enhance social behavior research, and are useful for studying the effects of genetic manipulations, pharmaceuticals or environmental toxins.

Original languageEnglish (US)
Pages (from-to)366-373
Number of pages8
JournalGenes, Brain and Behavior
Volume11
Issue number3
DOIs
StatePublished - Apr 2012

Fingerprint

Anti-Anxiety Agents
Zebrafish
Fishes
Buspirone
Social Behavior
Serotonin
Brain
Cannabinoid Receptor Agonists
Receptor, Serotonin, 5-HT1A
Cannabinoids
Acclimatization
Interpersonal Relations
Lighting
Baths
Research
Pharmaceutical Preparations

Keywords

  • 5-HT receptor
  • [ H]8-OH-DPAT binding
  • Anxiolytics
  • Buspirone
  • Cannabinoid
  • Danio rerio
  • Social behavior
  • Visual discrimination
  • WIN 55,212-2

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Genetics
  • Neurology

Cite this

Visual social preferences of lone zebrafish in a novel environment : Strain and anxiolytic effects. / Barba-Escobedo, P. A.; Gould, Georgianna G.

In: Genes, Brain and Behavior, Vol. 11, No. 3, 04.2012, p. 366-373.

Research output: Contribution to journalArticle

Barba-Escobedo, P. A. ; Gould, Georgianna G. / Visual social preferences of lone zebrafish in a novel environment : Strain and anxiolytic effects. In: Genes, Brain and Behavior. 2012 ; Vol. 11, No. 3. pp. 366-373.
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