Table 1.

Summary of behavioural effects of AVT and V1a antagonist in teleost studies. (n.a., not applicable because no test conducted; , inhibits aggression; , facilitates aggression; , no effect on aggression. See text for more details.)

	AVT	Manning compound
Thalassoma bifasciatum
T-TP males	a	b, c
NT-TP males	d	n.a.
Cyprinodon nevadensis amargosae
territorial males	e	f
non-territorial males	n.a.	n.a.
Porichthys notatusg
type I
type II	h	h
Apteronotus leptorhynchus	i	n.a.

^aAggression towards all phenotypes (Semsar et al. 2001).

^bAggression towards IP males (Semsar et al. 2001).

^cAggression towards TP males (Semsar et al. 2001).

^dAggression towards IP males (Semsar et al. 2001).

^eTested in the laboratory and the wild (Lema & Nevitt 2004).

^fTested in the laboratory (Lema & Nevitt 2004).

^gTests on fictive vocalizations (Goodson & Bass 2000).

^hIsotocin was the effective neuropeptide (Goodson & Bass 2000).

ⁱEffects on agonistic electrical pulses (Bastian et al. 2001).