Male blue gouramis (Trichogaster trichopterus) that had been conditioned to associate a light with the imminent appearance of a rival
A) approached the territorial border quickly with fins relaxed.
B) bit their opponents less often than their opponents bit them.
C) delivered more tailbeats than did their opponents.
D) tended to have reduced androgen levels.

Question

Quizplus · Accepted Answer

Male blue gouramis conditioned to associate a light with the appearance of a rival would likely display increased aggression or readiness for confrontation, as indicated by delivering more tailbeats than their opponents. This behavior is a form of aggressive posturing or attack in fish, suggesting they are primed for conflict rather than showing signs of submission or reduced aggression (as would be suggested by options A, B, and D).

Male Blue Gouramis (Trichogaster Trichopterus) That Had Been Conditioned to Associate