Bachelor of Arts (BA)
Department or Program
Siamese fighting fish, or Betta splendens, are known for their flashy colors and extremely aggressive behavior. They are a perfect model species for studying sexual behavior. First, I reviewed betta mate choice and the courtship ritual. Female betta are known to select a male based on a number of visual cues such as male size, vigor, fin length, and aggression in addition to male territory and bubble nest quality. Then I examined what mattered most to the female: movement or coloration. I studied this phenomenon in captive bred betta fish and found that females prefer red colored males over blue coloration in males. However, when red males were anesthetized, female betta preferred blue colored males over red colored males. This preference for red coloration may reflect the role of carotenoid dependent signaling.
Brownell, Abby, "A Study of Female Courtship Behavior and Mating Preferences in Betta splendens" (2014). Senior Theses.