Broadly, Ross is interested in how social experiences and group dynamics shape the brain and behavior. Many fundamental behaviors such as aggression, reproduction, and parental care are ubiquitously exhibited across all vertebrate taxa; and it is thought the neurological mechanisms, which facilitate these decisions, are highly conserved. Specifically in the Rhodes lab, we use the developing anemonefish model, A. ocellaris, to study these behavioral patterns. Anemonefish are capable of complete morphological sex change, a remarkable adaptation in response to their unique life history characteristics. Sex change is an extreme example of how social experiences influence morphology and physiology. This tractable and dramatic transformation allows us to explore many aspects of the underlying pathways involved. Previous research at the University of Texas examined the neuroendocrine mechanisms engendering social
decisions within cichlid fishes.
1. Yaeger, C., Ros, A.M., Cross, B., DeAngelis, R.S., Stobaugh, D.J., and Rhodes, J.S. 2014. Blockade of arginine vasotocin signaling reduces aggressive behavior and c-Fos expression in the preoptic area and periventricular nucleus of the posterior tuberculum in male Amphiprion ocellaris. Neuroscience 267:205-18.
2. DeAngelis, R.S. and Rhodes J.S. 2016. Sex differences in steroid hormones and parental effort across the breeding cycle in Amphiprion ocellaris. Copeia 104(2):586-593.
3. DeAngelis, R.S., Gogola, J.V., and Rhodes, J.S. 2017. Opposite effects of nonapeptide antagonists on paternal behavior in the teleost fish Amphiprion ocellaris. Hormones and Behavior. In press.
Last Modified: February 23rd, 2017
Designed by T.K. Bhattacharya and Petra Majdak
Curated by: Heinrich Pinardo
The Rhodes' Laboratory