Journal article
Paternal aggression towards a brood predator during parental care in wild smallmouth bass is not correlated with circulating testosterone and cortisol concentrations
Abstract
Male smallmouth bass (Micropterus dolomieu) provide sole parental care including frequent aggressive actions towards conspecifics and potential brood predators. Failure to defend the brood through continual vigilance results in predation reducing the number of offspring and promoting abandonment by the nesting male. However, little is known about how biochemical and endocrine factors and brood size collectively influence paternal aggression. …
Authors
Hanson KC; O'Connor CM; Van Der Kraak G; Cooke SJ
Journal
Hormones and Behavior, Vol. 55, No. 4, pp. 495–499
Publisher
Elsevier
Publication Date
April 2009
DOI
10.1016/j.yhbeh.2009.02.001
ISSN
0018-506X