title: A description and analysis of agonistic behavior patterns in an opisthobranch mollusc, Hermissenda crassicornis.
mesh_terms: D000374:Aggression / Q000502:physiology*; D000378:Agonistic Behavior / Q000502:physiology*; D000818:Animals; D006801:Humans; D008974:Mollusca / Q000502:physiology*