Pérez-Campos, R.A., R. Rodríguez-Canul, J.A. Pérez-Vega, C. González-Salas, and S. Guillén-Hernández (2012) High serotonin levels due to the presence of the acanthocephalan Hexaglandula corynosoma could promote changes in behavior of the fiddler crab Uca spinicarpa. Diseases of Aquatic Organisms 99(1):49–55.