Data from the Mexican Program for California Current Research IMECOCAL, for its Spanish acronym indicated important spawning off Baja California by T. symmetricus particularly in the winter of 2001, when there was no spawning off California.
Datos del programa Investigaciones Mexicanas de la Corriente de California IMECOCAL indican desoves importantes del charrito frente a Baja California especialmente en el invierno de 2001, cuando no se registró en California.