anchovy (Engraulis ringens L. Jenyns, 1842), and bycatch of the scyphomedusa Chrysaora
plocamia (Lesson, 1832) affects this fishery. Medusae display strong seasonal fluctuations,
with peak abundances during summer. Off southern Peru and during the austral summer
2008–2009, C. plocamia were> 30% of the catch in 5% of the hauls, which was enough to
cause economic losses of more than 200,000 US $ in only 35 d of fishing. Fishery factories …