Chironex fleckeri and other jellyfish, including the Irukandji (Carukia barnesi), are abundant in the waters of northern Australia during the summer months (November to April or May).
C. fleckeri dan ubur-ubur lainnya, termasuk Irukandji (Carukia barnesi), yang melimpah di perairan utara Australia selama musim panas (November sampai April atau Mei).