How big does the Box Jellyfish get?

The Box Jellyfish grows to about 30 cm.

Box Jellyfish

Chironex fleckeri

Group: Jellyfish
Max size: 30 cm

Among the most venomous animals in the sea, this box jellyfish trails tentacles up to three metres long that can stop a human heart within minutes. The pale, boxy bell prefers shallow coastal water near creeks and mangrove outlets, and adults are often seen cruising around pier pilings in search of prawns.

Taxonomy: Animalia › Cnidaria › Cubozoa › Chirodropida › Chirodropidae › Chironex

Species data via the World Register of Marine Species (WoRMS), AphiaID 289593.

FAQ

How big does the Box Jellyfish get?: The Box Jellyfish grows to about 30 cm.