Box jellyfish (class Cubozoa) are cnidarian invertebrates distinguished by their cube-shaped medusae. source
Box jellyfish (class Cubozoa) are cnidarian invertebrates distinguished by their cube-shaped medusae.
Some species of box jellyfish produce extremely potent venom: Chironex fleckeri, Carukia barnesi and Malo kingi. source
Some species of box jellyfish produce extremely potent venom: Chironex fleckeri, Carukia barnesi and Malo kingi.
Stings from box jellyfish and a few other species in the class are extremely painful and can be fatal to humans. source
Stings from box jellyfish and a few other species in the class are extremely painful and can be fatal to humans.
"Box jellyfish" and "sea wasp" are common names for the highly venomous Chironex fleckeri. source
"Box jellyfish" and "sea wasp" are common names for the highly venomous Chironex fleckeri.
Box jellyfish terms are ambiguous, as "sea wasp" and "marine stinger" are sometimes used to refer to other jellyfish. source
Box jellyfish terms are ambiguous, as "sea wasp" and "marine stinger" are sometimes used to refer to other jellyfish.
The medusa form of a box jellyfish has a squarish, box-like bell. source
The medusa form of a box jellyfish has a squarish, box-like bell.
A box jellyfish can move more rapidly than other jellyfish; speeds of up to six meters per minute have been recorded. source
A box jellyfish can move more rapidly than other jellyfish; speeds of up to six meters per minute have been recorded.
The box jellyfish's nervous system is more developed than that of many other jellyfish. source
The box jellyfish's nervous system is more developed than that of many other jellyfish.
Box jellyfish also have twenty ocelli (simple eyes) that do not form images, but detect light and dark; they therefore have a total of twenty-four eyes. source
Box jellyfish also have twenty ocelli (simple eyes) that do not form images, but detect light and dark; they therefore have a total of twenty-four eyes.
Box jellyfish also display complex, probably visually guided behaviors such as obstacle avoidance and fast directional swimming. source
Box jellyfish also display complex, probably visually guided behaviors such as obstacle avoidance and fast directional swimming.
box jellyfish have been described as having an active, fish-like behavior. source
box jellyfish have been described as having an active, fish-like behavior.
The box jellyfish actively hunts its prey (small fish), rather than drifting as do true jellyfish. source
The box jellyfish actively hunts its prey (small fish), rather than drifting as do true jellyfish.
The box jellyfish are capable of achieving speeds of up to 1.5 to 2 metres per second or about 4 knots (7.4 km/h; 4.6 mph). source
The box jellyfish are capable of achieving speeds of up to 1.5 to 2 metres per second or about 4 knots (7.4 km/h; 4.6 mph).
A fully grown box jellyfish can measure up to 20 cm (7.9 in) along each box side (or 30 cm (12 in) in diameter), and the tentacles can grow up to 3 m (9.8 ft) in length. source
A fully grown box jellyfish can measure up to 20 cm (7.9 in) along each box side (or 30 cm (12 in) in diameter), and the tentacles can grow up to 3 m (9.8 ft) in length.
The box jellyfishs weight can reach 2 kg (4.4 lb). source
The box jellyfishs weight can reach 2 kg (4.4 lb).
The eyes of box jellyfish are set in clusters called rhopalia, located in pockets halfway up the outer, flat surfaces of the bell. source
The eyes of box jellyfish are set in clusters called rhopalia, located in pockets halfway up the outer, flat surfaces of the bell.
