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Chironex fleckeri is the largest of the cubozoans (collectively called box jellyfish), many of which may carry similarly toxic venom. Its bell usually reaches about 16 cm (6.3 in) in diameter but can grow up to 35 cm (14 in). [8] From each of the four corners of the bell trails a cluster of 15 tentacles. [4]
M. virulenta is one of the largest species of box jellyfish, with tentacle lengths of about three metres at maximum extension. The maximum bell height observed in M. virulenta can range up to 250 mm and the bell width can range up to 200 mm. [3] The bell of M. virulenta is rectangle-shaped and covered with nematocyst warts.
The underside of the bell is partially constricted by a velarium, [2] a horizontal ring of tissue, [3] and in the centre is a manubrium, a tube-like structure which hangs down with the mouth at its tip. [4] This box jellyfish is a translucent yellowish-brown colour. [2]
Tripedalia are relatively small in size, ranging from 11 to 15 mm. Both species have a cuboid bell and are transparent with a yellowish to brownish color. Their bells contain nematocyst warts that are mainly around the outline of T. cystophora and are thinly spread throughout T. binata.
The adult bell of the Chiropsella bronzie is small and rounded, and ranges from 3 to 5 cm in diameter, [5] not exceeding 8 cm high and wide. [2] Each corner of the C. bronzie medusae holds up to 9 tentacles on each stalk, or pedalium. [6] [2] Chiropsella bronzie and other box jellyfish
When the venom of the box jellyfish was sequenced, it was found that more than 170 toxin proteins were identified. [38] The high quantity of toxin proteins that the box jellyfish possess is the reason they are known to be so dangerous. Stings from the box jellyfish can lead to skin irritation, cardiotoxicity, and can even be fatal. [38]
Carybdea marsupialis is a small transparent jellyfish with a box-shaped bell [2] about 3 cm (1 in) across, at the four lower corners of which are four elongated tentacles up to 30 cm (12 in) long. The bell has a number of small white or yellowish warts with stinging cells, and near the margin, equidistant from the tentacles, are four rhopalia ...
Malo are in the family Carukiidae and are distinguishable from other box jellies by their size and location of nematocysts. [10] Malo also have a lack of cirri clumps (gastric phacellae) in the stomach. [4] The Malo genus of jellyfish has a cubic medusa bell with a tentacle at each corner. [2] The maximum bell height is 2–5 cm with a taller ...