Box Jellyfish

Chironex fleckeri

The Box Jellyfish is a beautiful but dangerous creature found in the oceans. It has a transparent body and long tentacles with powerful venom. Be cautious around these jellyfish in the water!

Habitat: Marine

Appearance

The Box Jellyfish has a distinctive cube-shaped bell, often translucent or pale blue-green. Its four flat sides differentiate it from the dome-shaped bell of most other jellyfish species. Long, ribbon-like tentacles trail from each corner.

KingdomAnimaliaPhylumCnidariaClassCubozoaOrderChirodropidaFamilyChirodropidaeGenusChironex
Box Jellyfish
wildlife trait badgeancient_lineage trait badgecarnivorous trait badgeregenerative trait badge
Box Jellyfish

Category

Invertebrate

Rarity

Rare

Danger

5/5

Snaps

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Interesting facts

Box Jellyfish have 24 eyes, some with lenses and retinas, allowing complex vision!

Its cube-like bell helps it swim faster and more directionally than many other jellyfish!

Their potent venom can cause rapid heart failure in humans, making it extremely dangerous!

They start as tiny polyps on the seafloor before transforming into free-swimming jellyfish!

Special abilities

Ability

Advanced Vision

Box Jellyfish can see their environment using 24 complex eyes, helping them spot prey and obstacles efficiently.

Ability

Fast Swimmer

Box Jellyfish can move quickly using powerful bell contractions, helping them hunt prey and avoid danger.

Ability

Potent Sting

Box Jellyfish has tentacles lined with stinging cells that help them paralyze prey instantly and defend themselves.

Ability

Steering Sense

Box Jellyfish can orient itself using specialized balance organs, helping it swim directionally unlike most jellyfish.

Measurements & details

Length
30 cm
Tentacle Length
300 cm
Average Lifespan
1 years
Top Speed
6 km/h

Diet & Feeding

These predators hunt small fish and crustaceans, stinging them with venomous tentacles.

Primary Foods

  • small fish
  • prawns
  • shrimp
  • small crustaceans

Foraging Method

  • Ambush

Ecological connections

eats

Green Sea Turtle

Chelonia mydas

Known to eat Box Jellyfish, seemingly immune to their venom.

eaten by

Indian Anchovy

Stolephorus indicus

Small fish like this are a primary food source for Box Jellyfish.

eaten by

Giant Tiger Prawn

Penaeus monodon

Common prey, along with other crustaceans, for the jellyfish.

Traits

Also known as

JellyfishMarine StingerSea Wasp

Collections

Safety

Danger

5/5

Never touch a Box Jellyfish, even if it looks pretty. If you see one, alert an adult immediately.

Frequently Asked Questions

How long is Box Jellyfish?

30 cm

How big is Box Jellyfish?

300 cm

How long does Box Jellyfish live?

1 years

How fast can Box Jellyfish move?

6 km/h

What does Box Jellyfish eat?

These predators hunt small fish and crustaceans, stinging them with venomous tentacles.

Where is Box Jellyfish usually found?

Marine

How does Box Jellyfish hunt?

Ambush

Snap Map

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Recent Snaps

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Where to spot

More Invertebrates