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Cartoon of Mangrove horseshoe crab
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Mangrove horseshoe crab

Carcinoscorpius rotundicauda
Other poisonous animals๐Ÿฝ๏ธ Poisonous to eatPoisonous, not venomous
Danger to people: Very dangerousIt can kill a person who gets no treatment.

Mangrove horseshoe crab belongs to the group: Other poisonous animals. It lives in: The oceans.2

Poisonous or venomous? Venomous animals inject venom with a bite or a sting. Poisonous animals are harmful to touch or to eat. This one is poisonous.
Lives in
The oceans2
Length
35 cm (1.1 ft)2
typical adult size
Top speed
about 0.5 km/h (0.31 mph)
Swimming, rough guess

Poison power

Poisonous to eat

It is only harmful if something eats it.

How dangerous is it to people?

Danger to people: Very dangerousIt can kill a person who gets no treatment.

๐Ÿš‘ If someone touched or ate it

  • If someone ate it or has symptoms after eating it: call your emergency number or poison centre straight away.

Always call your emergency number first (112, 000, 911). This is general first aid guidance, not medical advice. First aid basics

โ›‘๏ธ Stay safe

  • Never touch, catch or tease a wild animal, even a small one, and even if it looks asleep or dead.
  • Give it space. If you meet one, stay calm, step back slowly and let it go its own way.
  • If you touched or ate it: do not rub your eyes or mouth, wash your hands and get medical help.

It is not out to get you. Its poison is only there so that nothing eats it. More about staying safe

How big is it?

How long is it?

Mangrove horseshoe crab about 35 cm long (1.1 ft)๐Ÿ“ŽA paper clip about 3 cm (1.2 in)๐ŸŒA banana about 18 cm (7.1 in)A house cat about 50 cm (1.6 ft)
as long as 11 toy building bricks in a row

How big is Mangrove horseshoe crab compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

For venom experts

Scientific name
Carcinoscorpius rotundicauda
Group
Other poisonous animals
Family
Limulidae1
Order
Xiphosurida
Continents
The oceans
Danger to people
4 / 5: Very dangerous2

Where the facts come from

  1. Carcinoscorpius rotundicauda (iNaturalist): names and classification.
  2. Venom Wiki: the danger level, the typical size and the speed guess are our own. See how we work them out: How we rate danger.

Every fact on this page has a number that points to its source. If we got something wrong, sorry, we are animal fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: Other poisonous animals

Also lives in: The oceans

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