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Atergatis subdentatus Red Reef Crab, Dark-finger Coral Crab, Eyed Coral Crab

Atergatis subdentatus is commonly referred to as Red Reef Crab, Dark-finger Coral Crab, Eyed Coral Crab. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: toxic.


Profilbild Urheber Hitoshi Takakura (Flickr Brachyura), Japan

Atergatis subdentatus, Japan 2025_1802-03

Place: Tip of Ose Cape, Numazu city, Shizuoka pref., Japan (-7m, among boulders).Comment: carapace wudth=7-8cm (approximately), male.
Courtesy of the author Hitoshi Takakura (Flickr Brachyura), Japan . Please visit www.flickr.com for more information.

Uploaded by Muelly.

Image detail


Profile

lexID:
17673 
AphiaID:
444365 
Scientific:
Atergatis subdentatus 
German:
Rote Riffkrabbe, Dunkle Finger Korallenkrabbe 
English:
Red Reef Crab, Dark-finger Coral Crab, Eyed Coral Crab 
Category:
Crabs 
Family tree:
Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family) > Atergatis (Genus) > subdentatus (Species) 
Initial determination:
(De Haan, ), 1835 
Occurrence:
Cebu ((Philippines), Gulf of Mannar , Japan, Philippines, Singapore, Taiwan, Wallis and Futuna 
Marine Zone:
Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic. 
Sea depth:
1 - 100 Meter 
Habitats:
Coral reefs, Rocky shores, Rock coasts, Rocky, hard seabeds, Seawater, Sea water 
Size:
2.76" - 3.54" (7cm - 9,0cm) 
Temperature:
°F - 82.4 °F (°C - 28°C) 
Food:
No reliable information available 
Difficulty:
There are no reports available yet that this animal has already been kept in captivity successfully 
Offspring:
Not available as offspring 
Toxicity:
toxic 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2025-08-25 16:57:05 

Info

Atergatis subdentatus (De Haan, 1835)

Many species of the family Xanthidae can be poisonous, although they themselves have no poisonous apparatus (poisonous teeth, poisonous spines, poisonous glands in the skin), the consumption of these crustaceans can even be fatal for humans. Such animals are considered passive-poisonous.
The toxins of crabs (saxitoxin and tetrodotoxin) are produced by endobacteria and stored in the flesh of the crab, these e are highly potent and similar to the neurotoxins of puffer fish and just as deadly.
In its raw and cooked meat, consumption of the crab meat is toxic to humans!

Please be sure to clarify whether the meat of these crabs is toxic or non-toxic before eating it!
Call an emergency doctor immediately at the first signs of poisoning (e.g. breathing problems, muscle cramps)!

The good news is there’s no way you can be exposed to these toxins if you don’t try to eat these crabs – a bite or a jab isn’t going to do the job.

The bad news for those who unwittingly consume these crabs is that cooking the meat isn’t going to make the toxins any less effective.

Fortunately, toxic crabs don’t want to be eaten just as much as we shouldn’t be eating them, so they help us out with their glorious warning colours.

Synonymised names
Cancer (Atergatis) subdentatus De Haan, 1835 · unaccepted > superseded combination

External links

  1. crustaceology (en). Abgerufen am 25.08.2025.
  2. Wikipedia (en). Abgerufen am 25.08.2025.

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