🦀Japanese spider crab
The Japanese giant spider crab is a species of marine crab and is the largest crab found in the waters around Japan. At around 3.75 metres (12.3 ft), it has the largest leg-span of any arthropod. The Japanese name for this species is taka-ashi-gani,, literally translating to "tall-legged crab". It goes through three main larval stages along with a prezoeal stage to grow to its full size.
Text: Wikipedia, CC BY-SA 4.0.
The IUCN Red List has not assessed Macrocheira kaempferi yet.
- Body mass
- 14 kg
- Body length
- not recorded
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- not recorded
Everything we know about the Japanese spider crab
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass14 kgmaximum recordedSeaLifeBaseDetails ↓Hide ↑
SeaLifeBase populates Weight independently of Length; the two are not guaranteed to describe the same individual. Verify before publishing.
Source: SeaLifeBase · v25.04 · CC BY-NC 4.0
Carapace width0.3 mmaximum recorded, carapace widthSeaLifeBaseDetails ↓Hide ↑
Source: SeaLifeBase · v25.04 · CC BY-NC 4.0
Danger to humansharmlessSeaLifeBaseDetails ↓Hide ↑
Source: SeaLifeBase · v25.04 · CC BY-NC 4.0
Volume l14 LaverageDetails ↓Hide ↑
Body mass at ~1.0 kg/L, the density of vertebrate tissue.
average = a mean across sexes or species in a group.
Not recorded for Japanese spider crab yet: body length, shoulder height, top speed, bite force, maximum lifespan.
Family tree
- kingdomAnimalia
- ›phylumArthropoda
- ›classMalacostraca
- ›orderDecapoda
- ›familyMacrocheiridae
- ›genusMacrocheira
- ›speciesMacrocheira kaempferi
- classCrabs, shrimp & kin · Malacostraca
- orderCrabs, lobsters & shrimp · Decapoda
- subfamilyInachinae
- genusMacrocheira
All 12 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumArthropoda
- classCrabs, shrimp & kin · Malacostraca
- subclassEumalacostraca
- superorderEucarida
- orderCrabs, lobsters & shrimp · Decapoda
- suborderPleocyemata
- infraorderBrachyura
- superfamilyMajoidea
- familyInachidae
- subfamilyInachinae
- genusMacrocheira
More about the Japanese spider crab
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How speed, brain and bite scale with body size. This animal isn't in the sample yet.
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