| Macrocheira kaempferi Temminck, 1836 Japanese giant spider crab | 
| No Picture Available | 
| Family: | Majidae (spider crabs) | |||
| Max. size: | 30 cm CW (male/unsexed); max.weight: 14 kg | |||
| Environment: | benthic; marine; depth range 50 - 400 m | |||
| Distribution: | Northwest Pacific: Japan and Taiwan. | |||
| Diagnosis: | ||||
| Biology: | Largest crab in the world. Leg span may measure up to 3.7 m and weight may exceed more than 13.6 kg (Ref. 99323). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | harmless | |||
| Country info: |  | |||