Malacostraca |
Decapoda |
Majidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; depth range 50 - 400 m (Ref. 99853), usually 50 - 200 m (Ref. 99852). Subtropical
Northwest Pacific: Japan and Taiwan.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 30.0 cm CW male/unsexed; (Ref. 343); max. published weight: 13.6 kg (Ref. 99323)
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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Copulation is evident. Life cycle: first stage zoeal larvae moults in 9-12 days after hatching; second stage zoeae moults in 12-14 days after the first moulting, entering the megalopa stage.
Tanase, H. 1967. (Ref. 99852)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Tools
More information
Age/SizeGrowthLength-weightLength-lengthMorphologyLarvaeAbundance
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 9.8 - 23.2, mean 18.8 (based on 142 cells).
Vulnerability
Low vulnerability (20 of 100).