Malacostraca | Decapoda
Environment / Climate / Range
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). 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 (Ref. 99852).
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. 115185)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 9.8 - 23.2, mean 18.8 (based on 142 cells).
Low vulnerability (20 of 100)