Malacostraca |
Decapoda |
Geryonidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; depth range 200 - 1620 m (Ref. 343). Deep-water
Western Pacific.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 18.0 cm CW male/unsexed; (Ref. 343); 15 cm CW (female)
Carapace hexagonal; dorsal surface not inflated; anterolateral teeth low. Merus of legs long, slender. Dactylus of legs are laterally flattened, height at midlength greater than or subequal to width at midlength. Color: reddish tan to purplish black (anterior half of carapace may be differently colored than posterior half), sometimes cream-white throughout.
Maximum depth from Ref. 99823. Inhabits muddy substrates in deeper waters and sometimes burrows into the sediments (Ref. 343).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.
Ng, P.K.L. 1998 Crabs. p. 1045-1155. In K.E. Carpenter and V.H. Niem (eds) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 2. Cephalopods, crustaceans, holothurians and sharks. Rome, FAO. 1998. pp. 687-1396. (Ref. 343)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
Fisheries: commercial
| FishSource |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 6.2 - 14.3, mean 8.9 (based on 31 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
