Malacostraca |
Decapoda |
Grapsidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; freshwater; brackish; depth range 0 - 757 m (Ref. 96667). Tropical
Indo-West Pacific.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 5.4 cm CW male/unsexed; (Ref. 125642)
Carapace squarish, surface smooth; front straight; anterolateral margins each with 3 very broad, low nut sharp teeth. Dactylus, propodus, and carpus of legs literally flattened, fringed with long, closely packed setae. Color: light brown to brownish grey on dorsal surfaces.
Also collected by using fish corrals. Inhabits fresh and brackish waters (Ref. 77016). Generally estuarine; prefers areas faced by more oceanic waters. They prefer slow-moving or almost stagnant bodies of water. Species can be found up to 20 km from the sea in completely fresh water. Large or ovigerous specimens can be found in intertidal areas, frequently associated with floating clumps of brown algae, Sargassum spp. (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. (Ref. 343)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items
Diet composition
Food consumption
Food rations
Predators
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profiles
Stamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 11.6 - 24.6, mean 17.7 (based on 745 cells).
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.