Varuna litterata   (Fabricius, 1798)

Peregrine crab

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Varuna litterata  AquaMaps  Data sources: GBIF OBIS
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Varuna litterata

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Malacostraca | Decapoda | Grapsidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; freshwater; brackish; depth range 0 - 757 m (Ref. 96667).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 5.4 cm CW male/unsexed; (Ref. 125642)

Short description Morphology

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.

Biology     Glossary (e.g. epibenthic)

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.

Main reference References | Coordinator | Collaborators

Ng, P.K.L. 1998. (Ref. 343)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion
Collaborators
Pictures

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 11.6 - 24.6, mean 17.7 (based on 745 cells).
Price category (Ref. 80766): Unknown.