Varuna yui   Hwang & Takeda, 1984

Sundaic paddler crab
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drawing shows typical species in Grapsidae.

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

Malacostraca | Decapoda | Grapsidae

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

Benthic; freshwater; brackish.  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific: continental shelf waters of the Sunda Shelf up to southern China and Philippines.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 5.0 cm CW male/unsexed; (Ref. 343)

Biology     Glossary (e.g. epibenthic)

Also collected by fish corrals.

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: Version 2024-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses

Fisheries: commercial
| FishSource |

Tools

E-book | Field guide

More information

Trophic Ecology
Food items
Diet
Food consumption
Ration
Predators
Ecology
Ecology
Home ranges
Population dynamics
Growth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Human Related
Aquaculture profile
Stamps, Coins Misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Pictures
References
References

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

Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.

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