Varuna yui, Sundaic paddler crab : fisheries

Varuna yui   Hwang & Takeda, 1984

Sundaic paddler crab
Upload your photos 
 Google image |
Image of Varuna yui (Sundaic paddler crab)
No image available for this species;
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. Inhabits estuarine waters up to 20 km inland in completely freshwater (Ref. 343). Freshwater to shallow subtidal. Occur in shore swamps of much freshwater influences (Ref. 125642).

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 2024-2)

  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 (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
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

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

Comments & Corrections
Back to Search
Random Species
Back to Top