Parathelphusa convexa

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Parathelphusa convexa
Parathelphusidae.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Gecarcinucidae
Genus: Parathelphusa
Species:
P. convexa
Binomial name
Parathelphusa convexa
(De Man, 1879)
Synonyms [2]
  • Cancer (Thelphusa) convexus Herklots, 1861
  • Paratelphusa convexa De Man, 1879
  • Parathelphusa dentipes Heller, 1862

The yuyu [3] (Parathelphusa convexa) is a species of gecarcinucid crab. It is native to Java, [1] and lives on rice paddies and rivers. They are often preyed upon by storks, ducks, large fish, toads and asian water monitors.

Contents

Description

They have a dark brown trapezium-shaped carapace with three teeth and small eyes, with the third maxilliped closed shut. [4]

Uses

The corpses of this crab is used as a pest control as its smell attracts Leptocorisa oratoria , which eats rice ears. [5]

References

  1. 1 2 Esser, L. and Cumberlidge, N. (2008). "Parathelphusa convexa". IUCN Red List of Threatened Species . 2008: e.T134682A3997689. doi: 10.2305/IUCN.UK.2008.RLTS.T134682A3997689.en . Retrieved 7 December 2024.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. "Parathelphusa convexa". WoRMS. World Register of Marine Species . Retrieved 8 December 2024.
  3. "Yuyu (Parathelphusa convexa)". iNaturalist. Retrieved 2025-05-26.
  4. Eprilurahman, Rury; Baskoro, Wahyu Tejo; T, Trijoko (2015-12-30). "Keanekaragaman Jenis Kepiting (Decapoda: Brachyura) di Sungai Opak, Daerah Istimewa Yogyakarta". Biogenesis: Jurnal Ilmiah Biologi. 3 (2): 100–108. doi: 10.24252/bio.v3i2.934 .
  5. Ariana, I. Made Eka; Javandira, Cokorda; Sapanca, Putu Lasmi Yuliyanthi (2020-04-30). "PENGARUH WAKTU PEMBUSUKAN YUYU SAWAH (Parathelphusa convexa) TERHADAP KETERTARIKAN HAMA WALANG SANGIT (Leptocorisa oratorius) PADA TANAMAN PADI". AGRIMETA: Jurnal Pertanian Berbasis Keseimbangan Ekosistem. 10 (19): 32–37. ISSN   2721-2556.