Parathelphusa convexa

Parathelphusa convexa
Conservation status
Data Deficient  (IUCN 3.1) [1]
Scientific classification
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.

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. 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.
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.