Freshwater Decapod

The following table lists the species in this taxon assessed under the Singapore Red List, which is intended to be published in the third edition of the Singapore Red Data Book in future.

You may find information regarding the International Union for Conservation of Nature (IUCN), Red Data Book version 2 (RDB2) and Red Data Book version 3 (RDB3) conservation statuses. The IUCN conservation status is assessed globally while the RDB2 and RDB3 conservation statuses are assessed locally.

The information below is accurate as at the time of the listing online for the taxon.

Checklist of freshwater decapod from Singapore

Phylum	Class	Order	Family	Genus	Species	Authority	Common Name	Global IUCN Status	RDB2 Status	RDB3 Status
Arthropoda	Malacostraca	Decapoda	Gecarcinucidae	Irmengardia	johnsoni	Ng & Yang, 1985	Johnson's Freshwater Crab	VU	EN	VU
Arthropoda	Malacostraca	Decapoda	Gecarcinucidae	Parathelphusa	maculata	De Man 1879	Lowland Freshwater Crab	LC	Not Listed	LC
Arthropoda	Malacostraca	Decapoda	Gecarcinucidae	Parathelphusa	reticulata	Ng, 1990	Swamp Forest Crab	CR	EN	EN
Arthropoda	Malacostraca	Decapoda	Potamidae	Johora	singaporensis	Ng , 1986	Singapore Freshwater Crab	CR	EN	EN
Arthropoda	Malacostraca	Decapoda	Sesarmidae	Geosesarma	peraccae	(Nobili, 1903)	Peracca's Land Crab	Not Listed	VU	VU
Arthropoda	Malacostraca	Decapoda	Sesarmidae	Geosesarma	nemesis	Ng, 1986	Little Land Crab	Not Listed	EN	EN
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	equidens	(Dana, 1852)	Rough River Prawn	LC	Not Listed	EN
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	malayanum	(Roux, 1934)	Malayan River Prawn	LC	Not Listed	LC
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	platycheles	Ou & Yeo, 1995	Torrent Prawn	LC	CR	CR
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	sundaicum	(Heller, 1862)	Sunda River Prawn	LC	Not Listed	VU
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	pilimanus	(De Man, 1879)	Muff River Prawn	LC	Not Listed	EN
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	rosenbergii	(De Man, 1879)	Giant River Prawn	LC	NEx	NEx
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	scabriculum	(Heller, 1862)	Goda River Prawn	LC	Not Listed	NEx
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	neglectum	(De Man, 1905)	Java River Prawn	LC	Not Listed	NEx
Arthropoda	Malacostraca	Decapoda	Palaemonidae	Macrobrachium	idae	(Heller, 1862)	Orana River Prawn	LC	NEx	NEx
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	peninsularis	Kemp, 1918	Peninsular Caridina	LC	Not Listed	EN
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	gracilirostris	De Man, 1892	Needlenose Caridina	LC	Not Listed	EN
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	propinqua	De Man, 1908	Bengal Caridina	LC	Not Listed	VU
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	sumatrensis	De Man, 1892	Sumatra Caridina	LC	Not Listed	NEx
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	gracilipes	De Man, 1892	Slender-legged Caridina	LC	Not Listed	CR
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	bruneiana	Choy, 1992	Brunei Caridina	LC	Not Listed	NEx
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	temasek	Choy & Ng, 1991	Temasek Caridina	LC	EN	EN
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	johnsoni	Cai, Ng & Choy, 2007	Johnson's Caridina	LC	Not Listed	LC
Arthropoda	Malacostraca	Decapoda	Atyidae	Caridina	malayensis	Cai, Ng & Choy, 2007	Malayan Caridina	LC	Not Listed	EN
Arthropoda	Malacostraca	Decapoda	Alpheidae	Potamalpheops	amnicus	Yeo & Ng, 1997	Riverine Alpheid Shrimp	EN	EN	EN

The list of the Categories used in 3^rd edition of the Red List is:

	Category	Abbreviation	Criteria
Not Threatened	Least Concern	LC	Not approaching the above criteria
Not Threatened	Near-Threatened	NT	Approaching but not yet reaching the threshold for the above criteria
Threatened	Vulnerable	VU	There are fewer than 1,000 mature individuals but more than 250 and there may or may not be any other evidence of decline, small range size or fragmentation.
	Endangered	EN	There are fewer than 250 mature individuals and no other evidence of decline or fragmentation.
	Critically Endangered	CR	There are fewer than 50 mature individuals, OR if more than 50 mature individuals but less than 250, with some evidence of decline or fragmentation.
Extirpation & Extinction	Presumed Nationally Extinct	NEx	The species is extinct (extirpated) within Singapore but it still survives outside Singapore.
Extirpation & Extinction	Globally Extinct	EX	The species is extinct all over the world, both in the wild and in cultivation
Other Categories	Data Deficient	DD	Inadequate information to make an informed assessment
	Not Applicable	NA	Species that are not eligible for assessment at the national level (mainly introduced taxa and vagrants)
	Not Evaluated	NE	Species that are possibly eligible for assessment but have not yet been evaluated against the criteria
	Not Listed	NL	Species not listed in the records (in the IUCN Global Red List database, or the first edition Singapore Red Data Book - RDB 1 and second edition Singapore Red Data Book - RDB 2) for whatever reason