Tiny ones are common but overlooked as they look like bits of dirt
or junk among seaweeds. Some species are larger, more grotesque and
less often encountered.
Features: Most have highly elongated
pincers that stick way out from the sides of its body. Others have
less obvious 'elbows'.
Status and threats: Some of our
elbow crabs are listed among the threatened animals of Singapore.
Like other creatures of the intertidal zone, they are affected by
human activities such as reclamation and pollution. Trampling by careless
visitors also have an impact on local populations.
of the Domed elbow crab.
Changi, Jul 06
many times longer than its body.
Changi, May 06
with egg mass on her abdomen.
Pulau Sekudu, Jun 05
crabs on Singapore shores
Parthenopidae recorded for Singapore
Wee Y.C. and Peter K. L. Ng. 1994. A First Look at Biodiversity
in red are those listed among the threatened
animals of Singapore from Davison, G.W. H. and P. K. L. Ng
and Ho Hua Chew, 2008. The Singapore Red Data Book: Threatened
plants and animals of Singapore.
granulosus (CR: Critically endangered)
elbow crab) (EN: Endangered)
horrida (NE: Presumed Nationally Extinct)
Parthenope longimanus (Caltrop
Parthenope validus=**Enoplolambrus validus
echinatus (EN: Endangered)
(CR: Critically endangered)
Rhinolambrus pelagicus (VU:
- Tan Swee Hee and Martyn E. Y. Low. 20 December 2013. Daldorfia horrida rediscovered in Singapore after a century. Singapore Biodiversity Records 2013: 128-129
- Lim, S.,
P. Ng, L. Tan, & W. Y. Chin, 1994. Rhythm of the Sea: The Life
and Times of Labrador Beach. Division of Biology, School of
Science, Nanyang Technological University & Department of Zoology,
the National University of Singapore. 160 pp.
G.W. H. and P. K. L. Ng and Ho Hua Chew, 2008. The Singapore
Red Data Book: Threatened plants and animals of Singapore.
Nature Society (Singapore). 285 pp.
- Wee Y.C.
and Peter K. L. Ng. 1994. A First Look at Biodiversity in Singapore.
National Council on the Environment. 163pp.
- Jones Diana
S. and Gary J. Morgan, 2002. A Field Guide to Crustaceans of
Australian Waters. Reed New Holland. 224 pp.