Leptodius exaratus   (H. Milne Edwards,  1834) (Crab)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Arthropoda
Class: Malacostraca
Order:Decapoda
Family:Xanthidae

Image copyrights: Digitalarchives.tw

Description
Length of carapace: 21 mm
Breadth of carapace: 31 mm

Color: Dirty purple grey, fingers of chelipeds black, with whitish tips. In the young, there is a vertical white band in the middle of the carapace.

Anterolateral borders armed with 4 teeth exclusive of external orbital angle. Carapace convex from before backwards but almost flat from side to side.
Carapace moderately broad and convex in the anterior two-thirds, nearly flat in the posterior third, where also it is not areolated. The surface of the carapace is non-granular, except sometimes in the young. Front not very prominent, but projecting beyond the inner angle of the orbit, or a small denticle below it. Side wall of carapace, edges of upper surface of arm, and edges of legs with a good deal of hair. Chelipeds unequal in both sexes. Upper and outer surface of wrist more or less dimpled or wrinkled; a strong tubercle at inner angle of wrist. Hands usually smooth, but the upper surface has some reticulating wrinkles. Legs with merus sub-cylindrical and smooth, carpus and propodus nearly smooth and sometimes very faintly grooved. Dactylus granular and furred along both edges as far as the claw. Abdomen of male five-jointed.


Synonym (s)
Chlorodius exaratus H. Milne Edwards, 1834
Leptodius exaratus Haswell, 1882
Cancer inaequalis Audouin, 1826
Xantho (Leptodius) exaratus Alcock, 1898
Cancer inaequalis Olivier, 1791
Xantho hydrophilus Montgomery, 1931
Leptodius lividus Paul'son, 1875
Xantho exaratus var. typica Ortmann, 1893

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Reef Associated, Demersal, Rocky, Sandy, Coastal

Biogeography


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Maharashtra, Mumbai (Lat: 18.98) (Long: 72.83) INDIA
• West Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Andaman and Nicobar Islands INDIA
• Lakshadweep INDIA
• Red Sea
• INDIA
• Maharashtra, Mumbai INDIA
• Bay of Bengal
• Arabian Sea
• Persian Gulf
• SRI LANKA
• MALDIVES
• SEYCHELLES
• Palk Bay (Lat: 9.5) (Long: 79.25) INDIA
• Karnataka, Netrani Island (Lat: 14.03) (Long: 74,55) INDIA (Record: 05/2006) (Depth: -(10-15) mts)
• Tamil Nadu, Shingle Island INDIA
• Tamil Nadu, Pulli Island INDIA
• Tamil Nadu, Krusadai Island INDIA
• Tamil Nadu, Mandapam INDIA
• Gujarat, Gulf of Kachchh INDIA
• Maharashtra, Mumbai (Lat: 18.9) (Long: 72.66) INDIA
• Andaman and Nicobar Islands, Mayabunder INDIA
• Gujarat, Okha Reef INDIA
• Karnataka INDIA (Record: 2001-2007)
• Andaman and Nicobar Islands, Car Nicobar INDIA
• East Coast INDIA
• Tamil Nadu INDIA

Literature Source(s)
  • Tikadar, BK; Daniel, A and Subbarao, NV (1986) Sea shore animals of Andaman and Nicobar Islands The Director, ZSI, Kolkatta 188 Available at - ZSI, Pune
  • Roy, MKD and Das, AK (2000) Taxonomy, ecobiology and distribution pattern of the brachyuran crabs of mangrove ecosystem in the Andaman Islands Occasional paper no 185 Records of the Zoological Survey of India ZSI, Calcutta 1-211 Available at - NCL, Pune
  • Venkatraman, K; Srinivasan, M; Satyanarayana, CH and Prabhakar D (2002) Faunal diversity of Gulf of Mannar biosphere reserve Conservation area series 15 ZSI 77 pp; VIII pla Available at - NCL, Pune
  • Chhapgar, BF (1957) Marine crabs of Bombay state Contribution No. 1 of the Taraporevala Marine Biological Station Marine Biological Station, Department of fisheries, Bombay 89 pp Available at - NIO, Goa
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • Simoes, N; Apel, M and David, AJ (2001) Intertidal habitats and decapod faunal assemblages (Crustacea: Decapoda) of Socotra Island, Republic of Yemen Hydrobiologia Kluwer Academic Publishers 449 81-97
  • Kensley, B (1981) On the Zoogeography of Southern Afrian Decapod Crustacea, with a distributional checklist of the species Smithsonian Contributions to Zoology Smithsonian Institution Press, Washington, D.C. 338 23377 Available at - NIO, RC Kochi
  • Jeyabaskaran, R; Wafar, S and Wafar, M (2002) CD on Brachyuran Crabs of West Coast, India Available at - http://www.nio.org/Biology/brachyuran/index.html
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • hkwildlife.net Available at - http://www.hkwildlife.net/
  • Zacharia, PU; Krishnakumar, PK; Dineshbabu, AP; Vijayakumaran, K; Rohit, P; Thomas, S; Sasikumar, G; Kaladharan, P; Durgekar, RN and Mohamed, KS (2008) Species assemblage in the coral reef ecosystem of Netrani Island off Karnataka along the southwest coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 50(1) 87-97 Available at - NIO, Goa
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at - http://tnenvis.nic.in
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. Available at - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • Digitalarchives.tw Available at - http://catalog.digitalarchives.tw/dacs5/System/Main.jsp
  • Sankarankutty, C (1966) On Decapoda Brachyura from the Gulf of Mannar and Palk Bay Proceedings of the Symposium on Crustacea Marine Biological Association of India, Mandapam Camp Part I 347-362 Available at - http://eprints.cmfri.org.in/2394/1/Article_32.pdf
  • Sealifebase Available at - http://www.sealifebase.org/
  • Gokul, A and Venkataraman, K (2005) Status and biology of coral associated Xanthid crabs in Gulf of Mannar Biosphere Reserve Proceedings of the National Seminar on Reef Ecosystem Remediation SDMRI Special Research Publication No.9 142-147 Available at - http://www.sdmri.org/reports/proceedings%202005%20-%20sdmri.pdf
  • Roy, MKD and Nandi, NC (2005) Brachyuran diversity of coral reef ecosystems in India Proceedings of the National Seminar on Reef Ecosystem Remediation SDMRI Special Research Publication No.9 220-231 Available at - http://www.sdmri.org/reports/proceedings%202005%20-%20sdmri.pdf
  • Gaonkar, CA; Sawant, SS; Anil, AC; Krishnamurthy, V and Harkantra, SN (2010) Changes in the occurance of hard substratum fauna: A case study from Mumbai harbour, India Indian Journal of Marine Sciences National Institute of Science Communication and Information Resources, CSIR, New Delhi, India 39(1) 74-84 Available at - http://drs.nio.org/drs/bitstream/2264/3596/1/Indian_J_Mar_Sci_39_74.pdf
  • Deb, M and Rao, GC (1993) A check-list of the brachyuran crabs (Crustacea: Decapoda)of Bay islands Journal Of The Andaman Science Association Andaman Science association, Port Blair 8(1-2) 25-34 Available at - NIO, Goa
  • Sankarankutty, C. (1962) On Decapoda Brachyura from the Andaman and Nicobar Islands : 2. Family Xanthidae Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 4(1) 121-150 Available at - http://eprints.cmfri.org.in/911/1/Article_11.pdf
  • Gopalakrishnan, P (1970) Some observations on the shore ecology of the Okha Coast Journal of the Marine Biological Association of India Cochin, India 120(1&2) 15-34 Available at - NIO, Goa
  • Dineshbabu, AP; Durgekar, RN and Zacharia, PU (2011) Estuarine and marine decapods of Karnataka inventory Fishing Chimes Mr.J.V.H. Dixitulu 30 (10-11) 20-24 Available at - http://eprints.cmfri.org.in/7950/1/Dineshbabu-Fishing_Chimes_30(10%2611).pdf
  • James, PSBR ; Thomas, PA ; Pillai, CSG and Achari Kumaraswamy, GP (1969) ´╗┐Catalogue of types and of sponges, corals, polychaetes, crabs and echinoderms in the reference collections of the Central Marine Fisheries Research Institute Bulletin of Central Marine Research Institute CMFRI, Cochin 7 1-66 Available at - http://eprints.cmfri.org.in/567/1/Bulletin_7.pdf
  • Roy, MKD and Nandi NC (2007) Brachyuran diversity in coastal ecosystems of Tamil Nadu Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 4(2) 169-192 Available at - NIO,Goa

Page last updated on:2011-10-10

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