The mangrove horseshoe crab (Carcinoscorpius rotundicauda), also known as the round-tailed horseshoe crab,[2] is a species of horseshoe crab, a chelicerate arthropod found in tropical marine and brackish waters of India, Bangladesh, and Southeast Asia. It may also occur in Sri Lanka, Myanmar and the Philippines, but confirmed records are lacking.[3] It is the only species in the genus Carcinoscorpius.[4]
The biology, ecology and breeding patterns of C. rotundicauda and the two other Asian horseshoe crab species, Tachypleus gigas and Tachypleus tridentatus, have not been as well documented as those of the North American species Limulus polyphemus. All four extant species of horseshoe crabs are anatomically very similar, but C. rotundicauda is considerably smaller than the others and the only species where the cross section of the tail (telson) is rounded instead of essentially triangular.[5]
^World Conservation Monitoring Centre (1996). "Carcinoscorpius rotundicauda". IUCN Red List of Threatened Species. 1996: e.T3856A10123044. doi:10.2305/IUCN.UK.1996.RLTS.T3856A10123044.en. Retrieved 15 November 2021.
^"Identification guide". Horseshoe Crab monitoring site. Retrieved 27 June 2018.
^Vestbo, Stine; Obst, Matthias; Fernandez, Francisco J. Quevedo; Intanai, Itsara; Funch, Peter (May 2018). "Present and Potential Future Distributions of Asian Horseshoe Crabs Determine Areas for Conservation". Frontiers in Marine Science. 5 (164): 1–16. doi:10.3389/fmars.2018.00164.
^Myers, P.; Espinosa, R.; Parr, C. S.; Jones, T.; Hammond, G. S.; Dewey, T. A., eds. (2023). "Carcinoscorpius". Animal Diversity Web. University of Michigan Museum of Zoology. Retrieved 21 January 2023.
^"About the Species". The Horseshoe Crab. Retrieved 26 June 2018.
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