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First record of a potamid crab (Decapoda: Brachyura) from Odisha State, India

Abstract

Freshwater crabs of the family Potamidae Ortmann, 1896, have so far not been recorded in the state of Odisha in India. We report for the first time a potamid crab, Acanthopotamon martensi (Wood-Mason, 1875), from Odisha. With this record, in addition to the ‘Ganges Delta and Plain’ and the ‘Lower and Middle Indus’ freshwater ecoregions, A. martensi is now known to occur also in the ‘Northern Deccan Plateau’ ecoregion. The present record of A. martensi from Odisha represents the southernmost record of the family Potamidae in the Indian subcontinent. In fact, A. martensi is one of two potamid species that is known from south of the Ganges. Five species of freshwater crabs, including A. martensi, are now known from Odisha.

Keywords:
Acanthopotamon; freshwater crab; new record; Potamidae; Potaminae

Odisha is the largest state among the states of eastern India. The diversity of freshwater crabs in Odisha, however, is relatively lower (four species) compared to other eastern Indian states viz., Bihar (six species) and West Bengal (16 species) (Pati and Thackeray, 2018Pati SK and Thackeray T 2018. The freshwater crab genera Ghatiana Pati & Sharma, Gubernatoriana Bott, and Inglethelphusa Bott (Crustacea: Decapoda: Brachyura: Gecarcinucidae) revisited, with descriptions of a new genus and eleven new species. Zootaxa, 4440(1): 1-73. https://doi.org/10.11646/zootaxa.4440.1.1
https://doi.org/10.11646/zootaxa.4440.1....
). The four species of freshwater crabs known from Odisha to date all belong to the family Gecarcinucidae Rathbun, 1904: Barytelphusa cunicularis (Westwood in Sykes, 1836Sykes WH 1836. Some account of the land crabs of the Dukhun; by Lieut. Col. W.H. Sykes, with a description of the species, by J.O. Westwood. Transactions of the Entomological Society of London, 1(3): 181-184. https://www.biodiversitylibrary.org/item/48195#page/199/mode/1up
https://www.biodiversitylibrary.org/item...
) (see Chopra and Tiwari, 1947Chopra B and Tiwari KK 1947. Decapoda Crustacea of the Patna State, Orissa. Records of the Indian Museum, 45(2-3): 213-224. https://faunaofindia.nic.in/PDFVolumes/records/045/02-03/0213-0224.pdf
https://faunaofindia.nic.in/PDFVolumes/r...
; Ramakrishna, 1951Ramakrishna G 1951. Notes on some Indian Potamonid crabs (Crustacea: Decapoda). Records of the Indian Museum, 48(2): 89-92. https://faunaofindia.nic.in/PDFVolumes/records/048/02/0089-0092.pdf
https://faunaofindia.nic.in/PDFVolumes/r...
); Oziotelphusa ganjamensis Pati and Sharma, 2012 (see Pati and Sharma, 2012Pati SK and Sharma RM 2012. Oziotelphusa ganjamensis, a new species of freshwater crab (Brachyura: Gecarcinucidae) from south Odisha (Orissa) state, eastern India. Zootaxa, 3528: 49-56. https://doi.org/10.11646/ZOOTAXA.3528.1.3
https://doi.org/10.11646/ZOOTAXA.3528.1....
); Sartoriana spinigera (Wood-Mason, 1871Wood-Mason J 1871. Contribution to Indian Carcinology. - On Indian and Malayan Telphusidae, Part-I. Journal of the Asiatic Society of Bengal, Part II (Physical Science), 40(4): 189-200. https://www.biodiversitylibrary.org/item/110241#page/231/mode/1up
https://www.biodiversitylibrary.org/item...
) (see Henderson, 1893Henderson JR 1893. A Contribution to Indian Carcinology. Transaction of the Linnean Society of London, Series 2, 5(Part-10): 325-458. https://doi.org/10.5962/bhl.title.10516
https://doi.org/10.5962/bhl.title.10516...
; Rathbun, 1905Rathbun MJ 1905. Les crabes d’eau douce (Potamonidae). Nouvelles Archives du Muséum d’Histoire Naturelle, Paris, (4), 7: 159-321. https://www.biodiversitylibrary.org/item/112422#page/179/mode/1up
https://www.biodiversitylibrary.org/item...
; Alcock, 1910Alcock A 1910. Catalogue of the Indian decapod Crustacea in the collection of the Indian Museum. Part I. Brachyura. Fasciculus II. The Indian fresh-water crabs-Potamonidae. Calcutta, Indian Museum, 135p. https://decapoda.nhm.org/pdfs/26943/26943.pdf
https://decapoda.nhm.org/pdfs/26943/2694...
); and Spiralothelphusa hydrodroma (Herbst, 1794Herbst JFW 1794. Versuch einer Naturgeschichte der Krabben und Krebse, nebst einer systematischen Beschereibung ihrer verschiedenen Arten. Zweyter Band. Berlin and Stralsund, Gottlieb August Lange, 225p. https://www.biodiversitylibrary.org/item/131104#page/7/mode/1up
https://www.biodiversitylibrary.org/item...
) (see Chopra and Tiwari, 1947Chopra B and Tiwari KK 1947. Decapoda Crustacea of the Patna State, Orissa. Records of the Indian Museum, 45(2-3): 213-224. https://faunaofindia.nic.in/PDFVolumes/records/045/02-03/0213-0224.pdf
https://faunaofindia.nic.in/PDFVolumes/r...
; Deb, 1998aDeb M 1998a. Crustacea. p. 129-159. In: The Director (Ed.), Fauna of Mahanadi Estuary, Orissa, Estuarine Ecosystem Series 3. Calcutta, Zoological Survey of India. https://faunaofindia.nic.in/PDFVolumes/ess/003/index.pdf
https://faunaofindia.nic.in/PDFVolumes/e...
). No species of the family Potamidae Ortmann, 1896, is so far known from Odisha. A potamid crab, Acanthopotamon martensi (Wood-Mason, 1875Wood-Mason J 1875. On new or little-known crustaceans. Proceedings of the Asiatic Society of Bengal, (for 1875): 230-232. https://www.biodiversitylibrary.org/page/34520595#page/272/mode/1up
https://www.biodiversitylibrary.org/page...
) of the subfamily Potaminae Ortmann, 1896, is reported herein for the first time from Odisha.

The material examined is deposited in the Zoological Survey of India, Western Regional Centre, Pune, India (ZSI-WRC), while the comparative material was from the Crustacea Section of the Zoological Survey of India, Kolkata, India (ZSIK). The specimens were identified using the key of Pati et al. (2019Pati SK; Mitra S and Yeo DCJ 2019. A new species of Acanthopotamon Kemp, 1918 (Decapoda: Brachyura: Potamidae: Potaminae) from northeastern India, with a key to the species of the genus and notes on their distribution in relation to freshwater ecoregions. Journal of Crustacean Biology, 39(4): 450-458. https://doi.org/10.1093/jcbiol/ruz040
https://doi.org/10.1093/jcbiol/ruz040...
). The terminologies and measurement methods of the carapace are after Ng (1988Ng PKL 1988. The freshwater crabs of Peninsular Malaysia and Singapore. Singapore, Department of Zoology, National University of Singapore, Shinglee Press, 156p.). The following abbreviations are used: CW, width of carapace; CL, length of carapace; coll., collector; G1, male first gonopod; G2, male second gonopod.

SYSTEMATICS

Superfamily Potamoidea Ortmann, 1896

Family Potamidae Ortmann, 1896

Subfamily Potaminae Ortmann, 1896

Genus Acanthopotamon Kemp, 1918Kemp S 1918. Crustacea Decapoda of the Inle Lake basin. Records of the Indian Museum, 14: 81-102. https://www.biodiversitylibrary.org/item/41767#page/147/mode/1up
https://www.biodiversitylibrary.org/item...

Acanthopotamon martensi ( Wood-Mason, 1875Wood-Mason J 1875. On new or little-known crustaceans. Proceedings of the Asiatic Society of Bengal, (for 1875): 230-232. https://www.biodiversitylibrary.org/page/34520595#page/272/mode/1up
https://www.biodiversitylibrary.org/page...
)

(Fig. 1)

Figure 1.
Acanthopotamon martensi (Wood-Mason, 1875Wood-Mason J 1875. On new or little-known crustaceans. Proceedings of the Asiatic Society of Bengal, (for 1875): 230-232. https://www.biodiversitylibrary.org/page/34520595#page/272/mode/1up
https://www.biodiversitylibrary.org/page...
), male (29.97 × 24.13 mm) (ZSI-WRC C.1920). A, Overall dorsal view; B, left G1 in dorsal view; C, left G1 terminal segment in dorsal view; D, left G1 in ventral view; E, left G2. Scale bars = A, 10 mm; B, D, E, 1 mm; C, 0.5 mm.

Paratelphusa martensiWood-Mason, 1875Wood-Mason J 1875. On new or little-known crustaceans. Proceedings of the Asiatic Society of Bengal, (for 1875): 230-232. https://www.biodiversitylibrary.org/page/34520595#page/272/mode/1up
https://www.biodiversitylibrary.org/page...
: 230.

Paratelphusa martensi - Wood-Mason, 1876Wood-Mason J 1876. A conspectus of the species of Paratelphusa, an Indo-Malayan genus of freshwater crabs. Annals and Magazine of Natural History, Series 4, 17(98): 120-122. https://doi.org/10.1080/00222937608681916
https://doi.org/10.1080/0022293760868191...
: 122 (list). - Henderson, 1893Henderson JR 1893. A Contribution to Indian Carcinology. Transaction of the Linnean Society of London, Series 2, 5(Part-10): 325-458. https://doi.org/10.5962/bhl.title.10516
https://doi.org/10.5962/bhl.title.10516...
: 386.

Parathelphusa martensi - de Man, 1898de Man JG 1898. Viaggio di Leonardo Fea in Birmanica e regioni vicine. LXXXI.- Note sur quelques espèces des genres Parathelphusa H.M.E. et Potamon Sav., recueillies par M. Leonardo Fea pendant son voyage en Birmanie. Annali del Museo civico di Storia naturale di Genova, (2), 19(39): 384-440. https://www.biodiversitylibrary.org/item/33431#page/392/mode/1up
https://www.biodiversitylibrary.org/item...
: 438 (list).

Potamon (Parathelphusa) martensi - Rathbun, 1905Rathbun MJ 1905. Les crabes d’eau douce (Potamonidae). Nouvelles Archives du Muséum d’Histoire Naturelle, Paris, (4), 7: 159-321. https://www.biodiversitylibrary.org/item/112422#page/179/mode/1up
https://www.biodiversitylibrary.org/item...
: 258.

Potamon (Acanthotelphusa) martensi - Alcock, 1910Alcock A 1910. Catalogue of the Indian decapod Crustacea in the collection of the Indian Museum. Part I. Brachyura. Fasciculus II. The Indian fresh-water crabs-Potamonidae. Calcutta, Indian Museum, 135p. https://decapoda.nhm.org/pdfs/26943/26943.pdf
https://decapoda.nhm.org/pdfs/26943/2694...
: 68. - Ramakrishna, 1951Ramakrishna G 1951. Notes on some Indian Potamonid crabs (Crustacea: Decapoda). Records of the Indian Museum, 48(2): 89-92. https://faunaofindia.nic.in/PDFVolumes/records/048/02/0089-0092.pdf
https://faunaofindia.nic.in/PDFVolumes/r...
: 92.

Potamon (Spinopotamon) martensi - Bott, 1966Bott R 1966. Potamiden aus Asien (Potamon Savigny und Potamiscus Alcock). Senckenbergiana biologica, 47(6): 469-509. https://decapoda.nhm.org/pdfs/26960/26960.pdf
https://decapoda.nhm.org/pdfs/26960/2696...
: 476.

Acanthopotamon martensi - Bott, 1970Bott R 1970. Die Süßwasserkrabben von Europa, Asien, Australien und ihre Stammesgeschichte. Eine Revision der Potamoidea und Parathelphusoidea (Crustacea, Decapoda). Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft, 526: 1-338. https://decapoda.nhm.org/pdfs/11972/11972-001.pdf
https://decapoda.nhm.org/pdfs/11972/1197...
: 145. - Deb, 1998bDeb M 1998b. Crustacea: Decapoda: Crabs. p. 345-403. In: The Director (Ed.), Fauna of West Bengal, State Fauna Series 3(Part-10). Calcutta, Zoological Survey of India. https://faunaofindia.nic.in/PDFVolumes/sfs/016/index.pdf
https://faunaofindia.nic.in/PDFVolumes/s...
: 382. - Yeo and Ng, 2007Yeo DCJ and Ng PKL 2007. On the genus “Potamon” and allies in Indochina (Crustacea: Decapoda: Brachyura: Potamidae). Raffles Bulletin of Zoology, Supplement 16: 273-308. https://lkcnhm.nus.edu.sg/wp-content/uploads/sites/10/app/uploads/2017/06/s16rbz273-308.pdf
https://lkcnhm.nus.edu.sg/wp-content/upl...
: 275 (list). - Ng et al., 2008Ng PKL; Guinot D and Davie PJF 2008. Systema Brachyurorum: Part I. An annotated checklist of extant brachyuran crabs of the world. Raffles Bulletin of Zoology, Supplement 17: 1-286. https://lkcnhm.nus.edu.sg/wp-content/uploads/sites/10/app/uploads/2017/04/s17rbz.pdf
https://lkcnhm.nus.edu.sg/wp-content/upl...
: 159 (list). - Rahman et al., 2008Rahman MA; Rahman MM; Ahmed ATA; Mollah AR and Hossain MA 2008. A survey on the diversity of freshwater crabs in some wetland ecosystems of Bangladesh. International Journal of Sustainable Crop Production, 3(4): 10-17. http://ggfjournals.com/assets/uploads/10-172.pdf
http://ggfjournals.com/assets/uploads/10...
: 13. - Ng et al., 2011Ng PKL ; Nesemann HF and Sharma G 2011. A new freshwater species of Neorhynchoplax Sakai, 1938 (Crustacea: Decapoda: Hymenosomatidae) from Patna, Bihar, India. Zootaxa, 3063(1): 53-63. https://doi.org/10.11646/zootaxa.3063.1.4
https://doi.org/10.11646/zootaxa.3063.1....
: 60 (list). - Nesemann et al., 2013Nesemann H; Sharma S; Sharma G; Khanal SN; Pradhan B; Shah DN and Tachamo RD 2013. Aquatic invertebrates of the Ganga River System (Mollusca, Annelida, Crustacea [in part]). Volume I. Nepal, Kathmandu, H. Nesemann, May 2007 (Revised Nomenclature April 2013, Patna), 263p.: 218 (list). - Klaus et al., 2017Klaus S; Singh B; Hartmann L; Krishan K; Ghosh A and Patnaik R 2017. A fossil freshwater crab from the Pliocene Tatrot Formation (Siwalik Group) in Northern India (Crustacea, Brachyura, Potamidae). Palaeoworld, 26(3): 566-571. https://doi.org/10.1016/j.palwor.2016.08.003
https://doi.org/10.1016/j.palwor.2016.08...
: 567. - Pati and Thackeray, 2018Pati SK and Thackeray T 2018. The freshwater crab genera Ghatiana Pati & Sharma, Gubernatoriana Bott, and Inglethelphusa Bott (Crustacea: Decapoda: Brachyura: Gecarcinucidae) revisited, with descriptions of a new genus and eleven new species. Zootaxa, 4440(1): 1-73. https://doi.org/10.11646/zootaxa.4440.1.1
https://doi.org/10.11646/zootaxa.4440.1....
: 9 (list). - Pati et al., 2019Pati SK; Mitra S and Yeo DCJ 2019. A new species of Acanthopotamon Kemp, 1918 (Decapoda: Brachyura: Potamidae: Potaminae) from northeastern India, with a key to the species of the genus and notes on their distribution in relation to freshwater ecoregions. Journal of Crustacean Biology, 39(4): 450-458. https://doi.org/10.1093/jcbiol/ruz040
https://doi.org/10.1093/jcbiol/ruz040...
: 451 (list).

Material examined.2 males (29.97 × 24.13 mm, 26.34 × 19.43 mm), 2 females (23.94 × 19.45 mm, 23.24 × 18.99 mm), ZSI-WRC C.1920, India, Odisha State, Jagatsinghpur District, Banikunda, 20.332 86.155, altitude 12 m, 23 July 2017, S.R. Mohanty coll.; 5 males (22.58 × 17.90 mm, 22.35 × 18.43 mm, 22.34 × 18.18 mm, 21.50 × 17.64 mm, 20.15 × 16.65 mm), ZSI-WRC C.1921, same data as preceding collection.

Comparative material. Syntype male (29.2 × 22.0 mm), ZSIK 4069/4, India, Bihar State, Purnia District, Purnia (= Purneah) [~ 25.780 87.470], altitude ~ 42 m, no date, museum collector.

Diagnosis. Carapace subhexagonal, relatively broad (CW/CL = 1.3-1.4); anterolateral margins each with 3 prominent epibranchial teeth; first epibranchial tooth distinctly broader than second- and third epibranchial teeth, directed anteriorly, basally broad, tip acute, separated from external orbital tooth by distinct cleft; second epibranchial tooth directed laterally, basally narrow, tip acute; third epibranchial tooth directed laterally, basally broad, tip acute; posterolateral margins almost straight, converging; postorbital cristae relatively long, extending beyond level of mid supraorbital margin; external orbital tooth broadly triangular (Fig. 1A). Major cheliped carpus with well-developed, acute inner distal tooth (Fig. 1A). G1 with flexible zone strongly reduced; terminal segment relatively stout, subcylindrical, relatively long, approximately 0.4 times length of subterminal segment; subterminal segment with inner (mesial) margin straight just below flexible zone, outer (lateral) margin sharply raised in proximal half to distinct shelf or hump (Fig. 1B-D). G2 longer than G1, approximately 1.1-1.2 times length of G1; distal segment relatively short, approximately 0.5 times length of basal segment (Fig. 1E).

Ecological notes. Specimens of A. martensi were collected from shallow burrows (< 0.3 m deep) along the margins of a turbid water channel adjacent to rice and sugarcane fields (Fig. 2). The margins of the water channel have a profuse growth of Kans Grass (Saccharum spontaneum L. of the family Poaceae). At the collection site, these crabs are very common and active during the rainy season (July-September) only.

Figure 2.
View of the collection site of Acanthopotamon martensi (Wood-Mason, 1875Wood-Mason J 1875. On new or little-known crustaceans. Proceedings of the Asiatic Society of Bengal, (for 1875): 230-232. https://www.biodiversitylibrary.org/page/34520595#page/272/mode/1up
https://www.biodiversitylibrary.org/page...
) in Odisha, India.

Geographical distribution. Acanthopotamon martensi has a wider distribution in the northern part of the Indian subcontinent, with confirmed records from Bangladesh, India (Bihar, Haryana, Punjab, Uttar Pradesh, Uttarakhand, and West Bengal States), Nepal, and Pakistan (see Pati et al., 2019Pati SK; Mitra S and Yeo DCJ 2019. A new species of Acanthopotamon Kemp, 1918 (Decapoda: Brachyura: Potamidae: Potaminae) from northeastern India, with a key to the species of the genus and notes on their distribution in relation to freshwater ecoregions. Journal of Crustacean Biology, 39(4): 450-458. https://doi.org/10.1093/jcbiol/ruz040
https://doi.org/10.1093/jcbiol/ruz040...
) (Fig. 3). Until now, the distribution of A. martensi was limited to the ‘Ganges Delta and Plain’ and the ‘Lower and Middle Indus’ freshwater ecoregions (Fig. 3) (Abell et al., 2008Abell R; Thieme ML; Revenga C; Bryer M; Kottelat M; Bogutskaya N; Coad B; Mandrak N; Balderas SC; Bussing W; Stiassny MLJ; Skelton P; Allen GR; Unmack P; Naseka A; Ng R; Sindorf N; Robertson J; Armijo E; Higgins JV; Heibel TJ; Wikramanayake E; Olson D; López HL; Reis RE; Lundberg JG; Pérez MHS and Petry P 2008. Freshwater Ecoregions of the World: A New Map of Biogeographic Units for Freshwater Biodiversity Conservation. BioScience, 58(5): 403-414. https://doi.org/10.1641/B580507
https://doi.org/10.1641/B580507...
; Pati et al., 2019Pati SK; Mitra S and Yeo DCJ 2019. A new species of Acanthopotamon Kemp, 1918 (Decapoda: Brachyura: Potamidae: Potaminae) from northeastern India, with a key to the species of the genus and notes on their distribution in relation to freshwater ecoregions. Journal of Crustacean Biology, 39(4): 450-458. https://doi.org/10.1093/jcbiol/ruz040
https://doi.org/10.1093/jcbiol/ruz040...
). The present record of A. martensi from Odisha confirms its occurrence in the ‘Northern Deccan Plateau’ freshwater ecoregion (Fig. 3) (Abell et al., 2008Abell R; Thieme ML; Revenga C; Bryer M; Kottelat M; Bogutskaya N; Coad B; Mandrak N; Balderas SC; Bussing W; Stiassny MLJ; Skelton P; Allen GR; Unmack P; Naseka A; Ng R; Sindorf N; Robertson J; Armijo E; Higgins JV; Heibel TJ; Wikramanayake E; Olson D; López HL; Reis RE; Lundberg JG; Pérez MHS and Petry P 2008. Freshwater Ecoregions of the World: A New Map of Biogeographic Units for Freshwater Biodiversity Conservation. BioScience, 58(5): 403-414. https://doi.org/10.1641/B580507
https://doi.org/10.1641/B580507...
).

Figure 3.
Map showing the distribution of Acanthopotamon martensi (Wood-Mason, 1875Wood-Mason J 1875. On new or little-known crustaceans. Proceedings of the Asiatic Society of Bengal, (for 1875): 230-232. https://www.biodiversitylibrary.org/page/34520595#page/272/mode/1up
https://www.biodiversitylibrary.org/page...
) on the Indian subcontinent.

Remarks. According to Shih et al. (2009Shih H-T; Yeo DCJ and Ng PKL 2009. The collision of the Indian plate with Asia: molecular evidence for its impact on the phylogeny of freshwater crabs (Brachyura: Potamidae). Journal of Biogeography, 36(4): 703-719. https://doi.org/10.1111/j.1365-2699.2008.02024.x
https://doi.org/10.1111/j.1365-2699.2008...
), potamid crabs are not known from the main Indian subcontinent south of the Ganges River. They also noted that strong competition from the dominating gecarcinucid crabs in the Indian Peninsula may have restricted the southward extension of potamids. The present record of A. martensi from Odisha, however, represents the southernmost record of the family Potamidae in the Indian subcontinent. In fact, A. martensi is one of two potamid species that is known from the south of the Ganges, the other species being Acanthopotamon panningi (Bott, 1966Bott R 1966. Potamiden aus Asien (Potamon Savigny und Potamiscus Alcock). Senckenbergiana biologica, 47(6): 469-509. https://decapoda.nhm.org/pdfs/26960/26960.pdf
https://decapoda.nhm.org/pdfs/26960/2696...
) (Fig. 3; see Bott, 1966Bott R 1966. Potamiden aus Asien (Potamon Savigny und Potamiscus Alcock). Senckenbergiana biologica, 47(6): 469-509. https://decapoda.nhm.org/pdfs/26960/26960.pdf
https://decapoda.nhm.org/pdfs/26960/2696...
; Pati et al., 2019Pati SK; Mitra S and Yeo DCJ 2019. A new species of Acanthopotamon Kemp, 1918 (Decapoda: Brachyura: Potamidae: Potaminae) from northeastern India, with a key to the species of the genus and notes on their distribution in relation to freshwater ecoregions. Journal of Crustacean Biology, 39(4): 450-458. https://doi.org/10.1093/jcbiol/ruz040
https://doi.org/10.1093/jcbiol/ruz040...
: fig. 1).

Counting the present record of A. martensi, five species of freshwater crabs are now known from Odisha State. Odisha possesses four major physiographic regions: 1) Eastern Coastal Plains, mainly formed by the deltas of six major rivers; 2) Northern Plateau, an extension of Chota Nagpur Plateau; 3) the Central Tract, consisting of plateaus, hills, uplands and valleys; and 4) Eastern Ghats (Tikader and Chhotani, 1987Tikader BK and Chhotani OB 1987. General information, with lists of faunistic surveys conducted and collecting localities in Orissa state, India. p. 1-23. In: The Director (Ed.), Fauna of Orissa, State Fauna Series 1 (Part-1). Calcutta, Zoological Survey of India. https://faunaofindia.nic.in/PDFVolumes/sfs/001/index.pdf
https://faunaofindia.nic.in/PDFVolumes/s...
). All these regions provide an array of habitats for freshwater crabs. Most of these regions, however, have been under-explored for freshwater crabs. The present new record of A. martensi and the description of a new species by Pati and Sharma (2012Pati SK and Sharma RM 2012. Oziotelphusa ganjamensis, a new species of freshwater crab (Brachyura: Gecarcinucidae) from south Odisha (Orissa) state, eastern India. Zootaxa, 3528: 49-56. https://doi.org/10.11646/ZOOTAXA.3528.1.3
https://doi.org/10.11646/ZOOTAXA.3528.1....
) indicate that there may be more freshwater crab taxa yet to be recognized from the state. More systematic surveys on freshwater crabs, therefore, need to be conducted in Odisha.

ACKNOWLEDGEMENTS

The authors gratefully acknowledge the Director of the Zoological Survey of India, Kolkata, India, for constant encouragement and research facilities. We would like to thank two anonymous reviewers for their valuable comments.

REFERENCES

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    » https://doi.org/10.1641/B580507
  • Alcock A 1910. Catalogue of the Indian decapod Crustacea in the collection of the Indian Museum. Part I. Brachyura. Fasciculus II. The Indian fresh-water crabs-Potamonidae. Calcutta, Indian Museum, 135p. https://decapoda.nhm.org/pdfs/26943/26943.pdf
    » https://decapoda.nhm.org/pdfs/26943/26943.pdf
  • Bott R 1966. Potamiden aus Asien (Potamon Savigny und Potamiscus Alcock). Senckenbergiana biologica, 47(6): 469-509. https://decapoda.nhm.org/pdfs/26960/26960.pdf
    » https://decapoda.nhm.org/pdfs/26960/26960.pdf
  • Bott R 1970. Die Süßwasserkrabben von Europa, Asien, Australien und ihre Stammesgeschichte. Eine Revision der Potamoidea und Parathelphusoidea (Crustacea, Decapoda). Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft, 526: 1-338. https://decapoda.nhm.org/pdfs/11972/11972-001.pdf
    » https://decapoda.nhm.org/pdfs/11972/11972-001.pdf
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  • Author contribution

    Conceptualization and design: SKP, AM. Performed research: SKP, SRM, AM. Acquisition of data: SKP, SRM. Analysis and interpretation of data: SKP, SRM, AM. Preparation of figures: SKP. Writing - original draft: SKP, SRM, AM. Writing - critical review and editing: SKP.
  • Consent for publication

    All authors declare that they have reviewed the content of the manuscript and gave their consent to submit the manuscript.
  • Funding and grant disclosures

    There were no external funding sources for this study.
  • Study permits

    The collection of specimens was done as a regular survey programme by the Zoological Survey of India, and the specimens were deposited in a National Designated Repository.
  • Data availability

    All study material and data are included in the article.

Edited by

Associate Editor:

Célio Magalhães

Data availability

All study material and data are included in the article.

Publication Dates

  • Publication in this collection
    23 Oct 2023
  • Date of issue
    2023

History

  • Received
    10 Nov 2022
  • Accepted
    14 Mar 2023
  • Corrected
    29 July 2024
Sociedade Brasileira de Carcinologia Instituto de Biociências, UNESP, Campus Botucatu, Rua Professor Doutor Antônio Celso Wagner Zanin, 250 , Botucatu, SP, 18618-689 - Botucatu - SP - Brazil
E-mail: editor.nauplius@gmail.com