Sukumaran, S. & Sebastian, W. & Zacharia, P.U. & Kizhakudan, S.J. & Akhilesh, K.V. & Thomas, S. & Roul, S.K. & Muktha, M. & Sen, S.P. & Purushottama, G.B. & Rahangdale, S. & Bineesh, K.K. & Kishor, T.G. & Gopalakrishnan, A. (2023)
Population genetic research on the Spadenose shark, Scoliodon laticaudus (Chondrichthyes, Carcharhinidae), reveals the presence of two significantly differentiated clades along the Indian coast. Marine Biodiversity, 53(1), Article 16
DOI: 10.1007/s12526-022-01324-x

Akhilesh, K.V. & Kizhakudan, S.J. & Muktha, M. & Najmudeen, T.M. & Thomas, S. & Karnad, D. & Sutaria, D. & Fernandes, M. & Gupta, T. & Namboothri, N. & Patankar, V. & Dash, S.S. & Varghese, S.P. & Biju Kumar, A. & Barnes, A. & Bineesh, K.K. & John, S. & Gangal, M. & Manjebrayakath, H. & Malayilethu, V. & Tyabji, Z. & Malaika, V. & Sukumaran, S. & Purushottama, G.B. & Wilson, L. & Mahesh, V. & Nair, R.J. & Remya, L. & Rahangdale, S. & Manojkumar, P.P. & Sivakumar, K. & Vivekanandan, E. & Zacharia, P.U. & Gopalakrishnan, A. (2023)
Elasmobranch conservation, challenges and management strategy in India: recommendations from a national consultative meeting. Current Science, 124(3), 292–303
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Sen, S. & Thomas, S. & Joe Kizhakudan, S. & Dash, G. & Pradhan, R.K. & Ghosh, S. & Das, M. & Dash, B. & Zacharia, P.U. (2022)
New observations of the endangered giant freshwater whipray, Urogymnus polylepis, provide further evidence for its distribution and breeding in the north-east coast of India. Journal of Fish Biology, 101(6), 1611–1616
DOI: 10.1111/jfb.15223

Purushottama, G.B. & Thomas, S. & Kizhakudan, S.J. & Zacharia, P.U. (2022)
Catch composition, reproductive biology and diet of the bowmouth guitarfish Rhina ancylostomus Bloch and Shneider, 1801 (Batoidea: Rhinidae) in the eastern Arabian Sea, India. Indian Journal of Fisheries, 69(3), 1–11
DOI: 10.21077/ijf.2022.69.3.117929-01

Thomas, S. & Muktha, M. & Sen, S. & Kizhakudan, S.J. & Akhilesh, K.V. & Purushottama, G.B. & Mahesh, V. & Rahangdale, S. & Zacharia, P.U. & Najmudeen, T.M. & Manojkumar, P.P. & Remya, L. & Wilson, L. & Roul, S.K. & Pradhan, R. & Seetha, P.K. & Yousuf, K. & Nataraja, G.D. (2021)
Status of the hammerhead shark (Carcharhiniformes: Sphyrnidae) fishery in Indian waters with observations on the biology of scalloped hammerhead Sphyrna lewini (Griffith & Smith, 1834). Aquatic Conservation, Marine and Freshwater Ecosystems, 31(11), 3072–3086
DOI: 10.1002/aqc.3686

Najmudeen, T.M. & Sharma, S.R.K. & Joshy, A. & Zacharia, P.U. (2020)
Dermal fibroma in a tawny nurse shark, Nebrius ferrugineus (Lesson, 1831). Journal of Applied Ichthyology, 36(2), 240–242
DOI: 10.1111/jai.14006

Sukumaran, S. & Sebastian, W. & Mukundan, L.P. & Menon, M. & Akhilesh, K.V. & Zacharia, P.U. & Gopalakrishnan, A. (2020)
Molecular analyses reveal a lack of genetic structuring in the scalloped hammerhead shark, Sphyrna lewini (Griffith & Smith, 1834) along the Indian coast. Marine Biodiversity, 50(2), Article 18
DOI: 10.1007/s12526-020-01040-4

Purushottama, G.B. & Ramasubramanian, V. & Akhilesh, K.V. & Thakurdas, S.G.R. & Kizhakudan, S.J. & Zacharia, P.U. (2020)
Biological observations on the Bengal guitarfish Rhinobatos annandalei Norman, 1926 from the Eastern Arabian Sea, India. Indian Journal of Fisheries, 67(2), 23–34
DOI: 10.21077/ijf.2019.67.2.94482-04

Sen, S. & Kizhakudan, S.J. & Zacharia, P.U. & Dash, G. (2020)
Reproductive adaptation: a description of claspers of the Spadenose shark and Milk shark from Gujarat. Indian Journal of Geo–Marine Sciences, 49(7), 1238–1241

Purushottama, G.B. & Raje, S.G. & Thakurdas & Akhilesh, K.V. & Kizhakudan, S.J. & Zacharia, P.U. (2020)
Reproductive biology and diet composition of Rhynchobatus laevis (Bloch and Schneider, 1801) (Rhinopristiformes:Rhinidae) from the northern Indian Ocean. Indian Journal of Fisheries, 67(4), 13–23
DOI: 10.21077/ijf.2020.67.4.95636-02

Najmudeen, T.M. & Zacharia, P.U. & Seetha, P.K. & Sunil, K.T.S. & Radhakrishnan, M. & Akhildev, S. & Sipson, A. (2019)
Length-weight relationships of three species of pelagic sharks from southeastern Arabian Sea. Regional Studies in Marine Science, 29, Article 100647
DOI: 10.1016/j.rsma.2019.100647

Sen, S. & Chakraborty, S.K. & Vivekanandan, E. & Zacharia, P.U. & Kizhakudan, S.J. & Jaiswar, A.K. & Dash, G. & Jayshree, G. & Bharadiya, S.A. (2019)
Population dynamics and stock assessment of spadenose shark Scoliodon laticaudus Muller and Henle 1839 along Gujarat coast of India. Indian Journal of Geo Marine Sciences, 48(4), 423–433

Sen, S. & Chakraborty, S.K. & Vivekanandan, E. & Zacharia, P.U. & Jaiswar, A.K. & Dash, G. & Bharadiya, S.A. & Gohel, J.K. (2018)
Feeding habits of milk shark, Rhizoprionodon acutus (Ruppell, 1837) in the Gujarat coastal waters of north-eastern Arabian Sea. Regional Studies in Marine Science, 17, 78–86
DOI: 10.1016/j.rsma.2017.11.006

Ambily, M.N. & Zacharia, P.U. & Najmudeen, T.M. & Ambily, L. & Sunil, K.T.S. & Radhakrishnan, M. & Kishor, T.G. (2018)
First Record of African Angel Shark, Squatina africana (Chondricthyes: Squatinidae) in Indian Waters, Confirmed by DNA Barcoding. Journal of Ichthyology, 58(3), 312–317
DOI: 10.1134/S0032945218030013

Sen, S. & Chakraborty, S.K. & Elayaperumal, V. & Zacharia, P.U. & Jaiswar, A.K. & Dash, G. & Kizhakudan, S.J. & Bharadiya, S.A. & Gohel, J.K. (2018)
Reproductive strategy of milk shark, Rhizoprionodon acutus (Ruppell 1837), along north-eastern Arabian Sea. Ichthyological Research, 65(3), 324–333
DOI: 10.1007/s10228-018-0627-6

Kizhakudan, S.J. & Akhilesh, K.V. & Thomas, S. & Yousuf, K.S.S.M. & Sobhana, K.S. & Purushottama, G.B. & Menon, M. & Dash, S.S. & Manojkumar, P.P. & Nair, R.J. & Najmudeen, T.M. & Zacharia, P.U. (2018)
Field identification of batoids - a guide to Indian species. CMFRI Special Publication No.132, ISSN 0972-2351

Purushottama, G.B. & Dash, G. & Thakurdas & Akhilesh, K.V. & Kizhakudan, S.J. & Zacharia, P.U. (2017)
Population dynamics and stock assessment of grey sharpnose shark Rhizoprionodon oligolinx Springer, 1964 (Chondrichthyes: Carcharhinidae) from the north-west coast of India. Indian Journal of Fisheries, 64(3), 8–17
DOI: 10.21077/ijf.2017.64.3.67657-02

Sen, S. & Chakraborty, S.K. & Vivekanandan, E. & Zacharia, P.U. & Kizhakudan, S.J. & Jaiswar, A.K. & Dash, G. & Jayshree, G. (2017)
Population dynamics and stock assessment of milk shark, Rhizoprionodon acutus (Ruppell, 1837) along Gujarat coast of India. Indian Journal of Geo Marine Sciences, 46(5), 936–946

Purushottama, G.B. & Thakurdas & Ramasubramanian, V. & Dash, G. & Akhilesh, K.V. & Ramkumar, S. & Kizhakudan, S.J. & Singh, V.V. & Zacharia, P.U. (2017)
Reproductive biology and diet of the grey sharpnose shark Rhizoprionodon oligolinx Springer, 1964 (Chondrichthyes: Carcharhinidae) from the north-eastern Arabian Sea. Indian Journal of Fisheries, 64(4), 9–20
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Sathianandan, T.V. & Kuriakose, S. & Mini, K.G. & George, G. & Zacharia, P.U. (2016)
Trends in abundance of marine fishery resources in India examined through dynamic factor analysis. Indian Journal of Fisheries, 63(2), 19–23
DOI: 10.21077/ijf.2016.63.2.47463-03

Akhilesh, K.V. & White, W.T. & Bineesh, K.K. & Purushottama, G.B. & Singh, V.V. & Zacharia, P.U. (2016)
Redescription of the rare and endangered Broadfin Shark Lamiopsis temminckii (Müller & Henle, 1839) (Carcharhiniformes:Carcharhinidae) from the northeastern Arabian Sea. Zootaxa, 4175(2), 155–166
DOI: 10.11646/zootaxa.4175.2.4

Nair, R.J. & Zacharia, P.U. & Kumar, S.D. & Kishor, T.G. & Divya, N.D. & Seetha, P.K. & Sobhana, K.S. (2016)
Recent trends in the mobulid fishery in Indian waters. Indian Journal of Geo Marine Sciences, 44(9), 1265–1283

Kizhakudan, S.J. & Zacharia, P.U. & Thomas, S. & And Vivekanandan, E. & Muktha, M. (2015)
Guidance on National Plan of Action for Sharks in India. CMFRI Marine Fisheries Policy Series(2): 1–102

Dhaneesh, K.V. & Zacharia, P.U. (2013)
Shark Finning: Are Indian Waters Becoming a Graveyard for Sharks? Journal of Indian Ocean Studies, 21(3), 358–374

Manojkumar, P.P. & Zacharia, P.U. & Pavithran, P.P. (2012)
Fishery of elasmobranchs with some observations on the biology and stock assessment of Carcharhinus limbatus (P. Muller & Henle, 1839) exploited along Malabar coast. Indian Journal of Fisheries, 59(4), 35–41

Nair, R.J. & Zacharia, P.U. (2011)
Field Guide for the identification of major demersal fishes of India. CMFRI, Kochi

Zacharia, P.U. & Joshi, K.K. & Kandan, P. (2011)
First record of the pelagic stingray Pteroplatytrygon violacea (Boneparte, 1832) (Family: Dasyatidae) from the east coast of India. Indian Journal of Fisheries, 58(1), 95–98

Abdurahiman, K.P. & Nayak, T.H. & Zacharia, P.U. & Mohamed, K.S. (2010)
Trophic organisation and predator-prey interactions among commercially exploited demersal finfishes in the coastal waters of the southeastern Arabian Sea. Estuarine, Coastal and Shelf Science, 87(4), 601–610
DOI: 10.1016/j.ecss.2010.03.002

Raje, S.G. & Zacharia, P.U. (2009)
Investigations on fishery and biology of nine species of rays in Mumbai waters. Indian Journal of Fisheries, 56(2), 95–101