Motta, F.S. & Rolim, F.A. & Athayde, A.C.S. & Gragnolati, M. & Munhoz, R.R. & Chelotti, L.D. & Andres, N. & Pereira, G.H. & Gadig, O.B.F. (2024)
Initial effects of the expansion and enforcement of a subtropical marine reserve on threatened shark species. Environmental Biology of Fishes, in press
DOI: 10.1007/s10641-024-01508-3
Gadig, O.B.F. & Santana, F.M. & Santander Neto, J. & Barreto, R.R.P. & Vianna, M. (2023)
Diversidade de Tubarões e Raias. Rio de Janeiro, FUNBIO, 2023, 66pp., ISBN 979-65-00-88561-3
Chelotti, L.D. & Gadig, O.B.F. (2023)
Comparative trophic ecology of two sympatric guitarfishes Pseudobatos (Chondrichthyes, Rhinobatidae) from Southeast Brazil, southwestern Atlantic. Journal of Fish Biology, in press
DOI: 10.1111/jfb.15257
Santos, P.R.S. & Klafke, K. & Gadig, O.B.F. & Garrone-Neto, D. (2023)
Retrieving records of a rare and threatened shark in a mosaic of marine-protected areas of southeastern Brazil. Journal of Fish Biology, in press
DOI: 10.1111/jfb.15357
Bucair, N. & Mendonca, S. & Araujo, C. & Rangel, B.S. & Gadig, O.B.F. (2022)
Records of bentfin devil ray, Mobula thurstoni, in a marine protected area in Brazilian Equatorial Atlantic: implications for the species' distribution and local conservation strategies. Environmental Biology of Fishes, 105(5), 653–661
DOI: 10.1007/s10641-022-01266-0
Santos, P.R.S. & Balanin, S. & Gadig, O.B.F. & Garrone-Neto, D. (2022)
The historical and contemporary knowledge on the elasmobranchs of Cananeia and adjacent waters, a coastal marine hotspot of southeastern Brazil. Regional Studies in Marine Science, 51, Article 102224
DOI: 10.1016/j.rsma.2022.102224
Poscai, A.N. & da Silva, J.P.C.B. & Casas, A.L.S. & Lenktaitis, P. & Gadig, O.B.F. (2022)
Morphological study of the oral denticles of the porbeagle shark Lamna nasus. Journal of Fish Biology, 101(1), 226–235
DOI: 10.1111/jfb.15102
Rolim, F.A. & Langlois, T. & Motta, F.D. & de Castro, G.M. & Lester, E. & Abieri, M.L. & Gadig, O.B.F. & de Moura, R.L. (2022)
Habitat and Marine Reserve Status Drive Reef Fish Biomass and Functional Diversity in the Largest South Atlantic Coral Reef System (Abrolhos, Brazil). Frontiers in Marine Science, 9, Article 701244
DOI: 10.3389/fmars.2022.701244
Colbachini, H. & Pizzutto, C.S. & Mesquita, L.M.D. & Gadig, O.B.F. (2021)
Environmental enrichment effects on the reproductive behavior of captive nurse sharks Ginglymostoma cirratum. Environmental Biology of Fishes, 104(4), 471–488
DOI: 10.1007/s10641-021-01087-7
Poscai, A.N. & Casas, A.L.S. & da Silva, J.P.C.B. & Lenktaitis, P. & Gadig, O.B.F. (2021)
Inside the mouth of sharks: Comparative data on the morphology of the oropharyngeal cavity. Zoologischer Anzeiger, 293, 282–291
DOI: 10.1016/j.jcz.2021.07.004
Anderson, A.B. & Fiuza, T.M.J. & Araujo, G.S. & Canterle, A.M. & Canto, L.M.C. & Freitas, R.H.A. & Gadig, O.B.F. & Floeter, S.R. (2021)
A safe haven for potential reproductive aggregations of the critically endangered Brazilian guitarfish (Pseudobatos horkelii). Journal of Fish Biology, 99(6), 2030–2034
DOI: 10.1111/jfb.14880
Pimentel, C.R. & Andrades, R. & Ferreira, C.E.L. & Gadig, O.B.F. & Harvey, E.S. & Joyeux, J.C. & Giarrizzo, T. (2020)
BRUVS reveal locally extinct shark and the way for shark monitoring in Brazilian oceanic islands. Journal of Fish Biology, 96(2), 539–542
DOI: 10.1111/jfb.14228
Pinhal, D. & Domingues, R.R. & Bruels, C.C. & Ferrette, B.L.S. & Gadig, O.B.F. & Shivji, M.S. & Martins, C. (2020)
Restricted connectivity and population genetic fragility in a globally endangered Hammerhead Shark. Reviews in Fish Biology and Fisheries, 30(4), 501–517
DOI: 10.1007/s11160-020-09607-x
Caltabellotta, F.P. & Siders, Z.A. & Cailliet, G.M. & Motta, F.S. & Gadig, O.B.F. (2020)
Preliminary age and growth of the deep-water goblin shark Mitsukurina owstoni (Jordan, 1898). Marine and Freshwater Research, 72(3), 432–438
DOI: 10.1071/MF19370
Corsso, J.T. & Gadig, O.B.F. & Caltabellotta, F.P. & Barreto, R. & Motta, F.S. (2020)
Age and growth of two sharpnose shark species (Rhizoprionodon lalandii and R. porosus) in subtropical waters of the south-western Atlantic. Marine and Freshwater Research, 72(3), 398–410
DOI: 10.1071/MF19379
Colbachini, H. & Pizzutto, C.S. & Jorge-Neto, P.N. & Gutierrez, R.C. & Gadig, O.B.F. (2020)
Body movement as an indicator of proceptive behavior in nurse sharks (Ginglymostoma cirratum). Environmental Biology of Fishes, 103(10), 1257–1263
DOI: 10.1007/s10641-020-01018-y
Martins, M.F. & Costa, P.G. & Gadig, O.B.F. & Bianchini, A. (2020)
Metal contamination in threatened elasmobranchs from an impacted urban coast. Science of the Total Environment, 757, Article 143803
DOI: 10.1016/j.scitotenv.2020.143803
Domingues, R.R. & Garrone-Neto, D. & Hilsdorf, A.W.S. & Gadig, O.B.F. (2019)
Use of mucus as a non-invasive sampling method for DNA barcoding of stingrays and skates (batoid elasmobranchs). Journal of Fish Biology, 94(3), 512–516
DOI: 10.1111/jfb.13919
Domingues, R.R. & Bruels, C.C. & Gadig, O.B.F. & Chapman, D.D. & Hilsdorf, A.W.S. & Shivji, M.S. (2019)
Genetic connectivity and phylogeography of the night shark (Carcharhinus signatus) in the western Atlantic Ocean: Implications for conservation management. Aquatic Conservation, Marine and Freshwater Ecosystems, 29(1), 102–114
DOI: 10.1002/aqc.2961
Martins, M.F. & Gadig, O.B.F. (2019)
Reproductive biology of the Brazilian blind electric ray Benthobatis kreffti (Chondrichthyes: Narcinidae). Neotropical Ichthyology, 17(1), Article e180093
DOI: 10.1590/1982-0224-20180093
Soares, K.D.A. & de Carvalho, M.R. & Schwingel, P.R. & Gadig, O.B.F. (2019)
A New Species of Parmaturus (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from Brazil, Southwestern Atlantic. Copeia, 107(2), 314–322
DOI: 10.1643/CI-18-152
Caltabellotta, F.P. & Siders, Z.A. & Murie, D.J. & Motta, F.S. & Cailliet, G.M. & Gadig, O.B.F. (2019)
Age and growth of three endemic threatened guitarfishes Pseudobatos horkelii, P. percellens and Zapteryx brevirostris in the western South Atlantic Ocean. Journal of Fish Biology, 95(5), 1236–1248
DOI: 10.1111/jfb.14123
Bornatowski, H. & Loose, R. & Sampaio, C.L.S. & Gadig, O.B.F. & Carvalho, A. & Domingues, R.R. (2018)
Human introduction or natural dispersion? Atlantic Ocean occurrence of the Indo-Pacific whitetip reef shark Triaenodon obesus. Journal of Fish Biology, 92(2), 537–542
DOI: 10.1111/jfb.13528
Domingues, R.R. & Hilsdorf, A.W.S. & Shivji, M.M. & Hazin, F.V.H. & Gadig, O.B.F. (2018)
Effects of the Pleistocene on the mitochondrial population genetic structure and demographic history of the silky shark (Carcharhinus falciformis) in the western Atlantic Ocean. Reviews in Fish Biology and Fisheries, 28(1), 213–227
Martins, M.F. & Pasquino, A.F. & Gadig, O.B.F. (2018)
Reproductive biology of the Brazilian guitarfish, Pseudobatos horkelii (Müller & Henle, 1841) from southeastern Brazil, western South Atlantic. Journal of Applied Ichthyology, 34(3), 646–652
DOI: 10.1111/jai.13652
Domingues, R.R. & Hilsdorf, A.W.S. & Gadig, O.B.F. (2018)
The importance of considering genetic diversity in shark and ray conservation policies. Conservation Genetics, 19(3), 501–525
DOI: 10.1007/s10592-017-1038-3
Corsso, J.T. & Gadig, O.B.F. & Barreto, R.R.P. & Motta, F.S. (2018)
Condition analysis of the Brazilian sharpnose shark Rhizoprionodon lalandii: evidence of maternal investment for initial post-natal life. Journal of Fish Biology, 93(6), 1038–1045
DOI: 10.1111/jfb.13780
Caltabellotta, F.P. & Silva, F.M. & Motta, F.S. & Gadig, O.B.F. (2018)
Age and growth of the threatened endemic skate Rioraja agassizii (Chondrichthyes, Arhynchobatidae) in the western South Atlantic. Marine and Freshwater Research, 70(1), 84–92
DOI: 10.1071/MF18010
Garla, R.C. & Gadig, O.B.F. & Garrone-Neto, D. (2017)
Movement and activity patterns of the nurse shark, Ginglymostoma cirratum, in an oceanic Marine Protected Area of the South-western Atlantic. Journal of the Marine Biological Association of the United Kingdom, 97(8), 1565–1572
DOI: 10.1017/S0025315416001028
Garla, R.C. & Gadig, O.B.F. & Garcia, J. & Veras, L.B. & Garrone-Neto, D. (2017)
Hunting tactics of the lemon shark, Negaprion brevirostris, in shallow waters of an oceanic insular area in the western equatorial Atlantic. Neotropical Ichthyology, 15(1), Article e160119
DOI: 10.1590/1982-0224-20160119
Pasquino, A.F. & Martins, M.F. & Gadig, O.B.F. (2016)
Length–weight relationship of Rhinobatos horkelii Müller & Henle, 1841 and Zapteryx brevirostris (Müller & Henle, 1841) off Brazil, southwestern Atlantic Ocean. Journal of Applied Ichthyology, 32(6), 1282–1283
DOI: 10.1111/jai.13171
Barreiros, J.P. & Gadig, O.B.F. & Haddad, V. (2015)
In Reply to Shark Attacks and Shark Divin. Wilderness & Environmental Medicine, 26(2), 277–278
DOI: 10.1016/j.wem.2014.11.018
Garla, R.C. & Garrone-Neto, D. & Gadig, O.B.F. (2015)
Defensive strategies of neonate nurse sharks, Ginglymostoma cirratum, in an oceanic archipelago of the Western Central Atlantic. Acta Ethologica, 18(2), 167–171
DOI: 10.1007/s10211-014-0200-x
Bini, I.R. & Dos Santos, C.M.H. & Gadig, O.B.F. (2015)
Anatomical Description of Scapulocoracoid and Gill Arches of Benthobatis kreffti. Universitas Scientiarum, 20(3), 305–312
DOI: 10.11144/Javeriana.SC20-3.adsg
Rada, D.P. & Burgess, G.H. & Rosa, R.S. & Gadig, O.B.F. (2015)
Necrophagy of a nurse shark (Ginglymostoma cirratum) by tiger sharks (Galeocerdo cuvier). Universitas Scientiarum, 20(3), 313–320
DOI: 10.11144/Javeriana.SC20-3.noan
Motta, F.S. & Caltabellotta, F.P. & Namora, R.C. & Gadig, O.B.F. (2014)
Length-weight relationships of sharks caught by artisanal fisheries from southeastern Brazil. Journal of Applied Ichthyology, 30(1), 239–240
DOI: 10.1111/jai.12234
Barreiros, J.P. & Gadig, O.B.F. & Haddad, V. (2014)
An unprovoked attack by a blue shark Prionace glauca (Chondrichthyes, Carcharhinidae) on a spear fisherman in Terceira Island, Azores, NE Atlantic. Wilderness & Environmental Medicine, 25(3), 371–372
DOI: 10.1016/j.wem.2014.03.014
Domingues, R.R. & Hazin, F.H.V. & Lana, F.O. & Gadig, O.B.F. & Hilsdorf, A.W.S. (2014)
Genetic diversity and population structure of the silky shark, Carcharhinus falciformis in Southwest Atlantic Ocean. Poster Abstract. In Programm and Poster Abstracts of Shark International, Durban 2014: 17
Gadig, O.B.F. & Barreiro, J.P. (2014)
Sharks, rays, and chimaeras of the Azorean Archipelago, Eastern North Atlantic. Poster Abstract. In Programm and Poster Abstracts of Shark International, Durban 2014: 22
Gadig, O.B.F. & Rosa, R.S. (2014)
Diversity and conservation of the Brazilian marine Chondricthyes: an overview. Poster Abstract. In Programm and Poster Abstracts of Shark International, Durban 2014: 23
Gadig, O.B.F. & Garrone Neto, D. (2014)
Notes on the feeding behaviour and swimming pattern of Manta alfredi (Chondrichthyes, Mobulidae) in the Red Sea. Acta Ethologica, 17(2), 119–122
DOI: 10.1007/s10211-013-0165-1
Garrone-Neto, D. & Gadig, O.B.F. & Zuanon, J. & Carvalho, L.N. (2014)
Cleaning interactions between shrimps (Palaemonidae) and freshwater stingrays (Potamotrygonidae) in the Paraná River, Southeastern Brazil. Ichthyological Exploration of Freshwaters, 24(4), 379–384
Garrone-Neto, D. & Haddad, V. & Gadig, O.B.F. (2014)
Record of ascending passage of potamotrygonid stingrays through navigation locks: implications for the management of non-native species in the Upper Paraná River basin, Southeastern Brazil. Management of Biological Invasions, 5(2), 113–119
DOI: 10.3391/mbi.2014.5.2.04
Caltabellotta, F.P. & Márquez-Farias, F. & Murie, J. & Motta, F.S. & Gadig, O.B.F. (2014)
Demographic analysis of the Rhinobatidae species in the southeastern of Brazil: a contribution for management plans [Abstract]. In Libro de resúmenes IV Encuentro colombiano sobre condrictios(2014 – Medellín): 54
Bini, I.R. & Dos Santos, C.M.H. & Gadig, O.B.F. (2014)
Descrição anatômica do escapulocoracóide e arcos branquiais de Benthobatis kreffti (Chondrichthyes, Narcinidae) [Abstract]. In Libro de resúmenes IV Encuentro colombiano sobre condrictios(2014 – Medellín): 90
Pasquino, A.F. & Goitein, R. & Gadig, O.B.F. (2014)
Sobreposição de nichos tróficos de Zapteryx brevirostris e Rioraja agassizi (Chondrichthyes, Elasmobranchii) na costa de São Paulo, Brasil [Abstract]. In Libro de resúmenes IV Encuentro colombiano sobre condrictios(2014 – Medellín): 97
Pasquino, A.F. & Gadig, O.B.F. (2014)
Estrutura populacional de Zapteryx brevirostris (Muller & Henle, 1841) (Chondrichthyes, Rhinobatidae) na costa de São Paulo, Brasil [Abstract]. In Libro de resúmenes IV Encuentro colombiano sobre condrictios(2014 – Medellín): 98
Rosa, R.S. & Gadig, O.B.F. (2014)
Conhecimento da diversidade dos Chondrichthyes marinhos no Brasil: a contribuição de José Lima de Figueiredo. Arquivos de Zoologia, 45, 89–104
Hirata Dos Santos, C.M. & Gadig, O.B.F. (2014)
Abnormal embryos of sharpnose sharks, Rhizoprionodon porosus and Rhizoprionodon lalandii (Elasmobranchii: Carcharhinidae), from Brazilian coast, western South Atlantic. Marine Biodiversity Records, 7, Article e55
DOI: 10.1017/s1755267214000554
Rocha, F. & Gadig, O.B.F. (2013)
Reproductive biology of the guitarfish Rhinobatos percellens (Chondrichthyes, Rhinobatidae) from the São Paulo Coast, Brazil, western South Atlantic Ocean. Journal of Fish Biology, 82(1), 306–317
DOI: 10.1111/j.1095-8649.2012.03493.x
Garrone Neto, D. & Dos Santos, R.S. & Maracini, P. & Caltabellotta, F.P. & Gadig, O.B.F. (2013)
Strandings of the Shortfin Mako and the Pelagic Stingray on the Coast of Sao Paulo State, Southeastern Brazil: Report of Cases. Boletim do Instituto de Pesca, 39(2), 187–194
Mendonça, F.F. & Oliveira, C. & Gadig, O.B.F. & Foresti, F. (2013)
Diversity and genetic population structure of the Brazilian sharpnose shark Rhizoprionodon lalandii. Aquatic Conservation, Marine and Freshwater Ecosystems, 23(6), 850–857
DOI: 10.1002/aqc.2342
Mendonça, F.F. & Ussami, L.H.F. & Hashimoto, D.T. & Pereira, L.H.G. & Porto-Foresti, F. & Oliveira, C. & Gadig, O.B.F. & Foresti, F. (2012)
Identification and characterization of polymorphic microsatellite loci in the blue shark Prionace glauca, and cross-amplification in other shark species. Journal of Fish Biology, 80(7), 2643–2646
DOI: 10.1111/j.1095-8649.2012.03291.x
Rincon, G. & Vaske-Júnior, T. & Gadig, O.B.F. (2012)
Record of the goblin shark Mitsukurina owstoni (Chondrichthyes: Lamniformes: Mitsukurinidae) from the south-western Atlantic. Marine Biodiversity Records, 5, Article e44
DOI: 10.1017/S1755267211000923
Pinhal, D. & Shivji, M.S. & Vallinoto, M. & Chapman, D.D. & Gadig, O.B.F. & Martins, C. (2012)
Cryptic hammerhead shark lineage occurrence in the western South Atlantic revealed by DNA analysis. Marine Biology, 159(4), 829–836
DOI: 10.1007/s00227-011-1858-5
Barreiros, J.P. & Gadig, O.B.F. (2011)
Catálogo Ilustrado dos Tubarões e Raias dos Açores - Sharks and Rays from the Azores an illustrated catalogue. IAC–Instituto Açoriano de Cultura, ISBN 978–989–8225–24–5
Marion, C. & Vaske-Júnior, T. & Gadig, O.B.F. & Martins, I.A. (2011)
Feeding habits of the shortnose guitarfish, Zapteryx brevirostris (Müller and Henle, 1841) (Elasmobranchii, Rhinobatidae) in southeastern Brazil. Brazilian Journal of Biology, 71(1), 83–89
DOI: 10.1590/S1519-69842011000100013
Wunderlich, A.C. & Gadig, O.B.F. & Vaske-Júnior, T. & Pinheiro, M.A.A. (2011)
Annelida, Hirudinida, Stibarobdella moorei (Oka, 1910): New distribution and host records. Check List, 7(3), 360–362
Pasquino, A.F. & Vaske-Júnior, T. & Gadig, O.B.F. & Barreiros, J.P. (2011)
Notes on the feeding habits of the skate Rioraja agassizi (Chondrichthyes, Rajidae) off southeastern Brazil. Cybium, 35(2), 105–109
Mendonça, F.F. & Oliveira, C. & Gadig, O.B.F. & Foresti, F. (2011)
Phylogeography and genetic population structure of Caribbean sharpnose shark Rhizoprionodon porosus. Reviews in Fish Biology and Fisheries, 21(4), 799–814
DOI: 10.1007/s11160-011-9210-1
Mendonça, F.F. & Oliveira, C. & Burgess, G. & Coelho, R. & Piercy, A. & Gadig, O.B.F. & Foresti, F. (2011)
Species delimitation in sharpnose sharks (genus Rhizoprionodon) in the western Atlantic Ocean using mitochondrial DNA. Conservation Genetics, 12(1), 193–200
DOI: 10.1007/s10592-010-0132-6
Gomes, U.L. & Signori, C.N. & Gadig, O.B.F. & Santos, H.R.S. (2010)
Guia de Identificação de Tubarões e Raias do do Rio de Janeiro. RJ, Brazil: Technical Books Editora. 234 p.
Mendonça, F.F. & Hashimoto, D.T. & De-Franco, B. & Porto-Foresti, F. & Gadig, O.B.F. & Oliveira, C. & Foresti, F. (2010)
Genetic identification of lamniform and carcharhiniform sharks using multiplex-PCR. Conservation Genetics Resources, 2(1), 31–35
DOI: 10.1007/s12686-009-9131-7
Mendonça, F.F. & Oliveira, C. & Gadig, O.B.F. & Foresti, F. (2009)
Populations analysis of the Brazilian Sharpnose Shark Rhizoprionodon lalandii (Chondrichthyes: Carcharhinidae) on the São Paulo coast, Southern Brazil: inferences from mt DNA sequences. Neotropical Ichthyology, 7(2), 213–216
Faria, V.V. & Venâncio, I.M. & Basilio, T.H. & Silveira, L.M. & Jucá-Queiroz, B. & Gadig, O.B.F. & Furtado-Neto, M.A.A. (2009)
Captura incidental de um tubarão-baleia, Rhincodon typus (Orectolobiformes, Rhincodontidae), na costa do Ceará, Nordeste do Brasil. Pan-American Journal of Aquatic Sciences, 4(4), 599–604
Pinhal, D. & Gadig, O.B.F. & Martins, C. (2009)
Genetic identification of the sharks Rhizoprionodon porosus and R. lalandii by PCR-RFLP and nucleotide sequence analyses of 5S rDNA. Conservation Genetics Resources, 1(1), 35–38
DOI: 10.1007/s12686-009-9008-9
Mariguela, T.C. & De-Franco, B. & Almeida, T.V.V. & Mendonça, F.F. & Gadig, O.B.F. & Foresti, F. & Oliveira, C. (2009)
Identification of guitarfish species Rhinobatos percellens, R. horkelii, and Zapteryx brevirostris (Chondrichthyes) using mitochondrial genes and RFLP technique. Conservation Genetics Resources, 1(1), 393–396
DOI: 10.1007/s12686-009-9091-y
Pinhal, D. & Araki, C.S. & Gadig, O.B.F. & Martins, C. (2009)
Molecular organization of 5S rDNA in sharks of the genus Rhizoprionodon: insights into the evolutionary dynamics of 5S rDNA in vertebrate genomes. Genetical Research, 91(1), 61–72
DOI: 10.1017/S0016672308009993
Rosa, M.R. & Gadig, O.B.F. (2009)
Taxonomic comments and an identification key to species for the Smooth-hound sharks genus Mustelus Link, 1790 (Chondrichthyes: Triakidae) from the Western South Atlantic. Pan-American Journal of Aquatic Sciences, 5(3), 401–413
Vaske-Júnior, T. & Lessa, R.P. & Gadig, O.B.F. (2009)
Feeding habits of the blue shark (Prionace glauca) off the coast of Brazil. Biota Neotropica, 9(3), 55–60
Mendonça, F.F. & Hashimoto, D.T. & Porto-Foresti, F. & Oliveira, C. & Gadig, O.B.F. & Foresti, F. (2009)
Identification of the shark species Rhizoprionodon lalandii and R. porosus (Elasmobranchii, Carcharhinidae) by multiplex PCR and PCR-RFLP techniques. Molecular Ecology Resources, 9(3), 771–773
DOI: 10.1111/j.1755-0998.2009.02524.x
de Oliveira Santos, M.C. & Gadig, O.B.F. (2009)
Evidence of a failed predation attempt on a Guiana dolphin, sotalia guianensis, by a bull shark, Carcharhinus leucas, in Brazilian waters. (Evidência de uma tentativa mal-sucedida de predação pelo tubarão-cabeça-chata, Charcharinus leucas, sobre o boto tucuxi, Sotalia guianensis, em águas brasileiras). Arquivos de Ciências do Mar, 43(1), 1–6
Namora, R.C. & Dos Santos Motta, F. & Gadig, O.B.F. (2009)
Caracterização da pesca artesanal da Praia dos Pescadores, município de Itanhaém, costa centro-sul do Estado de São Paulo. [] Arquivos de Ciências do Mar, 42(2), 60–67
Rocha, F. & Oddone, M.C. & Gadig, O.B.F. (2008)
Egg capsules of the little skate, Psammobatis extenta (Garman, 1913) (Chondrichthyes, Rajidae). Brazilian Journal of Oceanography, 58(3), 251–254
DOI: 10.1590/S1679-87592010000300008
Pinhal, D. & Gadig, O.B.F. & Wasko, A.P. & Oliveira, C. & Ron, E. & Foresti, F. & Martins, C. (2008)
Discrimination of Shark Species by Simple PCR of 5S rDNA Repeats. Genetics and Molecular Biology, 31, 1(suppl), 361–365
DOI: 10.1590/S1415-47572008000200033
Motta, F.S. & Namora, R.C. & Gadig, O.B.F. & Braga, F.M.S. (2007)
Reproductive biology of the Brazilian sharpnose shark (Rhizoprionodon lalandii) from southeastern Brazil. ICES Journal of Marine Science, 64(9), 1829–1835
DOI: 10.1093/icesjms/fsm159
Gomes, U.L. & Signori, C.N. & Gadig, O.B.F. (2006)
Report on the smallfin catshark Apristurus parvipinnis Springer & Heemstra (Chondrichthyes, Scyliorhinidae) in Western South Atlantic with notes on its taxonomy. Pan-American Journal of Aquatic Sciences, 1(2), 99–103
Gomes, U.L. & Peters, G.O. & de Carvalho, M.R. & Gadig, O.B.F. (2006)
Anatomical investigation of the slender catshark Schroederichthys tenuis Springer, 1966, with notes on intrageneric relationships (Chondrichthyes: Carcharhiniformes: Scyliorhinidae). Zootaxa, 1119, 29–58
Gadig, O.B.F. & Juliano, M.F. & Barreiros, J.P. (2006)
Further notes on the capture of a Carcharhinus leucas in a northeastern Atlantic oceanic insular shelf, the Azores Archipelago, Portugal. Cybium, 30(4, Supplement), 31–33
de Carvalho, M.R. & Gomes, U.L. & Gadig, O.B.F. (2005)
Description of a new species of skate of the genus Malacoraja Stehmann, 1970: the first species from the southwestern Atlantic Ocean, with notes on generic monophyly and composition (Chondrichthyes: Rajidae). Neotropical Ichthyology, 3(2), 239–258
DOI: 10.1590/S1679-62252005000200002
Motta, F.S. & Gadig, O.B.F. & Namora, R.C. & Braga, F.M.S. (2005)
Size and sex compositions, length-weight relationship, and occurrence of the Brazilian sharpnose shark, Rhizoprionodon lalandii, caught by artisanal fishery from southeastern Brazil. Fisheries Research, 74(1–3), 116–126
DOI: 10.1016/j.fishres.2005.03.010
Haddad, V. & Gadig, O.B.F. (2005)
The spiny dogfish ('cacao-bagre'): description of an envenoming in a fisherman, with taxonomic and toxinologic comments on the Squalus gender. Toxicon, 46(1), 108–110
DOI: 10.1016/j.toxicon.2005.03.002
Haddad, V. & Gadig, O.B.F. (2005)
The spiny dogfish (Squalus cubensis/megalops group): The envenoming of a fisherman, with taxonomic and toxinological comments on the Squalus genus. Toxicon, 46(7), 828–830
DOI: 10.1016/j.toxicon.2005.03.026
Shibuya, A. & Rosa, R.S. & Gadig, O.B.F. (2005)
Stomach contents of Galeocerdo cuvier and Carcharhinus plumbeus (Elasmobranchii: Carcharhinidae) caught off Paraíba State, Brazil. Arquivos de Ciências do Mar, 38, 105–107
Rosa, R.S. & Gadig, O.B.F. & Santos Motta, F. & Namora, R.C. (2004)
Rhizoprionodon lalandii IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Gadig, O.B.F. & Namora, R.C. & Dos Santos Motta, F. (2003)
The roughtail stingray Dasyatis centroura (Pisces: Dasyatidae) and spiny butterfly ray Gymnura altavela (Pisces: Gymnuridae) from the southern Adriatic. Journal of the Marine Biological Association of the United Kingdom, 83(4), 871–872
DOI: 10.1017/S0025315403007926h
Gadig, O.B.F. & Gomes, U.L. (2003)
Catálogo das espécies de peixes marinhos do Brasil. Museu de Zoologia da Universidade de São Paulo, 2003, 160pp
Gadig, O.B.F. & Sazima, I. (2003)
A non-fatal attack by the tiger shark, Galeocerdo cuvieri, on the northeast coast Brazil (Chondrichthyes: Carcharhinidae) (Um ataque não fatal de tubarão-tintureira, Galeocerdo cuvieri, na costa Nordeste do Brasil (Chondrichthyes:Carcharhinidae)). Arquivos de Ciências do Mar, 36, 119–122
Gadig, O.B.F. & Gomes, U.L. (2002)
First report on embryos of Isistius brasiliensis. Journal of Fish Biology, 60(5), 1322–1325
DOI: 10.1111/j.1095-8649.2002.tb01723.x
Sazima, I. & Gadig, O.B.F. & Namora, R.C. & Motta, F.S. (2002)
Plastic debris collars on juvenile carcharhinid sharks (Rhizoprionodon lalandii) in southwest Atlantic. Marine Pollution Bulletin, 44(10), 1149–1151
DOI: 10.1016/S0025-326X(02)00141-8
Gadig, O.B.F. & Sampaio, C.L.S. (2002)
Ocorrência de Mobula japanica no atlântico ocidental e Mobula tarapacana em águas Brasileiras com comentários sobre a diversidade de raias-manta (Chondrichthyes:Mobulidae) no brasil. Arquivos de Ciências do Mar, 35, 33–37
Gadig, O.B.F. & Motta, F.S. & Namora, R.C. (2002)
Projeto Cação - A Study on small coastal sharks in São Paulo, Southeast Brasil. In Proceedings of International Conference on Sustained Management of Coastal Ecosystems, Porto, Portugal: 239–246
Gadig, O.B.F. & Namor, R.C. & Dos Santos Motta, F. (2001)
Data on juveniles of the common thresher shark, Alopias vulpinus (Bonnaterre, 1788) (Chondrichthyes:Alopiidae), with comments on the distribution of family Alopiidae in Brazil (Dados sobre jovens do tubarão-raposa, Alopias vulpinus (Bonnaterre, 1788) (Chondrichthyes: Alopiidae), com comentários sobre a distribuição da família Alopiidae no Brasil). Arquivos de Ciências do Mar, 34, 77–82
Gadig, O.B.F. (2001)
Tubarões da costa Brasileira [The sharks of the Brazilian coast]. Ph.D. dissertation, Universidade Estadual Paulista Ju´ lio de Mesquita Filho, Instituto de Biociências, 343 pp.
Gomes, U.L. & Rosa, R.S. & Gadig, O.B.F. (2000)
Dasyatis macrophthalma sp. n.: a new species of stingray (Chondrichthyes: Dasyatidae) from the southwestern Atlantic. Copeia, 2000(2), 510–515
Rosa, R.S. & Gadig, O.B.F. & Gomes, U.L. (2000)
Dasyatis marianae: the correct name for a recently described stingray (Chondrichthyes: Dasyatidae) from the southwestern Atlantic. Copeia, 2000(3), 889–890
Gadig, O.B.F. & Bezerra, M.A. & Feitosa, R.D. & Furtado-Neto, M.A.A. (2000)
Marine fishes from Ceará State, Brazil: I - Elasmobranchii (Ictiofauna marinha do Estado do Ceará, Brasil: I. Elasmobranchii). Arquivos de Ciências do Mar, 33, 127–132
Lessa, R.P. & Santana, F.M. & Rincón, G. & Gadig, O.B.F. & El-Deir, A.C.A. (1999)
Biodiversidade de elasmobranquios do Brasil. Ministério do Meio Ambiente(MMA), Projeto de Conservacao e Utilizacao Sustentavel da Diversidade Biologica Brasileira(PROBIO), Recife 1999
Gadig, O.B.F. & Medina, A. & Bezerra, M.A. & Furtado-Neto, M.A.A. (1999)
Dados sobre Squatina dumeril (Chondrichthyes, Squatinidae) no Brasil, com comentàrios taxonômicos do gênero Squatina em àguas Brasileiras. Arquivos de Ciências do Mar, 32, 133–136
Gadig, O.B.F. (1998)
Peixes cartilaginosos da costa do estado de São Paulo. Revista Ceciliana, 8(9): 41–51
Gadig, O.B.F. & Rosa, R.S. (1996)
Occurrence of the White Shark along the Brazilian Coast. In A.P. Klimley & D. Ainley, (Eds.), Great White Sharks. The biology of Carcharodon carcharias (pp. 347–350). Academic Press.
Gadig, O.B.F. & Bezerra, M.A. & Furtado-Neto, M.A.A. (1996)
Novos registros e dados biológicos do tubaráo-gato, Schroederichthys tenuis Springer, 1966 (Chondrichthyes, Scyliorhinidae) para a costa norte do Brasil. Revista Nordestina de Biologia, 11(1): 51–55
Gadig, O.B.F. & Bezerra, M.A. & Furtado-Neto, M.A.A. (1996)
Nota sobre a biologia do tubarão Carcharhinus perezi (Poey, 1861) (Chondrichthyes, Carcharhinidae) do Norte-Nordeste do Brasil. Revista Nordestina de Biologia, 11(1): 31–36
Rosa, R.S. & Gomes, U.L. & Gadig, O.B.F. (1996)
Um caso de teratogenia na raia de água doce Potamotrygon motoro (Natterer in Müller & Henle, 1841) (Chondrichthyes: Potamotrygonidae). Revista Nordestina de Biologia, 11 82): 125–132
Gadig, O.B.F. (1996)
Summarized data on the Squaliformes sharks from Brazil [Abstract]. American Elasmobranch Society 12th Annual Meeting, June 13–19,1996 New Orleans, Louisiana, U.S.A.
Gadig, O.B.F. (1996)
Distribution and diversity of the Brazilian shark fauna [Abstract]. American Elasmobranch Society 12th Annual Meeting, June 13–19,1996 New Orleans, Louisiana, U.S.A.
Gadig, O.B.F. & Moreira, W. (1992)
Tubaróes da Costa Brasileira. Leopoldianum, 18(52), 111–119
Bezerra, M.A. & Neto, M.A.A.F. & Gadig, O.B.F. (1990)
Nota sobre alguns tubarões da Costa Norte e Nordeste do Brasil. [Note about some sharks from north coast of brazil and northeast.] Anales del Sociedad Nordest de Zoologia, 3, 301–314
Neto, M.A.A.F. & Bezerra, M.A. & Gadig, O.B.F. (1989)
Tubaroes da costa do Amapá (Chondrichthyes, Elasmobranchii) [Abstract]. Ciência e Cultura, 41(7), suppl., 798