FB-8732 http://www.fishbase.org/summary/SpeciesSummary.php?id=8732 Animalia Chordata Elasmobranchii Rhinopristiformes Rhinobatidae Pseudobatos Pseudobatos horkelii (Müller & Henle, 1841) Cação-viola Raia-viola Viola Brasiliansk guitarfisk Brazilian guitarfish Brasiilia logardrai Guitarra Braziliaanse gitaarrog 霍氏犁头鳐 霍氏犁頭鰩 Rhinobatos horkeli Müller & Henle, 1841 Rhinobatos horkelii Müller & Henle, 1841 Rhinobatus horkelii Müller & Henle, 1841 1994-01-27 2019-08-08 Breder, C.M. and D.E. Rosen0 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205) Hureau, J.-C.0 La base de données GICIM: Gestion informatisée des collections ichthyologiques du Muséum. p. 225-227. In Atlas Préliminaire des Poissons d'Eau Douce de France. Conseil Supérieur de la Pêche, Ministère de l'Environnement, CEMAGREF et Muséum national d'Histoire naturelle, Paris. (Ref. 4517) Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. 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(Ref. 131153) FB-GeneralDescr-8732 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1994-01-27 00:00:00 2019-08-08 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=8732 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat Found from the coast line to the continental edge. Females mature at ca. 90 cm TL (Ref. 114953). Feeds on crustaceans, cephalopods, polychaetes and small fishes. Ovoviviparous (Ref. 50449). Produces litters of 4-12 pups (Ref. 114953). Compagno, L.J.V. 1999 Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766) FB-DiagnosticDescr-8732 http://purl.org/dc/dcmitype/Text text/html Arlene G. Sampang-Reyes 2001-02-06 00:00:00 2017-11-15 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ FAO General public http://www.fishbase.org/summary/SpeciesSummary.php?id=8732 Nostrils are longer, crown is flat transversely or even slightly convex, tubercles in median row are larger, thorn like, numerous. Origin of first dorsal is posterior to the tips of pelvic fins, equal to the base of first dorsal. Upper surface uniform olive gray or chocolate brown, without pale or dark markings. Snout with an oval sooty patch (Ref. 6902). Bigelow, H.B. and W.C. Schroeder 1953 Sawfishes, guitarfishes, skates and rays. p. 1-514. In J. Tee-Van et al. (eds.) Fishes of the western North Atlantic. Part two. New Haven, Sears Found. Mar. Res., Yale Univ. (Ref. 6902) FB-Distribution-8732 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1994-01-27 00:00:00 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ FAO General public http://www.fishbase.org/summary/SpeciesSummary.php?id=8732 Western South Atlantic: From Rio de Janeiro to Argentina. Bernardes, R.Á., J.L. de Figueiredo, A.R. Rodrigues, L.G. Fischer, C.M. Vooren, M. Haimovici and C.L.D.B. Rossi-Wongtschowski 2005 Peixes de zona econômica exclusiva da região sudeste-sul do Brasil: Levantamento com armadilhas, pargueiras e rede de arrasto de fundo. São Paulo: Editora da Universidade de São Paulo. 295 p. (Ref. 57911) FB-Uses-8732 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1994-01-27 00:00:00 2019-08-08 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=8732 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription fisheries: commercial Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott 1991 World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537) FB-Migration-8732 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1994-01-27 00:00:00 2019-08-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=8732 Oceanodromous. Migrating within oceans typically between spawning and different feeding areas, as tunas do. Migrations should be cyclical and predictable and cover more than 100 km. Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243) FB-LifeCycle-8732 http://purl.org/dc/dcmitype/Text text/html Susan M. Luna 1994-01-27 00:00:00 2019-08-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org//Reproduction/FishReproSummary.php?ID=8732&StockCode=9054 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Breder, C.M. and D.E. Rosen 1966 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205) FB-TrophicStrategy-8732 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 2007-02-12 00:00:00 2007-05-09 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public horkelii http://rs.tdwg.org/ontology/voc/SPMInfoItems#Uses Found from the coast line to the continental edge. Feeds on crustaceans, cephalopods, polychaetes and small fishes. Bernardes, R.Á., J.L. de Figueiredo, A.R. Rodrigues, L.G. Fischer, C.M. Vooren, M. Haimovici and C.L.D.B. Rossi-Wongtschowski 2005 Peixes de zona econômica exclusiva da região sudeste-sul do Brasil: Levantamento com armadilhas, pargueiras e rede de arrasto de fundo. São Paulo: Editora da Universidade de São Paulo. 295 p. (Ref. 57911) FB-Size-8732 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1994-01-27 00:00:00 2019-08-08 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=8732 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size 138 cm TL (male/unsexed; (Ref. 57911)) Bernardes, R.Á., J.L. de Figueiredo, A.R. Rodrigues, L.G. Fischer, C.M. Vooren, M. Haimovici and C.L.D.B. Rossi-Wongtschowski 2005 Peixes de zona econômica exclusiva da região sudeste-sul do Brasil: Levantamento com armadilhas, pargueiras e rede de arrasto de fundo. São Paulo: Editora da Universidade de São Paulo. 295 p. (Ref. 57911) FB-Threats-2 http://purl.org/dc/dcmitype/Text text/html Belen Acosta 1990-10-18 00:00:00 2024-03-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats Least Concern (LC) , IUCN Grouper and Wrasse Specialist Group IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. FB-Habitat-8732 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1994-01-27 00:00:00 2019-08-08 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=8732 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat demersal; oceanodromous (Ref. 51243); marine; depth range 1 - 150 m (Ref. 114953) Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243) Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor 2016 Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953)