Pan-American Journal of Aquatic Sciences Electronic peer-review scientific journal Special Issue: Biology, Ecology and Fisheries of Chondrichthyan Fishes (Sharks, Rays and Chimaeras) Volume 4, Number 4 - December 2009 http://www.panamjas.org PAN-AMERICAN JOURNAL OF AQUATIC SCIENCES - PANAMJAS Executive Editor: Maria Cristina Oddone Scientific Editors: Gonzalo Velasco, Ana Cecília Giacometti Mai, Pablo Muniz, Ronaldo Angelini, Danilo Calliari, Samantha Eslava G. Martins and Bernardo Vaz. Invited Scientific Editors for this Volume: Francisco Concha Toro, Luis O. Lucifora and Verónica García Honorary members: Jorge P. Castello, Omar Defeo, and Kirk Winemiller. PanamJAS is a non-profit Journal supported by researchers from several scientific institutions. PanamJAS is currently indexed in Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Aquatic Sciences and Fisheries Abstracts (ASFA) Directory of Open Access Journals (DOAJ) Online Access to Research in the Environment (OARE) IndexCopernicus International Thomson BiologyBrowser database Electronic Resources from Smithsonian Institution Libraries Divulgador Científico Ensenadense Sistema de Bibliotecas SISBI-UFU PAN-AMERICAN JOURNAL OF AQUATIC SCIENCES 2006, 1-2 2009, 4 (4) Quarterly Journal ISSN 1809-9009 (On Line Version) CDU 570 Cover photo of this issue: Captive leucistic freshwater stingray Potamotrygon leopoldi from breeders in The Netherlands. More details at: www.freshwaterstingray.nl. Picture taken by Patricia Charvet-Almeida. Pan-American Journal of Aquatic Sciences Research articles Inventory of elasmobranch species caught in the Lagoon of Bizerte (North-eastern Tunisia, central Mediterranean). EL KAMEL, O., MNASRI, N., BEN SOUISSI, J., BOUMAÏZA, M., BEN AMOR, M. M. & CAPAPÉ, C. ... 383 Espectro trófico de la raya eléctrica Narcine bancroftii (Griffith & Smith 1834) (Elasmobranchii, Narcinidae) en playa Salguero, Santa Marta, Caribe Colombiano. MORENO, F., ACEVEDO, K., GRIJALBA-BENDECK, M., POLO-SILVA, C. & ACERO P. ...................... 413 Distribuição e abundância de Narcine brasiliensis (Olfers, 1931) (Elasmobranchii, Narcinidae) no litoral norte do Estado de Santa Catarina, Brasil. MARTINS, R. R. M., ASSUNÇÃO, R. & SCHWINGEL, P. R. ................................................................ 423 Trophic ecomorphology of Potamotrygon falkneri and Potamotrygon motoro (Chondrichthyes - Potamotrygonidae) on the upper Paraná river floodplain, Brazil. LONARDONI, A. P., OLIVEIRA, E. F. & GOULART, E. ...................................................................... 436 Hábitos alimentares da raia Atlantoraja platana (Günther, 1880) (Elasmobranchii, Rajidae) no litoral norte de Santa Catarina, Brasil. SCHWINGEL, P. R. & ASSUNÇÃO, R. ….............................................................................................446 Fishery and morphometric relationships of the banded guitarfish, Zapteryx exasperata (Elasmobranchii, Rhinobatidae), from the Gulf of California, Mexico. BLANCO-PARRA, M. P., MÁRQUEZ-FARÍAS, F. & GALVÁN-MAGAÑA, F. ………………………….456 Analysis of stomach contents of freshwater stingrays (Elasmobranchii, Potamotrygonidae) from the middle Negro River, Amazonas, Brazil. SHIBUYA, A., ARAÚJO, M. L. G. & ZUANON, J. A. S. ……………………………………………...466 Estimativas de mortalidade e tabelas de vida do tubarão-azul, Prionace glauca (Carcharhinidae), no sul do Brasil e águas internacionais adjacentes. MONTEALEGRE-QUIJANO, S. & VOOREN, C. M. …………………………………………………...476 Distribution and size of the shortfin mako (Isurus oxyrinchus) in the Mexican Pacific Ocean. VÉLEZ-MARÍN, R. & MÁRQUEZ-FARÍAS, F. …………………………………….…………………490 Fishery biology of the Caribbean reef sharks, Carcharhinus perezi (Poey, 1876), in a Caribbean insular platform: Los Roques Archipelago National Park, Venezuela. TAVARES, R. .....................................................................................................................................500 The seasonal importance of small coastal sharks and rays in the artisanal elasmobranch fishery of Sinaloa, Mexico. Bizzarro, J. J., Smith, W. D., Castillo-Géniz, J. L., Ocampo-Torres, A., Márquez- FARÍAS, F. & HUETER, R. E. ……………………………………………………………………….513 Pan-American Journal of Aquatic Sciences (2009) 4(4): 383-612 Age and growth of the Brazilian sharpnose shark, Rhizoprionodon lalandii and Caribbean sharpnose shark, R. porosus (Elasmobranchii, Carcharhinidae) on the northern coast of Brazil (Maranhão). LESSA, R. P., SANTANA, F. M. & ALMEIDA, Z. S. .............................................................................532 Preservación no criogénica de tejido y extracción de ADN: una aplicación para peces cartilaginosos. HLEAP, J. S. L., CÁRDENAZ, H. & GARCÍA-VALLEJO, F. …………………………………………..545 Descripción de la dieta de los tiburones zorro (Alopias pelagicus) y (Alopias superciliosus) durante la época lluviosa en aguas ecuatorianas. POLO-SILVA, C., RENDÓN, L. & GALVÁN-MAGAÑA, F. ...................................................................556 Polychromatism in the thornback ray, Raja clavata (Chondrichthyes: Rajidae) off northern Tunisian coast (central Mediterranean). MNASRI, N., BOUMAÏZA, M., BEN AMOR, M. M. & CAPAPÉ, C. .......................................................572 Scientific Notes Oviposition rate of the fanskate Sympterygia bonapartii (Elasmobranchii, Rajidae) (Müller & Henle, 1841) held in captivity. JAÑEZ, J. A. & SUEIRO, M. C. ...........................................................................................................580 New record of Chimaera cubana Howell-Rivero (Chondrichthyes: Holocephali: Chimaeridae) from the western Caribbean Sea. CALDAS A., J. P., DIDIER, D. A., SANTOS-MARTÍNEZ, A. & ACERO P., A. ………………………...583 Absence of metazoan gill parasites on Potamotrygon falkneri (Potamotrygonidae) and its ecological implications in the upper Paraná River floodplain, Brazil. ALVARENGA, F. M. S., LACERDA, A. C. F., TAKEMOTO, R. M. & PAVANELLI, G. C. .......................589 Notas sobre a biologia reprodutiva e alimentar de elasmobrânquios no Parque Estadual Marinho Parcel Manoel Luís, Maranhão – Brasil. MOTTA, F. S., MOURA, R. L., FRANCINI-FILHO, R. B. & NAMORA, R. C. .........................................593 Captura incidental de um tubarão-baleia, Rhincodon typus (Orectolobiformes, Rhincodontidae), na costa do Ceará, Nordeste do Brasil. FARIA, V. V., VENÂNCIO, I. M., BASILIO, T. H., SILVEIRA, L. M., JUCÁ-QUEIROZ, B., GADIG, O. B. F. & FURTADO-NETO, M. A. A. ............................................................................................................599 First reported occurrence of pregnant and neonato, Rhinoptera brasiliensis (Chondrichthyes, Rhinopteridae) caught off Guaruja city, São Paulo state, Brazil. DOMINGUES, R. R., GONZALEZ, M. M. B. & AMORIM, A. F. ............................................................605 Observations on a rare shark, Oxynotus centrina (Chondrichthyes: Oxynotidae), in the Sea of Marmara (north-western Turkey). KABASAKAL, H. ................................................................................................................................609 Pan-American Journal of Aquatic Sciences (2009) 4(4): 383-612 Inventory of elasmobranch species caught in the Lagoon of Bizerte (North-eastern Tunisia, central Mediterranean) 1 1 2 1 OLFA EL KAMEL , NÉJIA MNASRI , JAMILA BEN SOUISSI , MONCEF BOUMAÏZA , 3 4 MOHAMED MOURAD BEN AMOR & CHRISTIAN CAPAPÉ . 1Laboratoire d'Hydrobiologie Littorale et Limnique, Université du 07 novembre à Carthage, Faculté des Sciences, Zarzouna, 7021 Bizerte, Tunisia 2Département des Ressources Animales, Halieutiques et des Technologies Agroalimentaires, Institut National Agronomique de Tunisie, 43 avenue Charles Nicolle, cité Mahrajène, 1082 Tunis, Tunisia 3Institut National des Sciences et Technologies de la Mer, port de pêche, 2060 La Goulette, Tunisia. 4Laboratoire d’Ichtyologie, case 104, Université Montpellier II, Sciences et Techniques du Languedoc, 34 095 Montpellier cedex 5, France. Email: [email protected] Abstract. Eight elasmobranch species were reported for the Lagoon of Bizerte, north-eastern Tunisia, central Mediterranean. These species were: Torpedo marmorata, Torpedo torpedo, Dasyatis chrysonota, Dasyatis pastinaca, Dasyatis tortonesei, Gymnura altavela, Myliobatis aquila and Pteromylaeus bovinus. General and local distribution of these eight species are discussed and commented while morphological and biological data are provided. Of the eight species reported, only one could represent a locally established population, the common torpedo Torpedo torpedo, as it was constant inhabitant of this brackish, even acomplishing developement and reporducing there. Two of the three dasyatid species occurring in the Lagoon of Bizerte, could be considered as relatively abundant, Dasyatis chrysonota and D. pastinaca, the third D. tortonesei being rare. Their occurrence could be related with the mussels abundance in the Lagoon of Bizerte, as well as oysters and several gastropod species which constitute their main food. Similar observations could also explain the presence of Gymnura altavela, Myliobatis aquila and Pteromylaeus bovinus in the area in question, which were, by contrast, rather rare. Key words. Morphology and meristics, size-mass relationship, reproduction, migration, diet Resumen. Inventario de especies de elasmobranquios capturadas en la Laguna de Bizerte (Noreste de Túnez, Mediterráneo Central). Ocho especies de elasmobranquios fueron reportadas para la Laguna de Bizerte, noreste