Results 31 to 40 of about 863 (191)
First record of albinism in the swell shark, Cephaloscyllium ventriosum (Elasmobranchii: Carcharhiniformes: Scyliorhinidae) [PDF]
Acta Ichthyologica et Piscatoria, 2017 We report the first record of albinism in the swell shark, Cephaloscyllium ventriosum (Garman, 1880). The specimen was caught off the southern part of the Baja California Peninsula, Mexico. The shark had no skin pigmentation and golden-coloured eyes. The
E.E. Becerril-García +3 more
doaj +3 more sources
Escamas de tubarões (Pisces: Chondrichthyes) da Formação Pirabas (Eomioceno), Pará, Brasil
Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2008 A falta de posicionamento estratigráfico dos fósseis de tubarões até então coletados na Formação Pirabas dificultou a utilização dos mesmos em interpretações paleoecológicas e distribuição temporal.
Samantha Florinda Cecim Carvalho de Oliveira +2 more
doaj +1 more source
Latin American Journal of Aquatic Research, 2015 Se reporta el albinismo parcial de un embrión macho de tiburón de puntas negras, Carcharhinus limbatus, capturado en aguas costeras mexicanas del Pacífico oriental.
Francisco Sancho-Vazquez +2 more
doaj +1 more source
Phylogenetic relationship of catshark species of the genus Scyliorhinus (Chondrichthyes, Carcharhiniformes, Scyliorhinidae) based on comparative morphology [PDF]
Zoosystematics and Evolution, 2020 The genus Scyliorhinus is part of the family Scyliorhinidae, the most diverse family of sharks and of the subfamily Scyliorhininae along with Cephaloscyllium and Poroderma.
Karla D. A. Soares +1 more
doaj +3 more sources
Molecular Phylogenetics and Evolution, 2006 We present a study of inter- and intra-familial relationships of the carcharhiniform shark family Triakidae aimed at testing existing hypotheses of relationships for this group and at improving understanding of the evolution of reproductive traits in elasmobranchs.
Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA ( host institution ) +4 more
openaire +3 more sources
Neogene Caribbean elasmobranchs: diversity, paleoecology and paleoenvironmental significance of the Cocinetas Basin assemblage (Guajira Peninsula, Colombia) [PDF]
Biogeosciences, 2019 The Cocinetas Basin is located on the eastern flank of the Guajira Peninsula, northern Colombia (southern Caribbean). During the late Oligocene through the Pliocene, much of the basin was submerged.
J. D. Carrillo-Briceño +6 more
doaj +1 more source
Drivers and rates of stock assessments in the United States. [PDF]
PLoS ONE, 2018 Fisheries management is most effective when based on scientific estimates of sustainable fishing rates. While some simple approaches allow estimation of harvest limits, more data-intensive stock assessments are generally required to evaluate the stock's ...
Philipp Neubauer +4 more
doaj +1 more source
Frontiers in Marine Science, 2023 IntroductionThe current Isogomphodon oxyrhynchus (Daggernose Shark) population status Q7points to 99% losses in the last decade due to certain biological traits, site fidelity, and historical high representativeness as bycatch in artisanal fisheries ...
Natascha Wosnick +5 more
doaj +1 more source
Al-Kauniyah Jurnal Biologi, 2014 The study aimed to determine the types of sharks are caught, sold and conservation status in the fish auction place (TPI) Labuan Bajo, West Manggarai, Flores, East Nusa Tenggara have been conducted in February and March 2014 in Labuan Bajo.
Ismail Syakurachman Alaydrus +2 more
doaj +1 more source
Shark and ray diversity in the Tropical America (Neotropics)—an examination of environmental and historical factors affecting diversity [PDF]
PeerJ, 2018 We present the first comprehensive review of the present and past shark and ray diversity in marine waters of Tropical America, examining the patterns of distribution in the Eastern Central Pacific (EP) and Western Central Atlantic (WA) realms.
Jorge Domingo Carrillo-Briceño +3 more
doaj +2 more sources